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Cases using the HZDR Baseline model set

baseline/1998_Liu


	Reference for experiment: Liu, 3rd Int Conf Multiph Flow (ICMF), Vol. 98, 8-12
	Reference for case setup:
	
		Rzehak et al., Nucl Eng Des, 2021, Vol. 374, 111079
		Kriebitzsch and Rzehak, Fluids, 2016, Vol. 1, 29
	
	


baseline/2005_Lucas_et_al


	Reference for experiment: Lucas et al., Int J Multiph Flow, 2005, Vol. 31, 1304-1328
	Reference for case setup: Lehnigk et al., AlChE J (submitted)


baseline/2008_Shawkat


	Reference for experiment: Shawkat et al., Int J Multiph Flow, 2008, Vol. 34, 767-785
	Reference for case setup: Kriebitzsch and Rzehak, Fluids, 2016, Vol. 1, 29


baseline/2009_Hosokawa


	Reference for experiment: Hosokawa and Tomiyama, Chem Eng Science, 2009, Vol. 64, 5308-5318
	Reference for case setup: Rzehak et al., Nucl Eng Des, 2021, Vol. 374, 111079


baseline/2013_Hosokawa_and_Tomiyama


	Reference for experiment: Hosokawa and Tomiyama, Int J Heat Fluid Flow, 2013, Vol. 40, 97-105
	Reference for case setup:
	
		Kriebitzsch and Rzehak, Fluids, 2016, Vol. 1, 29
		Liao et al., Comp Fluids, 2020, Vol. 202, 104496
	
	


baseline/2016_Kim_et_al


	Reference for experiment: Kim et al., Exp Fluids, 2016, Vol. 57, 1432-1114
	Reference for case setup: Liao et al., Comp Fluids, 2020, Vol. 202, 104496


Cases using the hybrid modelling approach

hybrid/wenka/2D-MP3-23


	Reference for experiment: Stäbler, Ph.D. thesis, 2007
	Reference for case setup: Tekavčič et al., Nucl Eng Des, 2021, Vol. 379, 111223


hybrid/risingBubbleHysingEtAl2009


	References for case setup:
	
		Hysing et al., Int J Numer Meth Fluids, 2009, Vol. 60, 1259-1288
		Meller et al., Int J Numer Meth Fluids, 2021, Vol. 93, 748–773
		Meller et al., Flow Turbul Combust (submitted)
	
	


hybrid/risingBubbleBalcazarEtAl2015


	Reference for experiment: Bhaga and Weber, J Fluid Mech, 1981, Vol. 105, 61-85
	Reference for direct numerical simulation: Balcázar et al., Int J Heat Fluid Flow, 2015, Vol. 56, 91-107
	References for case setup: Meller et al., Int J Numer Meth Fluids, 2021, Vol. 93, 748–773


hybrid/risingBubbleMellerEtAl2021


	Reference for case setup: Meller et al., Flow Turbul Combust (submitted)


Miscellaneous cases

misc/multiphase/HZDRmultiphaseEulerFoam/1991_Akhtar_et_al


	Reference for experiment: Akhtar et al., AIChE J, 1991, Vol. 37, 1561–1570
	Reference for case setup: Lehnigk et al., AlChE J (submitted)
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          <dc:subject>Baseline model</dc:subject>
          <dc:subject>Multi-field two-fluid model</dc:subject>
          <dc:subject>Eulerian-Eulerian model</dc:subject>
          <dc:subject>Free Surface</dc:subject>
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          <dc:subject>Multiphase Flow</dc:subject>
          <dc:subject>Numerical Simulations</dc:subject>
          <dc:subject>OpenFOAM</dc:subject>
          <dc:subject>CFD</dc:subject>
          <dc:subject>Baseline model</dc:subject>
          <dc:subject>Multi-field two-fluid model</dc:subject>
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          <dc:subject>Multiphase Flow</dc:subject>
          <dc:subject>Numerical Simulations</dc:subject>
          <dc:subject>OpenFOAM</dc:subject>
          <dc:subject>Computational Fluid Dynamics</dc:subject>
          <dc:subject>Baseline model</dc:subject>
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          <dc:subject>Python</dc:subject>
          <dc:subject>Gnuplot</dc:subject>
          <dc:subject>C++</dc:subject>
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          <dc:description>This repository contains simulation setups for the Multiphase Code Repository by HZDR for OpenFOAM Foundation Software. The simulation setups are separated into mono- and polydisperse bubbly flows utilising the Baseline model by HZDR set, setups for a morphology-adaptive multifield two-fluid model (disperse and resolved interfaces) and miscellaneous cases.Acknowledgement: OpenFOAM(R) is a registered trade mark of OpenCFD Limited, producer and distributor of the OpenFOAM(R) software via www.openfoam.com. The Multiphase Cases Repository by HZDR for OpenFOAM Foundation Software is not compatible with the software released by OpenCFD Limited, but is based on the software released by the OpenFOAM Foundation via www.openfoam.org</dc:description>
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          <dc:subject>Numerical Simulations</dc:subject>
          <dc:subject>OpenFOAM</dc:subject>
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          <dc:subject>Baseline model</dc:subject>
          <dc:subject>Multi-field two-fluid model</dc:subject>
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        <datestamp>2025-12-19T07:35:41Z</datestamp>
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          <dc:creator>Tekavčič, Matej</dc:creator>
          <dc:date>2022-03-23</dc:date>
          <dc:description>The HZDR Multiphase Addon is a software publication released by Helmholtz-Zentrum Dresden-Rossendorf according to the FAIR principles (Findability, Accessibility, Interoperability, and Reuseability). It contains experimental research work for the open-source CFD software OpenFOAM, released by The OpenFOAM Foundation. The developments are dedicated to the numerical simulation of multiphase flows, in particular to the multi-field two-fluid model (Euler-Euler method). Within the OpenFOAM library the multiphaseEulerFoam framework is used for this type of simulation. The addon contains a modified solver named HZDRmultiphaseEulerFoam with the full support of the HZDR baseline model set for polydisperse bubbly flows. In addition a solver dedicated to a hybrid modelling approach (dispersed and resolved interfaces, Meller, Schlegel and Lucas, 2021) named cipsaMultiphaseEulerFoam is provided with the addon. This solver has an interface to the multiphaseEulerFoam framework and utilizes all available interfacial models of it.

General enhancements


	modified turbulent wall functions of Menter according to Rzehak and Kriebitzsch (2015)
	dynamic time step adjustment via PID controller


HZDRmultiphaseEulerFoam


	bubble induced turbulence model of Ma et al. (2017)
	drag model of Ishii and Zuber (1979) without correction for swarm and/or viscous effects
	wall lubrication model of Hosokawa et al. (2002)
	additional breakup and coalescence models for class method according to Kusters (1991) and Adachi et al. (1994)
	degassing boundary condition (fvModel)
	lift force correlation of Hessenkemper et al. (2021)
	lift force correlation of Saffman (1965) as extended by Mei (1992).
	aspect ratio correlation of Ziegenhein and Lucas (2017)
	real pressure treatment via explicit turbulent normal stress according to Rzehak et al. (2021)
	GPU-based accelerated computation of coalescence and breakup frequencies for the models of Lehr et al. (2002) (Petelin et al., 2021)
	configuration files and tutorials for easy setup of baseline cases according to Hänsch et al. (2021)


cipsaMultiphaseEulerFoam


	morphology adaptive modelling framework for predicting dispersed and resolved interfaces based on Eulerian multi-field two-fluid model
	compact momentum interpolation method according to Cubero et al. (2014), including virtual mass
	numerical drag according to Strubelj and Tiselj (2011) to describe resolved interfaces in a volume-of-fluid like manner
	n-phase partial elimination algorithm for momentum equations to resolve strong phase coupling (Meller, Schlegel and Lucas, 2021)
	free surface turbulence damping (Frederix et al., 2018) for k-ω SST - symmetric and asymmetric - according to Tekavčič et al. (2021)
	sub-grid scale modelling framework (Meller, Schlegel and Klein, 2021)
	
		additional LES models for the unclosed convective sub-grid scale term
		closure models for sub-grid surface tension term
	
	
	configuration files and tutorials for easy setup of hybrid cases
</dc:description>
          <dc:description>This work was supported by the Helmholtz European Partnering Program in the project "Crossing borders and scales (Crossing)"</dc:description>
          <dc:identifier>https://rodare.hzdr.de/record/1496</dc:identifier>
          <dc:identifier>10.14278/rodare.1496</dc:identifier>
          <dc:identifier>oai:rodare.hzdr.de:1496</dc:identifier>
          <dc:language>eng</dc:language>
          <dc:relation>url:https://www.hzdr.de/publications/Publ-32194</dc:relation>
          <dc:relation>url:https://www.hzdr.de/publications/Publ-32356</dc:relation>
          <dc:relation>url:https://www.hzdr.de/publications/Publ-32323</dc:relation>
          <dc:relation>url:https://www.hzdr.de/publications/Publ-32161</dc:relation>
          <dc:relation>doi:10.14278/rodare.767</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/energy</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/fwd</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/hzdr</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/openfoam</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/rodare</dc:relation>
          <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
          <dc:rights>https://opensource.org/licenses/GPL-3.0</dc:rights>
          <dc:subject>Multiphase Flow</dc:subject>
          <dc:subject>Numerical Simulations</dc:subject>
          <dc:subject>OpenFOAM</dc:subject>
          <dc:subject>CFD</dc:subject>
          <dc:subject>Finite volume method</dc:subject>
          <dc:subject>Baseline model</dc:subject>
          <dc:subject>Multi-field two-fluid model</dc:subject>
          <dc:subject>Eulerian-Eulerian model</dc:subject>
          <dc:subject>Momentum interpolation</dc:subject>
          <dc:subject>Partial elimination algorithm</dc:subject>
          <dc:subject>Free Surface</dc:subject>
          <dc:title>HZDR Multiphase Addon for OpenFOAM</dc:title>
          <dc:type>info:eu-repo/semantics/other</dc:type>
          <dc:type>software</dc:type>
        </oai_dc:dc>
      </metadata>
    </record>
    <record>
      <header>
        <identifier>oai:rodare.hzdr.de:4192</identifier>
        <datestamp>2025-12-16T13:21:14Z</datestamp>
        <setSpec>software</setSpec>
        <setSpec>user-energy</setSpec>
        <setSpec>user-fwd</setSpec>
        <setSpec>user-hzdr</setSpec>
        <setSpec>user-openfoam</setSpec>
        <setSpec>user-rodare</setSpec>
      </header>
      <metadata>
        <oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
          <dc:contributor>Couteau, Arthur</dc:contributor>
          <dc:contributor>Kriebitzsch, Sebastian</dc:contributor>
          <dc:contributor>Kumaresh, Pramodh</dc:contributor>
          <dc:contributor>Mohite, Onkar</dc:contributor>
          <dc:contributor>Simroth, Patrick</dc:contributor>
          <dc:contributor>Upadhyay, Kartik</dc:contributor>
          <dc:creator>Hänsch, Susann</dc:creator>
          <dc:creator>Draw, Mazen</dc:creator>
          <dc:creator>Evdokimov, Ilya</dc:creator>
          <dc:creator>Kamble, Vikrant Vinayak</dc:creator>
          <dc:creator>Khan, Haris</dc:creator>
          <dc:creator>Krull, Benjamin</dc:creator>
          <dc:creator>Lehnigk, Ronald</dc:creator>
          <dc:creator>Li, Shiwang</dc:creator>
          <dc:creator>Liao, Yixiang</dc:creator>
          <dc:creator>Lyu, Hongmei</dc:creator>
          <dc:creator>Meller, Richard</dc:creator>
          <dc:creator>Papagni, Romina Mirdiona</dc:creator>
          <dc:creator>Riviera, Elena</dc:creator>
          <dc:creator>Schlegel, Fabian</dc:creator>
          <dc:creator>Tekavčič, Matej</dc:creator>
          <dc:date>2025-12-16</dc:date>
          <dc:description>This repository contains simulation setups for the Multiphase Code Repository by HZDR for OpenFOAM Foundation Software. The simulation setups are separated into mono- and polydisperse bubbly flows utilising the Baseline model by HZDR set, setups for a morphology-adaptive multifield two-fluid model (disperse and resolved interfaces) and miscellaneous cases.Acknowledgement: OpenFOAM(R) is a registered trade mark of OpenCFD Limited, producer and distributor of the OpenFOAM(R) software via www.openfoam.com. The Multiphase Cases Repository by HZDR for OpenFOAM Foundation Software is not compatible with the software released by OpenCFD Limited, but is based on the software released by the OpenFOAM Foundation via www.openfoam.org</dc:description>
          <dc:identifier>https://rodare.hzdr.de/record/4192</dc:identifier>
          <dc:identifier>10.14278/rodare.4192</dc:identifier>
          <dc:identifier>oai:rodare.hzdr.de:4192</dc:identifier>
          <dc:language>eng</dc:language>
          <dc:relation>doi:10.1002/aic.17539</dc:relation>
          <dc:relation>doi:10.1007/s10494-021-00293-8</dc:relation>
          <dc:relation>doi:10.1016/j.ces.2021.116807</dc:relation>
          <dc:relation>url:https://www.hzdr.de/publications/Publ-32364</dc:relation>
          <dc:relation>url:https://www.hzdr.de/publications/Publ-32161</dc:relation>
          <dc:relation>url:https://www.hzdr.de/publications/Publ-32323</dc:relation>
          <dc:relation>url:https://www.hzdr.de/publications/Publ-32356</dc:relation>
          <dc:relation>url:https://www.hzdr.de/publications/Publ-35412</dc:relation>
          <dc:relation>doi:10.14278/rodare.811</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/energy</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/fwd</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/hzdr</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/openfoam</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/rodare</dc:relation>
          <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
          <dc:rights>https://creativecommons.org/licenses/by/4.0/legalcode</dc:rights>
          <dc:subject>Multiphase Flow</dc:subject>
          <dc:subject>Numerical Simulations</dc:subject>
          <dc:subject>OpenFOAM</dc:subject>
          <dc:subject>Computational Fluid Dynamics</dc:subject>
          <dc:subject>Baseline model</dc:subject>
          <dc:subject>Multi-field two-fluid model</dc:subject>
          <dc:subject>Partial elimination algorithm</dc:subject>
          <dc:subject>Free Surface</dc:subject>
          <dc:subject>Euler-Euler Method</dc:subject>
          <dc:subject>Shell</dc:subject>
          <dc:subject>Python</dc:subject>
          <dc:subject>Gnuplot</dc:subject>
          <dc:subject>C++</dc:subject>
          <dc:title>Multiphase Cases Repository by HZDR for OpenFOAM Foundation Software</dc:title>
          <dc:type>info:eu-repo/semantics/other</dc:type>
          <dc:type>software</dc:type>
        </oai_dc:dc>
      </metadata>
    </record>
    <record>
      <header>
        <identifier>oai:rodare.hzdr.de:1133</identifier>
        <datestamp>2025-12-19T07:35:41Z</datestamp>
        <setSpec>software</setSpec>
        <setSpec>user-openfoam</setSpec>
        <setSpec>user-fwd</setSpec>
        <setSpec>user-hzdr</setSpec>
        <setSpec>user-energy</setSpec>
        <setSpec>user-rodare</setSpec>
      </header>
      <metadata>
        <oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
          <dc:contributor>Couteau, Arthur</dc:contributor>
          <dc:contributor>Colombo, Marco</dc:contributor>
          <dc:contributor>Kriebitzsch, Sebastian</dc:contributor>
          <dc:contributor>Parekh, Jigar</dc:contributor>
          <dc:creator>Schlegel, Fabian</dc:creator>
          <dc:creator>Draw, Mazen</dc:creator>
          <dc:creator>Evdokimov, Ilya</dc:creator>
          <dc:creator>Hänsch, Susann</dc:creator>
          <dc:creator>Khan, Harris</dc:creator>
          <dc:creator>Lehnigk, Ronald</dc:creator>
          <dc:creator>Li, Jiadong</dc:creator>
          <dc:creator>Lyu, Hongmei</dc:creator>
          <dc:creator>Meller, Richard</dc:creator>
          <dc:creator>Petelin, Gašper</dc:creator>
          <dc:creator>Tekavčič, Matej</dc:creator>
          <dc:date>2021-08-23</dc:date>
          <dc:description>The HZDR multiphase addon contains additional code for the open-source CFD software OpenFOAM, released by The OpenFOAM Foundation. The developments are dedicated to the numerical simulation of multiphase flows, in particular to the multi-field two-fluid model (Euler-Euler method). Within the OpenFOAM library the multiphaseEulerFoam framework is used for this type of simulation. The addon contains a modified multiphaseEulerFoam named HZDRmultiphaseEulerFoam with the full support of the HZDR baseline model set for polydisperse bubbly flows according to Liao et al. (Chem Eng Sci, 2019, Vol. 202, 55-69). In addition a solver dedicated to a hybrid modelling approach (dispersed and resolved interfaces, Meller et al., Int J Numer Meth Fluids. 2021, Vol. 93, 748-773) named cipsaMultiphaseEulerFoam is provided with the addon. This solver has an interface to the multiphaseEulerFoam framework and utilizes all available interfacial models of it.

General enhancements


	modified turbulent wall functions of Menter according to Rzehak and Kriebitzsch (Int J Multiphase Flow, 2015, Vol. 68, 135-152)
	dynamic time step adjustment via PID controller


HZDRmultiphaseEulerFoam


	bubble induced turbulence model of Ma et al. (Phys Rev Fluids, 2017, Vol. 2, 034301)
	drag model of Ishii and Zuber (AIChE Journal, 1979, Vol. 25, 843-855) without correction for swarm and/or viscous effects
	wall lubrication of Hosokawa et al. (ASME Joint US-European Fluids Engineering Division Conference, 2002)
	additional breakup and coalescence models for class method according to Liao et al. (Chem Eng Sci, 2015, Vol. 122, 336-349)
	degassing boundary condition (fvModel)
	lift force correlation of Hessenkemper et al. (Int J Multiphase Flow, 2021, Vol. 138, 103587)
	aspect ratio correlation of Ziegenhein and Lucas (Exp. Therm. Fluid Sci., 2017, Vol. 85, 248–256)
	real pressure treatment via explicit turbulent normal stress according to Rzehak et al. (Nucl Eng Des., 2021, Vol. 374, 111079)
	configuration files and tutorials for easy setup of baseline cases
	GPU-based accelerated computation of coalescence and breakup frequencies for the models of Lehr et al., AIChE J, 2002, Vol. 48, 2426-2443 (Petelin et al., NENE2021 conf., submitted)


cipsaMultiphaseEulerFoam


	morphology adaptive modelling framework for predicting dispersed and resolved interfaces based on Eulerian multi-field two-fluid model
	compact momentum interpolation method according to Cubero et al. (Comput Chem Eng, 2014, Vol. 62, 96-107), including virtual mass
	numerical drag according to Strubelj and Tiselj (Int J Numer Methods Eng, 2011, Vol. 85, 575-590) to describe resolved interfaces in a volume-of-fluid like manner
	n-phase partial elimination algorithm for momentum equations to resolve strong phase coupling (Meller et al., Int J Numer Meth Fluids. 2021, Vol. 93, 748-773)
	free surface turbulence damping for k-ω SST (symmetric and asymmetric damping, Frederix et al.,  Nucl Eng Des, 2018, Vol. 333, 122-130)
	sub-grid scale modelling framework:
	
		additional LES models for the unclosed convective sub-grid scale term
		closure models for sub-grid surface tension term
	
	
	configuration files and tutorials for easy setup of hybrid cases
</dc:description>
          <dc:description>This work was supported by the Helmholtz European Partnering Program in the project "Crossing borders and scales (Crossing)"</dc:description>
          <dc:identifier>https://rodare.hzdr.de/record/1133</dc:identifier>
          <dc:identifier>10.14278/rodare.1133</dc:identifier>
          <dc:identifier>oai:rodare.hzdr.de:1133</dc:identifier>
          <dc:language>eng</dc:language>
          <dc:relation>url:https://www.hzdr.de/publications/Publ-32194</dc:relation>
          <dc:relation>doi:10.14278/rodare.767</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/energy</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/fwd</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/hzdr</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/openfoam</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/rodare</dc:relation>
          <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
          <dc:rights>https://opensource.org/licenses/GPL-3.0</dc:rights>
          <dc:subject>Multiphase Flow</dc:subject>
          <dc:subject>Numerical Simulations</dc:subject>
          <dc:subject>OpenFOAM</dc:subject>
          <dc:subject>CFD</dc:subject>
          <dc:subject>Finite volume method</dc:subject>
          <dc:subject>Baseline model</dc:subject>
          <dc:subject>Multi-field two-fluid model</dc:subject>
          <dc:subject>Eulerian-Eulerian model</dc:subject>
          <dc:subject>Momentum interpolation</dc:subject>
          <dc:subject>Partial elimination algorithm</dc:subject>
          <dc:subject>Free Surface</dc:subject>
          <dc:title>HZDR Multiphase Addon for OpenFOAM</dc:title>
          <dc:type>info:eu-repo/semantics/other</dc:type>
          <dc:type>software</dc:type>
        </oai_dc:dc>
      </metadata>
    </record>
    <record>
      <header>
        <identifier>oai:rodare.hzdr.de:1742</identifier>
        <datestamp>2025-12-19T07:35:42Z</datestamp>
        <setSpec>software</setSpec>
        <setSpec>user-openfoam</setSpec>
        <setSpec>user-fwd</setSpec>
        <setSpec>user-hzdr</setSpec>
        <setSpec>user-energy</setSpec>
        <setSpec>user-rodare</setSpec>
      </header>
      <metadata>
        <oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
          <dc:contributor>Couteau, Arthur</dc:contributor>
          <dc:contributor>Colombo, Marco</dc:contributor>
          <dc:contributor>Kriebitzsch, Sebastian</dc:contributor>
          <dc:contributor>Parekh, Jigar</dc:contributor>
          <dc:contributor>Zhang, Tingting</dc:contributor>
          <dc:creator>Schlegel, Fabian</dc:creator>
          <dc:creator>Bilde, Kasper Gram</dc:creator>
          <dc:creator>Draw, Mazen</dc:creator>
          <dc:creator>Evdokimov, Ilya</dc:creator>
          <dc:creator>Hänsch, Susann</dc:creator>
          <dc:creator>Kamble, Vikrant Vinayak</dc:creator>
          <dc:creator>Khan, Harris</dc:creator>
          <dc:creator>Krull, Benjamin</dc:creator>
          <dc:creator>Lehnigk, Ronald</dc:creator>
          <dc:creator>Li, Jiadong</dc:creator>
          <dc:creator>Lyu, Hongmei</dc:creator>
          <dc:creator>Meller, Richard</dc:creator>
          <dc:creator>Petelin, Gašper</dc:creator>
          <dc:creator>Tekavčič, Matej</dc:creator>
          <dc:date>2022-06-21</dc:date>
          <dc:description>The HZDR Multiphase Addon is a software publication released by Helmholtz-Zentrum Dresden-Rossendorf according to the FAIR principles (Findability, Accessibility, Interoperability, and Reuseability). It contains experimental research work for the open-source CFD software OpenFOAM, released by The OpenFOAM Foundation. The developments are dedicated to the numerical simulation of multiphase flows, in particular to the multi-field two-fluid model (Euler-Euler method). Within the OpenFOAM library the multiphaseEulerFoam framework is used for this type of simulation. The addon contains a modified solver named HZDRmultiphaseEulerFoam with the full support of the HZDR baseline model set for polydisperse bubbly flows. In addition a solver dedicated to a hybrid modelling approach (dispersed and resolved interfaces, Meller, Schlegel and Lucas, 2021) named cipsaMultiphaseEulerFoam is provided with the addon. This solver has an interface to the multiphaseEulerFoam framework and utilizes all available interfacial models of it.

General enhancements


	modified turbulent wall functions of Menter according to Rzehak and Kriebitzsch (2015)
	dynamic time step adjustment via PID controller


HZDRmultiphaseEulerFoam


	bubble induced turbulence model of Ma et al. (2017)
	drag model of Ishii and Zuber (1979) without correction for swarm and/or viscous effects
	wall lubrication model of Hosokawa et al. (2002)
	additional breakup and coalescence models for class method according to Kusters (1991) and Adachi et al. (1994)
	degassing boundary condition (fvModel)
	lift force correlation of Hessenkemper et al. (2021)
	lift force correlation of Saffman (1965) as extended by Mei (1992).
	aspect ratio correlation of Ziegenhein and Lucas (2017)
	real pressure treatment via explicit turbulent normal stress according to Rzehak et al. (2021)
	GPU-based accelerated computation of coalescence and breakup frequencies for the models of Lehr et al. (2002) (Petelin et al., 2021)
	configuration files and tutorials for easy setup of baseline cases according to Hänsch et al. (2021)


cipsaMultiphaseEulerFoam


	morphology adaptive modelling framework for predicting dispersed and resolved interfaces based on Eulerian multi-field two-fluid model
	compact momentum interpolation method according to Cubero et al. (2014), including virtual mass
	numerical drag according to Strubelj and Tiselj (2011) to describe resolved interfaces in a volume-of-fluid like manner
	n-phase partial elimination algorithm for momentum equations to resolve strong phase coupling (Meller, Schlegel and Lucas, 2021)
	free surface turbulence damping (Frederix et al., 2018) for k-ω SST - symmetric and asymmetric - according to Tekavčič et al. (2021)
	sub-grid scale modelling framework (Meller, Schlegel and Klein, 2021)
	
		additional LES models for the unclosed convective sub-grid scale term
		closure models for sub-grid surface tension term
	
	
	configuration files and tutorials for easy setup of hybrid cases
</dc:description>
          <dc:description>This work was supported by the Helmholtz European Partnering Program in the project "Crossing borders and scales (Crossing)"</dc:description>
          <dc:identifier>https://rodare.hzdr.de/record/1742</dc:identifier>
          <dc:identifier>10.14278/rodare.1742</dc:identifier>
          <dc:identifier>oai:rodare.hzdr.de:1742</dc:identifier>
          <dc:language>eng</dc:language>
          <dc:relation>url:https://www.hzdr.de/publications/Publ-32194</dc:relation>
          <dc:relation>url:https://www.hzdr.de/publications/Publ-32356</dc:relation>
          <dc:relation>url:https://www.hzdr.de/publications/Publ-32323</dc:relation>
          <dc:relation>url:https://www.hzdr.de/publications/Publ-32161</dc:relation>
          <dc:relation>doi:10.14278/rodare.767</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/energy</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/fwd</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/hzdr</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/openfoam</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/rodare</dc:relation>
          <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
          <dc:rights>https://opensource.org/licenses/GPL-3.0</dc:rights>
          <dc:subject>Multiphase Flow</dc:subject>
          <dc:subject>Numerical Simulations</dc:subject>
          <dc:subject>OpenFOAM</dc:subject>
          <dc:subject>CFD</dc:subject>
          <dc:subject>Finite volume method</dc:subject>
          <dc:subject>Baseline model</dc:subject>
          <dc:subject>Multi-field two-fluid model</dc:subject>
          <dc:subject>Eulerian-Eulerian model</dc:subject>
          <dc:subject>Momentum interpolation</dc:subject>
          <dc:subject>Partial elimination algorithm</dc:subject>
          <dc:subject>Free Surface</dc:subject>
          <dc:title>HZDR Multiphase Addon for OpenFOAM</dc:title>
          <dc:type>info:eu-repo/semantics/other</dc:type>
          <dc:type>software</dc:type>
        </oai_dc:dc>
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    <record>
      <header>
        <identifier>oai:rodare.hzdr.de:1869</identifier>
        <datestamp>2025-12-19T07:35:42Z</datestamp>
        <setSpec>software</setSpec>
        <setSpec>user-openfoam</setSpec>
        <setSpec>user-fwd</setSpec>
        <setSpec>user-hzdr</setSpec>
        <setSpec>user-energy</setSpec>
        <setSpec>user-rodare</setSpec>
      </header>
      <metadata>
        <oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
          <dc:contributor>Couteau, Arthur</dc:contributor>
          <dc:contributor>Colombo, Marco</dc:contributor>
          <dc:contributor>Kriebitzsch, Sebastian</dc:contributor>
          <dc:contributor>Kumaresh, Pramodh</dc:contributor>
          <dc:contributor>Parekh, Jigar</dc:contributor>
          <dc:contributor>Zhang, Tingting</dc:contributor>
          <dc:creator>Schlegel, Fabian</dc:creator>
          <dc:creator>Bilde, Kasper Gram</dc:creator>
          <dc:creator>Draw, Mazen</dc:creator>
          <dc:creator>Evdokimov, Ilya</dc:creator>
          <dc:creator>Hänsch, Susann</dc:creator>
          <dc:creator>Kamble, Vikrant Vinayak</dc:creator>
          <dc:creator>Khan, Harris</dc:creator>
          <dc:creator>Krull, Benjamin</dc:creator>
          <dc:creator>Lehnigk, Ronald</dc:creator>
          <dc:creator>Li, Jiadong</dc:creator>
          <dc:creator>Lyu, Hongmei</dc:creator>
          <dc:creator>Meller, Richard</dc:creator>
          <dc:creator>Petelin, Gašper</dc:creator>
          <dc:creator>Tekavčič, Matej</dc:creator>
          <dc:creator>Kota, Sesi Preetam</dc:creator>
          <dc:date>2022-10-14</dc:date>
          <dc:description>The HZDR Multiphase Addon is a software publication released by Helmholtz-Zentrum Dresden-Rossendorf according to the FAIR principles (Findability, Accessibility, Interoperability, and Reuseability). It contains experimental research work for the open-source CFD software OpenFOAM, released by The OpenFOAM Foundation. The developments are dedicated to the numerical simulation of multiphase flows, in particular to the multi-field two-fluid model (Euler-Euler method).

Highlights of the provided addon are:


	HZDR Baseline Model: HZDRMultiphaseEulerFoam solver with full support of the HZDR baseline model set for polydisperse bubbly flows, including configuration files and tutorials for simplified setup of Baseline cases (Hänsch et al., 2021).
	Population Balance Modelling: A GPU-accelerated population balance method according to Petelin et al. (2021).
	OpenFOAM-Hybrid cipsaMultiphaseEulerFoam solver featuring a hybrid modelling approach (dispersed and resolved interfaces, Meller et al., 2021) with an interface to the multiphaseEulerFoam framework to utilise all available interfacial models, and configuration files and tutorials for easy setup of hybrid cases.
	more ...
</dc:description>
          <dc:description>This work was supported by the Helmholtz European Partnering Program in the project "Crossing borders and scales (Crossing)"</dc:description>
          <dc:identifier>https://rodare.hzdr.de/record/1869</dc:identifier>
          <dc:identifier>10.14278/rodare.1869</dc:identifier>
          <dc:identifier>oai:rodare.hzdr.de:1869</dc:identifier>
          <dc:language>eng</dc:language>
          <dc:relation>url:https://www.hzdr.de/publications/Publ-32194</dc:relation>
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          <dc:relation>url:https://rodare.hzdr.de/communities/openfoam</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/rodare</dc:relation>
          <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
          <dc:rights>https://opensource.org/licenses/GPL-3.0</dc:rights>
          <dc:subject>Multiphase Flow</dc:subject>
          <dc:subject>Numerical Simulations</dc:subject>
          <dc:subject>OpenFOAM</dc:subject>
          <dc:subject>Computational Fluid Dynamics</dc:subject>
          <dc:subject>Finite volume method</dc:subject>
          <dc:subject>Baseline model</dc:subject>
          <dc:subject>Multi-field two-fluid model</dc:subject>
          <dc:subject>Euler-Euler method</dc:subject>
          <dc:subject>Momentum interpolation</dc:subject>
          <dc:subject>Partial elimination algorithm</dc:subject>
          <dc:subject>Free Surface Flows</dc:subject>
          <dc:title>HZDR Multiphase Addon for OpenFOAM</dc:title>
          <dc:type>info:eu-repo/semantics/other</dc:type>
          <dc:type>software</dc:type>
        </oai_dc:dc>
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        <identifier>oai:rodare.hzdr.de:3284</identifier>
        <datestamp>2025-12-19T07:35:42Z</datestamp>
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        <setSpec>user-energy</setSpec>
        <setSpec>user-fwd</setSpec>
        <setSpec>user-hzdr</setSpec>
        <setSpec>user-openfoam</setSpec>
        <setSpec>user-rodare</setSpec>
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          <dc:contributor>Couteau, Arthur</dc:contributor>
          <dc:contributor>Colombo, Marco</dc:contributor>
          <dc:contributor>Haßlberger, Josef</dc:contributor>
          <dc:contributor>Kriebitzsch, Sebastian</dc:contributor>
          <dc:contributor>Kumaresh, Pramodh</dc:contributor>
          <dc:contributor>Parekh, Jigar</dc:contributor>
          <dc:contributor>Zhang, Tingting</dc:contributor>
          <dc:contributor>Wang, Chih-Ta</dc:contributor>
          <dc:contributor>Wang, Lisong</dc:contributor>
          <dc:creator>Schlegel, Fabian</dc:creator>
          <dc:creator>Bilde, Kasper Gram</dc:creator>
          <dc:creator>Draw, Mazen</dc:creator>
          <dc:creator>Evdokimov, Ilya</dc:creator>
          <dc:creator>Hänsch, Susann</dc:creator>
          <dc:creator>Kamble, Vikrant Vinayak</dc:creator>
          <dc:creator>Khan, Haris</dc:creator>
          <dc:creator>Krull, Benjamin</dc:creator>
          <dc:creator>Lehnigk, Ronald</dc:creator>
          <dc:creator>Li, Jiadong</dc:creator>
          <dc:creator>Lyu, Hongmei</dc:creator>
          <dc:creator>Meller, Richard</dc:creator>
          <dc:creator>Petelin, Gasper</dc:creator>
          <dc:creator>Kota, Sesi Preetam</dc:creator>
          <dc:creator>Tekavcic, Matej</dc:creator>
          <dc:date>2024-11-29</dc:date>
          <dc:description>The Multiphase Code Repository by HZDR for OpenFOAM Foundation Software is a software publication released by Helmholtz-Zentrum Dresden-Rossendorf according to the FAIR principles (Findability, Accessibility, Interoperability, and Reuseability). It contains experimental research work for the open-source software released by The OpenFOAM Foundation. The developments are dedicated to the numerical simulation of multiphase flows, in particular to the multi-field two-fluid model (Euler-Euler method).Acknowledgement: OpenFOAM(R) is a registered trade mark of OpenCFD Limited, producer and distributor of the OpenFOAM(R) software via www.openfoam.com. The Multiphase Code Repository by HZDR for OpenFOAM Foundation Software is not compatible with the software released by OpenCFD Limited, but is based on the software released by the OpenFOAM Foundation via www.openfoam.orgHighlights of the Multiphase Code Repository by HZDRHZDR Baseline Model: addonMultiphaseEuler solver with full support of the HZDR baseline model set for polydisperse bubbly flows, including configuration files and tutorials for simplified setup of Baseline cases (Hänsch et al., 2021).Morphology-adaptive Multifield Two-fluid Model (MultiMorph): cipsaMultiphaseEuler solver featuring a morphology-adaptive modelling approach (dispersed and resolved interfaces, Meller et al., 2021) with an interface to the multiphaseEuler framework to utilise all available interfacial models, and configuration files and tutorials for easy setup of cases with the MultiMorph Model.more ...</dc:description>
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          <dc:relation>url:https://rodare.hzdr.de/communities/energy</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/fwd</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/hzdr</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/openfoam</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/rodare</dc:relation>
          <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
          <dc:rights>https://opensource.org/licenses/GPL-3.0</dc:rights>
          <dc:subject>Multiphase Flow</dc:subject>
          <dc:subject>Numerical Simulations</dc:subject>
          <dc:subject>OpenFOAM</dc:subject>
          <dc:subject>Computational Fluid Dynamics</dc:subject>
          <dc:subject>Finite volume method</dc:subject>
          <dc:subject>Baseline model</dc:subject>
          <dc:subject>Multi-field two-fluid model</dc:subject>
          <dc:subject>Euler-Euler method</dc:subject>
          <dc:subject>Momentum interpolation</dc:subject>
          <dc:subject>Partial elimination algorithm</dc:subject>
          <dc:subject>Free Surface Flows</dc:subject>
          <dc:subject>C++</dc:subject>
          <dc:subject>C</dc:subject>
          <dc:subject>CUDA</dc:subject>
          <dc:subject>Shell</dc:subject>
          <dc:subject>Python</dc:subject>
          <dc:subject>Gnuplot</dc:subject>
          <dc:title>Multiphase Code Repository by HZDR for OpenFOAM Foundation Software</dc:title>
          <dc:type>info:eu-repo/semantics/other</dc:type>
          <dc:type>software</dc:type>
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        <identifier>oai:rodare.hzdr.de:1925</identifier>
        <datestamp>2025-12-16T12:53:36Z</datestamp>
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        <setSpec>user-fwd</setSpec>
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          <dc:contributor>Couteau, Arthur</dc:contributor>
          <dc:contributor>Kriebitzsch, Sebastian</dc:contributor>
          <dc:contributor>Kumaresh, Pramodh</dc:contributor>
          <dc:contributor>Mohite, Onkar</dc:contributor>
          <dc:contributor>Upadhyay, Kartik</dc:contributor>
          <dc:creator>Hänsch, Susann</dc:creator>
          <dc:creator>Draw, Mazen</dc:creator>
          <dc:creator>Evdokimov, Ilya</dc:creator>
          <dc:creator>Khan, Haris</dc:creator>
          <dc:creator>Krull, Benjamin</dc:creator>
          <dc:creator>Lehnigk, Ronald</dc:creator>
          <dc:creator>Liao, Yixiang</dc:creator>
          <dc:creator>Lyu, Hongmei</dc:creator>
          <dc:creator>Meller, Richard</dc:creator>
          <dc:creator>Schlegel, Fabian</dc:creator>
          <dc:creator>Tekavčič, Matej</dc:creator>
          <dc:date>2022-10-28</dc:date>
          <dc:description>HZDR Multiphase Case Collection for OpenFOAM contains simulation setups for the open-source CFD software OpenFOAM extended by the HZDR Multiphase Addon for OpenFOAM. The simulation setups are separated into mono- and polydisperse bubbly flows utilising the HZDR Baseline model set, setups for a hybrid modelling approach (disperse and resolved interfaces) and miscellaneous cases.</dc:description>
          <dc:description>This work was supported by the Helmholtz European Partnering Program in the project "Crossing borders and scales (Crossing)".</dc:description>
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          <dc:relation>doi:10.14278/rodare.811</dc:relation>
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          <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
          <dc:rights>https://creativecommons.org/licenses/by/4.0/legalcode</dc:rights>
          <dc:subject>Multiphase Flow</dc:subject>
          <dc:subject>Numerical Simulations</dc:subject>
          <dc:subject>OpenFOAM</dc:subject>
          <dc:subject>Computational Fluid Dynamics</dc:subject>
          <dc:subject>Baseline model</dc:subject>
          <dc:subject>Multi-field two-fluid model</dc:subject>
          <dc:subject>Partial elimination algorithm</dc:subject>
          <dc:subject>Free Surface</dc:subject>
          <dc:subject>Euler-Euler Method</dc:subject>
          <dc:subject>Shell</dc:subject>
          <dc:subject>Python</dc:subject>
          <dc:subject>Gnuplot</dc:subject>
          <dc:subject>C++</dc:subject>
          <dc:title>HZDR Multiphase Case Collection for OpenFOAM</dc:title>
          <dc:type>info:eu-repo/semantics/other</dc:type>
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      <header>
        <identifier>oai:rodare.hzdr.de:1480</identifier>
        <datestamp>2025-12-19T07:35:41Z</datestamp>
        <setSpec>software</setSpec>
        <setSpec>user-openfoam</setSpec>
        <setSpec>user-fwd</setSpec>
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          <dc:contributor>Couteau, Arthur</dc:contributor>
          <dc:contributor>Colombo, Marco</dc:contributor>
          <dc:contributor>Kriebitzsch, Sebastian</dc:contributor>
          <dc:contributor>Parekh, Jigar</dc:contributor>
          <dc:creator>Schlegel, Fabian</dc:creator>
          <dc:creator>Bilde, Kasper Gram</dc:creator>
          <dc:creator>Draw, Mazen</dc:creator>
          <dc:creator>Evdokimov, Ilya</dc:creator>
          <dc:creator>Hänsch, Susann</dc:creator>
          <dc:creator>Khan, Harris</dc:creator>
          <dc:creator>Krull, Benjamin</dc:creator>
          <dc:creator>Lehnigk, Ronald</dc:creator>
          <dc:creator>Li, Jiadong</dc:creator>
          <dc:creator>Lyu, Hongmei</dc:creator>
          <dc:creator>Meller, Richard</dc:creator>
          <dc:creator>Petelin, Gašper</dc:creator>
          <dc:creator>Tekavčič, Matej</dc:creator>
          <dc:date>2022-03-14</dc:date>
          <dc:description>The HZDR multiphase addon contains additional code for the open-source CFD software OpenFOAM, released by The OpenFOAM Foundation. The developments are dedicated to the numerical simulation of multiphase flows, in particular to the multi-field two-fluid model (Euler-Euler method). Within the OpenFOAM library the multiphaseEulerFoam framework is used for this type of simulation. The addon contains a modified solver named HZDRmultiphaseEulerFoam with the full support of the HZDR baseline model set for polydisperse bubbly flows. In addition a solver dedicated to a hybrid modelling approach (dispersed and resolved interfaces, Meller, Schlegel and Lucas, 2021) named cipsaMultiphaseEulerFoam is provided with the addon. This solver has an interface to the multiphaseEulerFoam framework and utilizes all available interfacial models of it.

General enhancements


	modified turbulent wall functions of Menter according to Rzehak and Kriebitzsch (2015)
	dynamic time step adjustment via PID controller


HZDRmultiphaseEulerFoam


	bubble induced turbulence model of Ma et al. (2017)
	drag model of Ishii and Zuber (1979) without correction for swarm and/or viscous effects
	wall lubrication model of Hosokawa et al. (2002)
	additional breakup and coalescence models for class method according to Kusters (1991) and Adachi et al. (1994)
	degassing boundary condition (fvModel)
	lift force correlation of Hessenkemper et al. (2021)
	lift force correlation of Saffman (1965) as extended by Mei (1992).
	aspect ratio correlation of Ziegenhein and Lucas (2017)
	real pressure treatment via explicit turbulent normal stress according to Rzehak et al. (2021)
	GPU-based accelerated computation of coalescence and breakup frequencies for the models of Lehr et al. (2002) (Petelin et al., 2021)
	configuration files and tutorials for easy setup of baseline cases according to Hänsch et al. (2021)


cipsaMultiphaseEulerFoam


	morphology adaptive modelling framework for predicting dispersed and resolved interfaces based on Eulerian multi-field two-fluid model
	compact momentum interpolation method according to Cubero et al. (2014), including virtual mass
	numerical drag according to Strubelj and Tiselj (2011) to describe resolved interfaces in a volume-of-fluid like manner
	n-phase partial elimination algorithm for momentum equations to resolve strong phase coupling (Meller, Schlegel and Lucas, 2021)
	free surface turbulence damping (Frederix et al., 2018) for k-ω SST - symmetric and asymmetric - according to Tekavčič et al. (2021)
	sub-grid scale modelling framework (Meller, Schlegel and Klein, 2021)
	
		additional LES models for the unclosed convective sub-grid scale term
		closure models for sub-grid surface tension term
	
	
	configuration files and tutorials for easy setup of hybrid cases
</dc:description>
          <dc:description>This work was supported by the Helmholtz European Partnering Program in the project "Crossing borders and scales (Crossing)"</dc:description>
          <dc:identifier>https://rodare.hzdr.de/record/1480</dc:identifier>
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          <dc:rights>https://opensource.org/licenses/GPL-3.0</dc:rights>
          <dc:subject>Multiphase Flow</dc:subject>
          <dc:subject>Numerical Simulations</dc:subject>
          <dc:subject>OpenFOAM</dc:subject>
          <dc:subject>CFD</dc:subject>
          <dc:subject>Finite volume method</dc:subject>
          <dc:subject>Baseline model</dc:subject>
          <dc:subject>Multi-field two-fluid model</dc:subject>
          <dc:subject>Eulerian-Eulerian model</dc:subject>
          <dc:subject>Momentum interpolation</dc:subject>
          <dc:subject>Partial elimination algorithm</dc:subject>
          <dc:subject>Free Surface</dc:subject>
          <dc:title>HZDR Multiphase Addon for OpenFOAM</dc:title>
          <dc:type>info:eu-repo/semantics/other</dc:type>
          <dc:type>software</dc:type>
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          <dc:contributor>Kumaresh, Pramodh</dc:contributor>
          <dc:contributor>Parekh, Jigar</dc:contributor>
          <dc:contributor>Zhang, Tingting</dc:contributor>
          <dc:contributor>Wang, Lisong</dc:contributor>
          <dc:creator>Schlegel, Fabian</dc:creator>
          <dc:creator>Bilde, Kasper Gram</dc:creator>
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          <dc:creator>Evdokimov, Ilya</dc:creator>
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          <dc:creator>Khan, Harris</dc:creator>
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          <dc:creator>Petelin, Gasper</dc:creator>
          <dc:creator>Kota, Sesi Preetam</dc:creator>
          <dc:creator>Tekavcic, Matej</dc:creator>
          <dc:date>2023-03-21</dc:date>
          <dc:description>The HZDR Multiphase Addon is a software publication released by Helmholtz-Zentrum Dresden-Rossendorf according to the FAIR principles (Findability, Accessibility, Interoperability, and Reuseability). It contains experimental research work for the open-source CFD software OpenFOAM, released by The OpenFOAM Foundation. The developments are dedicated to the numerical simulation of multiphase flows, in particular to the multi-field two-fluid model (Euler-Euler method).Highlights of the provided addon are:HZDR Baseline Model: addonMultiphaseEulerFoam solver with full support of the HZDR baseline model set for polydisperse bubbly flows, including configuration files and tutorials for simplified setup of Baseline cases (Hänsch et al., 2021).Population Balance Modelling: A GPU-accelerated population balance method according to Petelin et al. (2021).Morphology-adaptive Multifield Two-fluid Model (MultiMorph): cipsaMultiphaseEulerFoam solver featuring a morphology-adaptive modelling approach (dispersed and resolved interfaces, Meller et al., 2021) with an interface to the multiphaseEulerFoam framework to utilise all available interfacial models, and configuration files and tutorials for easy setup of cases with the MultiMorph Model.more ...</dc:description>
          <dc:description>This work was supported by the Helmholtz European Partnering Program in the project "Crossing borders and scales (Crossing)".</dc:description>
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          <dc:subject>OpenFOAM</dc:subject>
          <dc:subject>Computational Fluid Dynamics</dc:subject>
          <dc:subject>Finite volume method</dc:subject>
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          <dc:subject>Momentum interpolation</dc:subject>
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          <dc:subject>C++</dc:subject>
          <dc:subject>C</dc:subject>
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          <dc:subject>Python</dc:subject>
          <dc:subject>Gnuplot</dc:subject>
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          <dc:description>The Multiphase Code Repository by HZDR for OpenFOAM Foundation Software is a software publication released by Helmholtz-Zentrum Dresden-Rossendorf according to the FAIR principles (Findability, Accessibility, Interoperability, and Reuseability). It contains experimental research work for the open-source software released by The OpenFOAM Foundation. The developments are dedicated to the numerical simulation of multiphase flows, in particular to the multi-field two-fluid model (Euler-Euler method).

Acknowledgement: OpenFOAM(R) is a registered trade mark of OpenCFD Limited, producer and distributor of the OpenFOAM(R) software via www.openfoam.com. The Multiphase Code Repository by HZDR for OpenFOAM Foundation Software is not compatible with the software released by OpenCFD Limited, but is based on the software released by the OpenFOAM Foundation via www.openfoam.org

Highlights of the Multiphase Code Repository by HZDR


	HZDR Baseline Model: addonMultiphaseEuler solver with full support of the HZDR baseline model set for polydisperse bubbly flows, including configuration files and tutorials for simplified setup of Baseline cases (Hänsch et al., 2021).
	Population Balance Modelling: A GPU-accelerated population balance method according to Petelin et al. (2021).
	Morphology-adaptive Multifield Two-fluid Model (MultiMorph): cipsaMultiphaseEuler solver featuring a morphology-adaptive modelling approach (dispersed and resolved interfaces, Meller et al., 2021) with an interface to the multiphaseEuler framework to utilise all available interfacial models, and configuration files and tutorials for easy setup of cases with the MultiMorph Model.
	more ...
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          <dc:description>This work was supported by the Helmholtz European Partnering Program in the project "Crossing borders and scales (Crossing)".</dc:description>
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          <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
          <dc:rights>https://opensource.org/licenses/GPL-3.0</dc:rights>
          <dc:subject>Multiphase Flow</dc:subject>
          <dc:subject>Numerical Simulations</dc:subject>
          <dc:subject>OpenFOAM</dc:subject>
          <dc:subject>Computational Fluid Dynamics</dc:subject>
          <dc:subject>Finite volume method</dc:subject>
          <dc:subject>Baseline model</dc:subject>
          <dc:subject>Multi-field two-fluid model</dc:subject>
          <dc:subject>Euler-Euler method</dc:subject>
          <dc:subject>Momentum interpolation</dc:subject>
          <dc:subject>Partial elimination algorithm</dc:subject>
          <dc:subject>Free Surface Flows</dc:subject>
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          <dc:date>2025-10-21</dc:date>
          <dc:description>The Multiphase Code Repository by HZDR for OpenFOAM Foundation Software is a software publication released by Helmholtz-Zentrum Dresden-Rossendorf according to the FAIR principles (Findability, Accessibility, Interoperability, and Reuseability). It contains experimental research work for the open-source software released by The OpenFOAM Foundation. The developments are dedicated to the numerical simulation of multiphase flows, in particular to the multi-field two-fluid model (Euler-Euler method).Acknowledgement: OpenFOAM(R) is a registered trade mark of OpenCFD Limited, producer and distributor of the OpenFOAM(R) software via www.openfoam.com. The Multiphase Code Repository by HZDR for OpenFOAM Foundation Software is not compatible with the software released by OpenCFD Limited, but is based on the software released by the OpenFOAM Foundation via www.openfoam.orgHighlights of the Multiphase Code Repository by HZDRHZDR Baseline Model: addonMultiphaseEuler solver with full support of the HZDR baseline model set for polydisperse bubbly flows, including configuration files and tutorials for simplified setup of Baseline cases (Hänsch et al., 2021).Morphology-adaptive Multifield Two-fluid Model (MultiMorph): cipsaMultiphaseEuler solver featuring a morphology-adaptive modelling approach (dispersed and resolved interfaces, Meller et al., 2021) with an interface to the multiphaseEuler framework to utilise all available interfacial models, and configuration files and tutorials for easy setup of cases with the MultiMorph Model.more ...</dc:description>
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          <dc:description>The Multiphase Code Repository by HZDR for OpenFOAM Foundation Software is a software publication released by Helmholtz-Zentrum Dresden-Rossendorf according to the FAIR principles (Findability, Accessibility, Interoperability, and Reuseability). It contains experimental research work for the open-source software released by The OpenFOAM Foundation. The developments are dedicated to the numerical simulation of multiphase flows, in particular to the multi-field two-fluid model (Euler-Euler method).Acknowledgement: OpenFOAM(R) is a registered trade mark of OpenCFD Limited, producer and distributor of the OpenFOAM(R) software via www.openfoam.com. The Multiphase Code Repository by HZDR for OpenFOAM Foundation Software is not compatible with the software released by OpenCFD Limited, but is based on the software released by the OpenFOAM Foundation via www.openfoam.orgHighlights of the Multiphase Code Repository by HZDRHZDR Baseline Model: addonMultiphaseEuler solver with full support of the HZDR baseline model set for polydisperse bubbly flows, including configuration files and tutorials for simplified setup of Baseline cases (Hänsch et al., 2021).Morphology-adaptive Multifield Two-fluid Model (MultiMorph): cipsaMultiphaseEuler solver featuring a morphology-adaptive modelling approach (dispersed and resolved interfaces, Meller et al., 2021) with an interface to the multiphaseEuler framework to utilise all available interfacial models, and configuration files and tutorials for easy setup of cases with the MultiMorph Model.more ...</dc:description>
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        <datestamp>2025-12-16T12:53:35Z</datestamp>
        <setSpec>software</setSpec>
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          <dc:contributor>Couteau, Arthur</dc:contributor>
          <dc:contributor>Upadhyay, Kartik</dc:contributor>
          <dc:contributor>Mohite, Onkar</dc:contributor>
          <dc:contributor>Kriebitzsch, Sebastian</dc:contributor>
          <dc:creator>Hänsch, Susann</dc:creator>
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          <dc:creator>Evdokimov, Ilya</dc:creator>
          <dc:creator>Khan, Haris</dc:creator>
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          <dc:creator>Liao, Yixiang</dc:creator>
          <dc:creator>Lyu, Hongmei</dc:creator>
          <dc:creator>Meller, Richard</dc:creator>
          <dc:creator>Schlegel, Fabian</dc:creator>
          <dc:creator>Tekavčič, Matej</dc:creator>
          <dc:date>2021-02-15</dc:date>
          <dc:description>HZDR Multiphase Case Collection for OpenFOAM contains simulation setups for the open-source CFD software OpenFOAM with the HZDR multiphase addon. The simulation setups are separated into polydisperse bubbly flows utilising the HZDR Baseline model set according to Liao et al. (Chem Eng Sci, 2019, Vol. 202, 55-69) and setups for a hybrid modelling approach (disperse and resolved interfaces) according to Meller et al. (Int J Numer Meth Fluids, 2021, Vol. 93, 748–773).

Cases using the HZDR Baseline model set

baseline/1998_Liu


	Reference for experiment: Liu, 3rd Int Conf Multiph Flow (ICMF), Vol. 98, 8-12
	Reference for case setup:
	
		Rzehak et al., Nucl Eng Des (accepted)
		Kriebitzsch and Rzehak, Fluids, 2016, Vol. 1, 29
	
	


baseline/2005_Lucas_et_al


	Reference for experiment: Lucas et al., Int J Multiph Flow, 2005, Vol. 31, 1304-1328
	Reference for case setup: Lehnigk et al., AlChE J (submitted)


baseline/2008_Shawkat


	Reference for experiment: Shawkat et al., Int J Multiph Flow, 2008, Vol. 34, 767-785
	Reference for case setup: Kriebitzsch and Rzehak, Fluids, 2016, Vol. 1, 29


baseline/2009_Hosokawa


	Reference for experiment: Hosokawa and Tomiyama, Chem Eng Science, 2009, Vol. 64, 5308-5318
	Reference for case setup: Rzehak et al., Nucl Eng Des (accepted)


baseline/2013_Hosokawa_and_Tomiyama


	Reference for experiment: Hosokawa and Tomiyama, Int J Heat Fluid Flow, 2013, Vol. 40, 97-105
	Reference for case setup:
	
		Kriebitzsch and Rzehak, Fluids, 2016, Vol. 1, 29
		Liao et al., Comp Fluids, 2020, Vol. 202, 104496
	
	


baseline/2016_Kim_et_al


	Reference for experiment: Kim et al., Exp Fluids, 2016, Vol. 57, 1432-1114
	Reference for case setup: Liao et al., Comp Fluids, 2020, Vol. 202, 104496


Cases using the hybrid modelling approach

hybrid/wenka/2D-MP3-23


	Reference for experiment: Stäbler, Ph.D. thesis, 2007
	Reference for case setup: Tekavčič et al., Nucl Eng Des (accepted)


hybrid/risingBubbleHysingEtAl2009


	References for case setup:
	
		Hysing et al., Int J Numer Meth Fluids, 2009, Vol. 60, 1259-1288
		Meller et al., Int J Numer Meth Fluids, 2021, Vol. 93, 748–773
		Meller et al., Flow Turbul Combust (submitted)
	
	


hybrid/risingBubbleBalcazarEtAl2015


	Reference for experiment: Bhaga and Weber, J Fluid Mech, 1981, Vol. 105, 61-85
	Reference for direct numerical simulation: Balcázar et al., Int J Heat Fluid Flow, 2015, Vol. 56, 91-107
	References for case setup: Meller et al., Int J Numer Meth Fluids, 2021, Vol. 93, 748–773


hybrid/risingBubbleMellerEtAl2021


	Reference for case setup: Meller et al., Flow Turbul Combust (submitted)
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          <dc:identifier>https://rodare.hzdr.de/record/927</dc:identifier>
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          <dc:subject>Numerical Simulations</dc:subject>
          <dc:subject>OpenFOAM</dc:subject>
          <dc:subject>CFD</dc:subject>
          <dc:subject>Baseline model</dc:subject>
          <dc:subject>Multi-field two-fluid model</dc:subject>
          <dc:subject>Eulerian-Eulerian model</dc:subject>
          <dc:subject>Free Surface</dc:subject>
          <dc:title>HZDR Multiphase Case Collection for OpenFOAM</dc:title>
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          <dc:description>This repository contains simulation setups for the Multiphase Code Repository by HZDR for OpenFOAM Foundation Software. The simulation setups are separated into mono- and polydisperse bubbly flows utilising the Baseline model by HZDR set, setups for a morphology-adaptive multifield two-fluid model (disperse and resolved interfaces) and miscellaneous cases.&#13;
&#13;
Acknowledgement: OpenFOAM(R) is a registered trade mark of OpenCFD Limited, producer and distributor of the OpenFOAM(R) software via www.openfoam.com. The Multiphase Cases Repository by HZDR for OpenFOAM Foundation Software is not compatible with the software released by OpenCFD Limited, but is based on the software released by the OpenFOAM Foundation via www.openfoam.org</dc:description>
          <dc:description>This work was supported by the Helmholtz European Partnering Program in the project "Crossing borders and scales (Crossing)".</dc:description>
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          <dc:rights>https://creativecommons.org/licenses/by/4.0/legalcode</dc:rights>
          <dc:subject>Multiphase Flow</dc:subject>
          <dc:subject>Numerical Simulations</dc:subject>
          <dc:subject>OpenFOAM</dc:subject>
          <dc:subject>Computational Fluid Dynamics</dc:subject>
          <dc:subject>Baseline model</dc:subject>
          <dc:subject>Multi-field two-fluid model</dc:subject>
          <dc:subject>Partial elimination algorithm</dc:subject>
          <dc:subject>Free Surface</dc:subject>
          <dc:subject>Euler-Euler Method</dc:subject>
          <dc:subject>Shell</dc:subject>
          <dc:subject>Python</dc:subject>
          <dc:subject>Gnuplot</dc:subject>
          <dc:subject>C++</dc:subject>
          <dc:title>Multiphase Cases Repository by HZDR for OpenFOAM Foundation Software</dc:title>
          <dc:type>info:eu-repo/semantics/other</dc:type>
          <dc:type>software</dc:type>
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          <dc:creator>Krull, Benjamin</dc:creator>
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          <dc:creator>Meller, Richard</dc:creator>
          <dc:creator>Schlegel, Fabian</dc:creator>
          <dc:creator>Li, Shiwang</dc:creator>
          <dc:creator>Tekavčič, Matej</dc:creator>
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          <dc:description>This repository contains simulation setups for the Multiphase Code Repository by HZDR for OpenFOAM Foundation Software. The simulation setups are separated into mono- and polydisperse bubbly flows utilising the Baseline model by HZDR set, setups for a morphology-adaptive multifield two-fluid model (disperse and resolved interfaces) and miscellaneous cases.Acknowledgement: OpenFOAM(R) is a registered trade mark of OpenCFD Limited, producer and distributor of the OpenFOAM(R) software via www.openfoam.com. The Multiphase Cases Repository by HZDR for OpenFOAM Foundation Software is not compatible with the software released by OpenCFD Limited, but is based on the software released by the OpenFOAM Foundation via www.openfoam.org</dc:description>
          <dc:description>This work was supported by the Helmholtz European Partnering Program in the project "Crossing borders and scales (Crossing)".</dc:description>
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          <dc:subject>Multiphase Flow</dc:subject>
          <dc:subject>Numerical Simulations</dc:subject>
          <dc:subject>OpenFOAM</dc:subject>
          <dc:subject>Computational Fluid Dynamics</dc:subject>
          <dc:subject>Baseline model</dc:subject>
          <dc:subject>Multi-field two-fluid model</dc:subject>
          <dc:subject>Partial elimination algorithm</dc:subject>
          <dc:subject>Free Surface</dc:subject>
          <dc:subject>Euler-Euler Method</dc:subject>
          <dc:subject>Shell</dc:subject>
          <dc:subject>Python</dc:subject>
          <dc:subject>Gnuplot</dc:subject>
          <dc:subject>C++</dc:subject>
          <dc:title>Multiphase Cases Repository by HZDR for OpenFOAM Foundation Software</dc:title>
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          <dc:type>software</dc:type>
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    <record>
      <header>
        <identifier>oai:rodare.hzdr.de:1048</identifier>
        <datestamp>2025-12-19T07:35:41Z</datestamp>
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          <dc:contributor>Colombo, Marco</dc:contributor>
          <dc:contributor>Kriebitzsch, Sebastian</dc:contributor>
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          <dc:creator>Draw, Mazen</dc:creator>
          <dc:creator>Evdokimov, Ilya</dc:creator>
          <dc:creator>Hänsch, Susann</dc:creator>
          <dc:creator>Khan, Harris</dc:creator>
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          <dc:creator>Meller, Richard</dc:creator>
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          <dc:creator>Tekavčič, Matej</dc:creator>
          <dc:date>2021-07-01</dc:date>
          <dc:description>The HZDR multiphase addon contains additional code for the open-source CFD software OpenFOAM, released by The OpenFOAM Foundation. The developments are dedicated to the numerical simulation of multiphase flows, in particular to the multi-field two-fluid model (Euler-Euler method). Within the OpenFOAM library the multiphaseEulerFoam framework is used for this type of simulation. The addon contains a modified multiphaseEulerFoam named HZDRmultiphaseEulerFoam with the full support of the HZDR baseline model set for polydisperse bubbly flows according to Liao et al. (Chem Eng Sci, 2019, Vol. 202, 55-69). In addition a solver dedicated to a hybrid modelling approach (dispersed and resolved interfaces, Meller et al., Int J Numer Meth Fluids. 2021, Vol. 93, 748-773) named cipsaMultiphaseEulerFoam is provided with the addon. This solver has an interface to the multiphaseEulerFoam framework and utilizes all available interfacial models of it.

General enhancements


	modified turbulent wall functions of Menter according to Rzehak and Kriebitzsch (Int J Multiphase Flow, 2015, Vol. 68, 135-152)
	dynamic time step adjustment via PID controller


HZDRmultiphaseEulerFoam


	bubble induced turbulence model of Ma et al. (Phys Rev Fluids, 2017, Vol. 2, 034301)
	drag model of Ishii and Zuber (AIChE Journal, 1979, Vol. 25, 843-855) without correction for swarm and/or viscous effects
	wall lubrication of Hosokawa et al. (ASME Joint US-European Fluids Engineering Division Conference, 2002)
	additional breakup and coalescence models for class method according to Liao et al. (Chem Eng Sci, 2015, Vol. 122, 336-349)
	degassing boundary condition (fvModel)
	lift force correlation of Hessenkemper et al. (Int J Multiphase Flow, 2021, Vol. 138, 103587)
	aspect ratio correlation of Ziegenhein and Lucas (Exp. Therm. Fluid Sci., 2017, Vol. 85, 248–256)
	real pressure treatment via explicit turbulent normal stress according to Rzehak et al. (Nucl Eng Des., 2021, Vol. 374, 111079)
	configuration files and tutorials for easy setup of baseline cases


cipsaMultiphaseEulerFoam


	morphology adaptive modelling framework for predicting dispersed and resolved interfaces based on Eulerian multi-field two-fluid model
	compact momentum interpolation method according to Cubero et al. (Comput Chem Eng, 2014, Vol. 62, 96-107), including virtual mass
	numerical drag according to Strubelj and Tiselj (Int J Numer Methods Eng, 2011, Vol. 85, 575-590) to describe resolved interfaces in a volume-of-fluid like manner
	n-phase partial elimination algorithm for momentum equations to resolve strong phase coupling (Meller et al., Int J Numer Meth Fluids. 2021, Vol. 93, 748-773)
	free surface turbulence damping for k-ω SST (symmetric and asymmetric damping, Frederix et al.,  Nucl Eng Des, 2018, Vol. 333, 122-130)
	sub-grid scale modelling framework:
	
		additional LES models for the unclosed convective sub-grid scale term
		closure models for sub-grid surface tension term
	
	
	configuration files and tutorials for easy setup of hybrid cases
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          <dc:subject>Multiphase Flow</dc:subject>
          <dc:subject>Numerical Simulations</dc:subject>
          <dc:subject>OpenFOAM</dc:subject>
          <dc:subject>CFD</dc:subject>
          <dc:subject>Finite volume method</dc:subject>
          <dc:subject>Baseline model</dc:subject>
          <dc:subject>Multi-field two-fluid model</dc:subject>
          <dc:subject>Eulerian-Eulerian model</dc:subject>
          <dc:subject>Momentum interpolation</dc:subject>
          <dc:subject>Partial elimination algorithm</dc:subject>
          <dc:subject>Free Surface</dc:subject>
          <dc:title>HZDR Multiphase Addon for OpenFOAM</dc:title>
          <dc:type>info:eu-repo/semantics/other</dc:type>
          <dc:type>software</dc:type>
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          <dc:creator>Evdokimov, Ilya</dc:creator>
          <dc:creator>Hänsch, Susann</dc:creator>
          <dc:creator>Khan, Harris</dc:creator>
          <dc:creator>Lehnigk, Ronald</dc:creator>
          <dc:creator>Li, Jiadong</dc:creator>
          <dc:creator>Lyu, Hongmei</dc:creator>
          <dc:creator>Meller, Richard</dc:creator>
          <dc:creator>Petelin, Gašper</dc:creator>
          <dc:creator>Tekavčič, Matej</dc:creator>
          <dc:date>2021-09-29</dc:date>
          <dc:description>The HZDR multiphase addon contains additional code for the open-source CFD software OpenFOAM, released by The OpenFOAM Foundation. The developments are dedicated to the numerical simulation of multiphase flows, in particular to the multi-field two-fluid model (Euler-Euler method). Within the OpenFOAM library the multiphaseEulerFoam framework is used for this type of simulation. The addon contains a modified multiphaseEulerFoam named HZDRmultiphaseEulerFoam with the full support of the HZDR baseline model set for polydisperse bubbly flows according to Liao et al. (Chem Eng Sci, 2019, Vol. 202, 55-69). In addition a solver dedicated to a hybrid modelling approach (dispersed and resolved interfaces, Meller et al., Int J Numer Meth Fluids. 2021, Vol. 93, 748-773) named cipsaMultiphaseEulerFoam is provided with the addon. This solver has an interface to the multiphaseEulerFoam framework and utilizes all available interfacial models of it.

General enhancements


	modified turbulent wall functions of Menter according to Rzehak and Kriebitzsch (Int J Multiphase Flow, 2015, Vol. 68, 135-152)
	dynamic time step adjustment via PID controller


HZDRmultiphaseEulerFoam


	bubble induced turbulence model of Ma et al. (Phys Rev Fluids, 2017, Vol. 2, 034301)
	drag model of Ishii and Zuber (AIChE Journal, 1979, Vol. 25, 843-855) without correction for swarm and/or viscous effects
	wall lubrication of Hosokawa et al. (ASME Joint US-European Fluids Engineering Division Conference, 2002)
	additional breakup and coalescence models for class method according to Liao et al. (Chem Eng Sci, 2015, Vol. 122, 336-349)
	degassing boundary condition (fvModel)
	lift force correlation of Hessenkemper et al. (Int J Multiphase Flow, 2021, Vol. 138, 103587)
	aspect ratio correlation of Ziegenhein and Lucas (Exp. Therm. Fluid Sci., 2017, Vol. 85, 248–256)
	real pressure treatment via explicit turbulent normal stress according to Rzehak et al. (Nucl Eng Des., 2021, Vol. 374, 111079)
	configuration files and tutorials for easy setup of baseline cases
	GPU-based accelerated computation of coalescence and breakup frequencies for the models of Lehr et al., AIChE J, 2002, Vol. 48, 2426-2443 (Petelin et al., NENE2021 conf., submitted)


cipsaMultiphaseEulerFoam


	morphology adaptive modelling framework for predicting dispersed and resolved interfaces based on Eulerian multi-field two-fluid model
	compact momentum interpolation method according to Cubero et al. (Comput Chem Eng, 2014, Vol. 62, 96-107), including virtual mass
	numerical drag according to Strubelj and Tiselj (Int J Numer Methods Eng, 2011, Vol. 85, 575-590) to describe resolved interfaces in a volume-of-fluid like manner
	n-phase partial elimination algorithm for momentum equations to resolve strong phase coupling (Meller et al., Int J Numer Meth Fluids. 2021, Vol. 93, 748-773)
	free surface turbulence damping for k-ω SST (symmetric and asymmetric damping, Frederix et al.,  Nucl Eng Des, 2018, Vol. 333, 122-130)
	sub-grid scale modelling framework:
	
		additional LES models for the unclosed convective sub-grid scale term
		closure models for sub-grid surface tension term
	
	
	configuration files and tutorials for easy setup of hybrid cases
</dc:description>
          <dc:description>This work was supported by the Helmholtz European Partnering Program in the project "Crossing borders and scales (Crossing)"</dc:description>
          <dc:identifier>https://rodare.hzdr.de/record/1195</dc:identifier>
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          <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
          <dc:rights>https://opensource.org/licenses/GPL-3.0</dc:rights>
          <dc:subject>Multiphase Flow</dc:subject>
          <dc:subject>Numerical Simulations</dc:subject>
          <dc:subject>OpenFOAM</dc:subject>
          <dc:subject>CFD</dc:subject>
          <dc:subject>Finite volume method</dc:subject>
          <dc:subject>Baseline model</dc:subject>
          <dc:subject>Multi-field two-fluid model</dc:subject>
          <dc:subject>Eulerian-Eulerian model</dc:subject>
          <dc:subject>Momentum interpolation</dc:subject>
          <dc:subject>Partial elimination algorithm</dc:subject>
          <dc:subject>Free Surface</dc:subject>
          <dc:title>HZDR Multiphase Addon for OpenFOAM</dc:title>
          <dc:type>info:eu-repo/semantics/other</dc:type>
          <dc:type>software</dc:type>
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          <dc:contributor>Kumaresh, Pramodh</dc:contributor>
          <dc:contributor>Parekh, Jigar</dc:contributor>
          <dc:contributor>Zhang, Tingting</dc:contributor>
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          <dc:creator>Bilde, Kasper Gram</dc:creator>
          <dc:creator>Draw, Mazen</dc:creator>
          <dc:creator>Evdokimov, Ilya</dc:creator>
          <dc:creator>Hänsch, Susann</dc:creator>
          <dc:creator>Kamble, Vikrant Vinayak</dc:creator>
          <dc:creator>Khan, Haris</dc:creator>
          <dc:creator>Krull, Benjamin</dc:creator>
          <dc:creator>Lehnigk, Ronald</dc:creator>
          <dc:creator>Li, Jiadong</dc:creator>
          <dc:creator>Lyu, Hongmei</dc:creator>
          <dc:creator>Meller, Richard</dc:creator>
          <dc:creator>Petelin, Gašper</dc:creator>
          <dc:creator>Kota, Sesi Preetam</dc:creator>
          <dc:creator>Tekavčič, Matej</dc:creator>
          <dc:date>2024-06-14</dc:date>
          <dc:description>The Multiphase Code Repository by HZDR for OpenFOAM Foundation Software is a software publication released by Helmholtz-Zentrum Dresden-Rossendorf according to the FAIR principles (Findability, Accessibility, Interoperability, and Reuseability). It contains experimental research work for the open-source software released by The OpenFOAM Foundation. The developments are dedicated to the numerical simulation of multiphase flows, in particular to the multi-field two-fluid model (Euler-Euler method).

Acknowledgement: OpenFOAM(R) is a registered trade mark of OpenCFD Limited, producer and distributor of the OpenFOAM(R) software via www.openfoam.com. The Multiphase Code Repository by HZDR for OpenFOAM Foundation Software is not compatible with the software released by OpenCFD Limited, but is based on the software released by the OpenFOAM Foundation via www.openfoam.org

Highlights of the Multiphase Code Repository by HZDR


	HZDR Baseline Model: addonMultiphaseEuler solver with full support of the HZDR baseline model set for polydisperse bubbly flows, including configuration files and tutorials for simplified setup of Baseline cases (Hänsch et al., 2021).
	Population Balance Modelling: A GPU-accelerated population balance method according to Petelin et al. (2021).
	Morphology-adaptive Multifield Two-fluid Model (MultiMorph): cipsaMultiphaseEuler solver featuring a morphology-adaptive modelling approach (dispersed and resolved interfaces, Meller et al., 2021) with an interface to the multiphaseEuler framework to utilise all available interfacial models, and configuration files and tutorials for easy setup of cases with the MultiMorph Model.
	more ...
</dc:description>
          <dc:description>This work was supported by the Helmholtz European Partnering Program in the project "Crossing borders and scales (Crossing)".</dc:description>
          <dc:identifier>https://rodare.hzdr.de/record/3019</dc:identifier>
          <dc:identifier>10.14278/rodare.3019</dc:identifier>
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          <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
          <dc:rights>https://opensource.org/licenses/GPL-3.0</dc:rights>
          <dc:subject>Multiphase Flow</dc:subject>
          <dc:subject>Numerical Simulations</dc:subject>
          <dc:subject>OpenFOAM</dc:subject>
          <dc:subject>Computational Fluid Dynamics</dc:subject>
          <dc:subject>Finite volume method</dc:subject>
          <dc:subject>Baseline model</dc:subject>
          <dc:subject>Multi-field two-fluid model</dc:subject>
          <dc:subject>Euler-Euler method</dc:subject>
          <dc:subject>Momentum interpolation</dc:subject>
          <dc:subject>Partial elimination algorithm</dc:subject>
          <dc:subject>Free Surface Flows</dc:subject>
          <dc:subject>C++</dc:subject>
          <dc:subject>C</dc:subject>
          <dc:subject>CUDA</dc:subject>
          <dc:subject>Shell</dc:subject>
          <dc:subject>Python</dc:subject>
          <dc:subject>Gnuplot</dc:subject>
          <dc:title>Multiphase Code Repository by HZDR for OpenFOAM Foundation Software</dc:title>
          <dc:type>info:eu-repo/semantics/other</dc:type>
          <dc:type>software</dc:type>
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          <dc:creator>Petelin, Gasper</dc:creator>
          <dc:creator>Kota, Sesi Preetam</dc:creator>
          <dc:creator>Tekavcic, Matej</dc:creator>
          <dc:date>2024-07-16</dc:date>
          <dc:description>The Multiphase Code Repository by HZDR for OpenFOAM Foundation Software is a software publication released by Helmholtz-Zentrum Dresden-Rossendorf according to the FAIR principles (Findability, Accessibility, Interoperability, and Reuseability). It contains experimental research work for the open-source software released by The OpenFOAM Foundation. The developments are dedicated to the numerical simulation of multiphase flows, in particular to the multi-field two-fluid model (Euler-Euler method).Acknowledgement: OpenFOAM(R) is a registered trade mark of OpenCFD Limited, producer and distributor of the OpenFOAM(R) software via www.openfoam.com. The Multiphase Code Repository by HZDR for OpenFOAM Foundation Software is not compatible with the software released by OpenCFD Limited, but is based on the software released by the OpenFOAM Foundation via www.openfoam.orgHighlights of the Multiphase Code Repository by HZDRHZDR Baseline Model: addonMultiphaseEuler solver with full support of the HZDR baseline model set for polydisperse bubbly flows, including configuration files and tutorials for simplified setup of Baseline cases (Hänsch et al., 2021).Population Balance Modelling: A GPU-accelerated population balance method according to Petelin et al. (2021).Morphology-adaptive Multifield Two-fluid Model (MultiMorph): cipsaMultiphaseEuler solver featuring a morphology-adaptive modelling approach (dispersed and resolved interfaces, Meller et al., 2021) with an interface to the multiphaseEuler framework to utilise all available interfacial models, and configuration files and tutorials for easy setup of cases with the MultiMorph Model.more ...</dc:description>
          <dc:description>This work was supported by the Helmholtz European Partnering Program in the project "Crossing borders and scales (Crossing)".</dc:description>
          <dc:identifier>https://rodare.hzdr.de/record/3055</dc:identifier>
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          <dc:subject>Finite volume method</dc:subject>
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          <dc:date>2024-08-22</dc:date>
          <dc:description>The Multiphase Code Repository by HZDR for OpenFOAM Foundation Software is a software publication released by Helmholtz-Zentrum Dresden-Rossendorf according to the FAIR principles (Findability, Accessibility, Interoperability, and Reuseability). It contains experimental research work for the open-source software released by The OpenFOAM Foundation. The developments are dedicated to the numerical simulation of multiphase flows, in particular to the multi-field two-fluid model (Euler-Euler method).Acknowledgement: OpenFOAM(R) is a registered trade mark of OpenCFD Limited, producer and distributor of the OpenFOAM(R) software via www.openfoam.com. The Multiphase Code Repository by HZDR for OpenFOAM Foundation Software is not compatible with the software released by OpenCFD Limited, but is based on the software released by the OpenFOAM Foundation via www.openfoam.orgHighlights of the Multiphase Code Repository by HZDRHZDR Baseline Model: addonMultiphaseEuler solver with full support of the HZDR baseline model set for polydisperse bubbly flows, including configuration files and tutorials for simplified setup of Baseline cases (Hänsch et al., 2021).Population Balance Modelling: A GPU-accelerated population balance method according to Petelin et al. (2021).Morphology-adaptive Multifield Two-fluid Model (MultiMorph): cipsaMultiphaseEuler solver featuring a morphology-adaptive modelling approach (dispersed and resolved interfaces, Meller et al., 2021) with an interface to the multiphaseEuler framework to utilise all available interfacial models, and configuration files and tutorials for easy setup of cases with the MultiMorph Model.more ...</dc:description>
          <dc:description>This work was supported by the Helmholtz European Partnering Program in the project "Crossing borders and scales (Crossing)".</dc:description>
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          <dc:subject>Euler-Euler method</dc:subject>
          <dc:subject>Momentum interpolation</dc:subject>
          <dc:subject>Partial elimination algorithm</dc:subject>
          <dc:subject>Free Surface Flows</dc:subject>
          <dc:subject>C++</dc:subject>
          <dc:subject>C</dc:subject>
          <dc:subject>CUDA</dc:subject>
          <dc:subject>Shell</dc:subject>
          <dc:subject>Python</dc:subject>
          <dc:subject>Gnuplot</dc:subject>
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Cases using the HZDR Baseline model set

baseline/1998_Liu


	Reference for experiment: Liu, 3rd Int Conf Multiph Flow (ICMF), Vol. 98, 8-12
	Reference for case setup:
	
		Rzehak et al., Nucl Eng Des (accepted)
		Kriebitzsch and Rzehak, Fluids, 2016, Vol. 1, 29
	
	


baseline/2005_Lucas_et_al


	Reference for experiment: Lucas et al., Int J Multiph Flow, 2005, Vol. 31, 1304-1328
	Reference for case setup: Lehnigk et al., AlChE J (submitted)


baseline/2008_Shawkat


	Reference for experiment: Shawkat et al., Int J Multiph Flow, 2008, Vol. 34, 767-785
	Reference for case setup: Kriebitzsch and Rzehak, Fluids, 2016, Vol. 1, 29


baseline/2009_Hosokawa


	Reference for experiment: Hosokawa and Tomiyama, Chem Eng Science, 2009, Vol. 64, 5308-5318
	Reference for case setup: Rzehak et al., Nucl Eng Des (accepted)


baseline/2013_Hosokawa_and_Tomiyama


	Reference for experiment: Hosokawa and Tomiyama, Int J Heat Fluid Flow, 2013, Vol. 40, 97-105
	Reference for case setup:
	
		Kriebitzsch and Rzehak, Fluids, 2016, Vol. 1, 29
		Liao et al., Comp Fluids, 2020, Vol. 202, 104496
	
	


baseline/2016_Kim_et_al


	Reference for experiment: Kim et al., Exp Fluids, 2016, Vol. 57, 1432-1114
	Reference for case setup: Liao et al., Comp Fluids, 2020, Vol. 202, 104496


Cases utlizing the hybrid modelling approach

hybrid/wenka/2D-MP3-23


	Reference for experiment: Stäbler, Ph.D. thesis, 2007
	Reference for case setup: Tekavčič et al., Nucl Eng Des (under revision)
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          <dc:subject>OpenFOAM</dc:subject>
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          <dc:subject>Baseline model</dc:subject>
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          <dc:subject>Euler-Euler Method</dc:subject>
          <dc:subject>Shell</dc:subject>
          <dc:subject>Python</dc:subject>
          <dc:subject>Gnuplot</dc:subject>
          <dc:subject>C++</dc:subject>
          <dc:title>Multiphase Cases Repository by HZDR for OpenFOAM Foundation Software</dc:title>
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          <dc:description>This work was supported by the Helmholtz European Partnering Program in the project "Crossing borders and scales (Crossing)".</dc:description>
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          <dc:subject>Numerical Simulations</dc:subject>
          <dc:subject>OpenFOAM</dc:subject>
          <dc:subject>Computational Fluid Dynamics</dc:subject>
          <dc:subject>Baseline model</dc:subject>
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          <dc:creator>Krull, Benjamin</dc:creator>
          <dc:creator>Lehnigk, Ronald</dc:creator>
          <dc:creator>Liao, Yixiang</dc:creator>
          <dc:creator>Lyu, Hongmei</dc:creator>
          <dc:creator>Meller, Richard</dc:creator>
          <dc:creator>Schlegel, Fabian</dc:creator>
          <dc:creator>Li, Shiwang</dc:creator>
          <dc:creator>Tekavčič, Matej</dc:creator>
          <dc:date>2024-11-29</dc:date>
          <dc:description>This repository contains simulation setups for the Multiphase Code Repository by HZDR for OpenFOAM Foundation Software. The simulation setups are separated into mono- and polydisperse bubbly flows utilising the Baseline model by HZDR set, setups for a morphology-adaptive multifield two-fluid model (disperse and resolved interfaces) and miscellaneous cases.Acknowledgement: OpenFOAM(R) is a registered trade mark of OpenCFD Limited, producer and distributor of the OpenFOAM(R) software via www.openfoam.com. The Multiphase Cases Repository by HZDR for OpenFOAM Foundation Software is not compatible with the software released by OpenCFD Limited, but is based on the software released by the OpenFOAM Foundation via www.openfoam.org</dc:description>
          <dc:identifier>https://rodare.hzdr.de/record/3286</dc:identifier>
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          <dc:relation>doi:10.1016/j.ces.2021.116807</dc:relation>
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          <dc:relation>url:https://www.hzdr.de/publications/Publ-32161</dc:relation>
          <dc:relation>url:https://www.hzdr.de/publications/Publ-32323</dc:relation>
          <dc:relation>url:https://www.hzdr.de/publications/Publ-32356</dc:relation>
          <dc:relation>url:https://www.hzdr.de/publications/Publ-35412</dc:relation>
          <dc:relation>doi:10.14278/rodare.811</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/energy</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/fwd</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/hzdr</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/openfoam</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/rodare</dc:relation>
          <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
          <dc:rights>https://creativecommons.org/licenses/by/4.0/legalcode</dc:rights>
          <dc:subject>Multiphase Flow</dc:subject>
          <dc:subject>Numerical Simulations</dc:subject>
          <dc:subject>OpenFOAM</dc:subject>
          <dc:subject>Computational Fluid Dynamics</dc:subject>
          <dc:subject>Baseline model</dc:subject>
          <dc:subject>Multi-field two-fluid model</dc:subject>
          <dc:subject>Partial elimination algorithm</dc:subject>
          <dc:subject>Free Surface</dc:subject>
          <dc:subject>Euler-Euler Method</dc:subject>
          <dc:subject>Shell</dc:subject>
          <dc:subject>Python</dc:subject>
          <dc:subject>Gnuplot</dc:subject>
          <dc:subject>C++</dc:subject>
          <dc:title>Multiphase Cases Repository by HZDR for OpenFOAM Foundation Software</dc:title>
          <dc:type>info:eu-repo/semantics/other</dc:type>
          <dc:type>software</dc:type>
        </oai_dc:dc>
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    <record>
      <header>
        <identifier>oai:rodare.hzdr.de:4054</identifier>
        <datestamp>2025-12-16T12:53:37Z</datestamp>
        <setSpec>software</setSpec>
        <setSpec>user-energy</setSpec>
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          <dc:contributor>Couteau, Arthur</dc:contributor>
          <dc:contributor>Kriebitzsch, Sebastian</dc:contributor>
          <dc:contributor>Kumaresh, Pramodh</dc:contributor>
          <dc:contributor>Mohite, Onkar</dc:contributor>
          <dc:contributor>Simroth, Patrick</dc:contributor>
          <dc:contributor>Upadhyay, Kartik</dc:contributor>
          <dc:creator>Hänsch, Susann</dc:creator>
          <dc:creator>Draw, Mazen</dc:creator>
          <dc:creator>Evdokimov, Ilya</dc:creator>
          <dc:creator>Kamble, Vikrant Vinayak</dc:creator>
          <dc:creator>Khan, Haris</dc:creator>
          <dc:creator>Krull, Benjamin</dc:creator>
          <dc:creator>Lehnigk, Ronald</dc:creator>
          <dc:creator>Li, Shiwang</dc:creator>
          <dc:creator>Liao, Yixiang</dc:creator>
          <dc:creator>Lyu, Hongmei</dc:creator>
          <dc:creator>Meller, Richard</dc:creator>
          <dc:creator>Papagni, Romina Mirdiona</dc:creator>
          <dc:creator>Riviera, Elena</dc:creator>
          <dc:creator>Schlegel, Fabian</dc:creator>
          <dc:creator>Tekavcic, Matej</dc:creator>
          <dc:date>2025-10-24</dc:date>
          <dc:description>This repository contains simulation setups for the Multiphase Code Repository by HZDR for OpenFOAM Foundation Software. The simulation setups are separated into mono- and polydisperse bubbly flows utilising the Baseline model by HZDR set, setups for a morphology-adaptive multifield two-fluid model (disperse and resolved interfaces) and miscellaneous cases.Acknowledgement: OpenFOAM(R) is a registered trade mark of OpenCFD Limited, producer and distributor of the OpenFOAM(R) software via www.openfoam.com. The Multiphase Cases Repository by HZDR for OpenFOAM Foundation Software is not compatible with the software released by OpenCFD Limited, but is based on the software released by the OpenFOAM Foundation via www.openfoam.org</dc:description>
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          <dc:relation>url:https://www.hzdr.de/publications/Publ-32161</dc:relation>
          <dc:relation>url:https://www.hzdr.de/publications/Publ-32323</dc:relation>
          <dc:relation>url:https://www.hzdr.de/publications/Publ-32356</dc:relation>
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          <dc:rights>https://creativecommons.org/licenses/by/4.0/legalcode</dc:rights>
          <dc:subject>Multiphase Flow</dc:subject>
          <dc:subject>Numerical Simulations</dc:subject>
          <dc:subject>OpenFOAM</dc:subject>
          <dc:subject>Computational Fluid Dynamics</dc:subject>
          <dc:subject>Baseline model</dc:subject>
          <dc:subject>Multi-field two-fluid model</dc:subject>
          <dc:subject>Partial elimination algorithm</dc:subject>
          <dc:subject>Free Surface</dc:subject>
          <dc:subject>Euler-Euler Method</dc:subject>
          <dc:subject>Shell</dc:subject>
          <dc:subject>Python</dc:subject>
          <dc:subject>Gnuplot</dc:subject>
          <dc:subject>C++</dc:subject>
          <dc:title>Multiphase Cases Repository by HZDR for OpenFOAM Foundation Software</dc:title>
          <dc:type>info:eu-repo/semantics/other</dc:type>
          <dc:type>software</dc:type>
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    <record>
      <header>
        <identifier>oai:rodare.hzdr.de:768</identifier>
        <datestamp>2025-12-19T07:35:41Z</datestamp>
        <setSpec>software</setSpec>
        <setSpec>user-openfoam</setSpec>
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        <oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
          <dc:contributor>Couteau, Arthur</dc:contributor>
          <dc:contributor>Colombo, Marco</dc:contributor>
          <dc:contributor>Kriebitzsch, Sebastian</dc:contributor>
          <dc:contributor>Parekh, Jigar</dc:contributor>
          <dc:creator>Schlegel, Fabian</dc:creator>
          <dc:creator>Draw, Mazen</dc:creator>
          <dc:creator>Evdokimov, Ilya</dc:creator>
          <dc:creator>Hänsch, Susann</dc:creator>
          <dc:creator>Khan, Harris</dc:creator>
          <dc:creator>Lehnigk, Ronald</dc:creator>
          <dc:creator>Meller, Richard</dc:creator>
          <dc:creator>Petelin, Gašper</dc:creator>
          <dc:creator>Tekavčič, Matej</dc:creator>
          <dc:date>2021-01-26</dc:date>
          <dc:description>The HZDR multiphase addon contains additional code for the open-source CFD software OpenFOAM, released by The OpenFOAM Foundation. The developments are dedicated to the numerical simulation of multiphase flows, in particular to the multi-field two-fluid model (Euler-Euler method). Within the OpenFOAM library the multiphaseEulerFoam framework is used for this type of simulation. The addon contains a modified multiphaseEulerFoam named HZDRmultiphaseEulerFoam with the full support of the HZDR baseline model set for polydisperse bubbly flows according to Liao et al. (Chem Eng Sci, 2019, Vol. 202, 55-69). In addition a solver dedicated to a hybrid modelling approach (dispersed and resolved interfaces, Meller et al., Int J Numer Meth Fluids. 2020, 1-26) named cipsaMultiphaseEulerFoam is provided with the addon. This solver has an interface to the multiphaseEulerFoam framework and utilizes all available interfacial models of it.

General enhancements


	modified turbulent wall functions of Menter according to Rzehak and Kriebitzsch (Int J Multiphase Flow, 2015, Vol. 68, 135-152)
	dynamic time step adjustment via PID controller


HZDRmultiphaseEulerFoam


	bubble induced turbulence model of Ma et al. (Phys Rev Fluids, 2017, Vol. 2, 034301)
	drag model of Ishii and Zuber (AIChE Journal, 1979, Vol. 25, 843-855) without correction for swarm and/or viscous effects
	wall lubrication of Hosokawa et al. (ASME Joint US-European Fluids Engineering Division Conference, 2002)
	additional breakup and coalescence models for class method according to Liao et al. (Chem Eng Sci, 2015, Vol. 122, 336-349)
	degassing boundary condition (fvOption)
	configuration files and tutorials for easy setup


cipsaMultiphaseEulerFoam


	morphology adaptive modeling framework for modelling of dispersed and resolved interfaces based on Eulerian multi-field two-fluid model
	compact interpolation method according to Cubero et al. (Comput Chem Eng, 2014, Vol. 62, 96-107), including virtual mass
	numerical drag according to Strubelj and Tiselj (Int J Numer Methods Eng, 2011, Vol. 85, 575-590) to describe resolved interfaces in a volume-of-fluid like manner
	n-phase partial elimination algorithm for momentum equations to resolve strong phase coupling
	free surface turbulence damping for k-ω SST (symmetric and asymmetric damping, Frederix et al.,  Nucl Eng Des, 2018, Vol. 333, 122-130)
	selected tutorial cases:
	
		a two-dimensional gas bubble, rising in a liquid, which is laden with micro gas bubbles, and
		a two-dimensional stagnant stratification of water and oil, sharing a large-scale interface
		a two-dimensional stratified flow based on the WENKA experiment (Stäbler, Ph.D. thesis, 2007)
	
	
</dc:description>
          <dc:description>This work was supported by the Helmholtz European Partnering Program in the project "Crossing borders and scales (Crossing)"</dc:description>
          <dc:identifier>https://rodare.hzdr.de/record/768</dc:identifier>
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          <dc:relation>url:https://www.hzdr.de/publications/Publ-32194</dc:relation>
          <dc:relation>doi:10.14278/rodare.767</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/energy</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/fwd</dc:relation>
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          <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
          <dc:rights>https://opensource.org/licenses/GPL-3.0</dc:rights>
          <dc:subject>Multiphase Flow</dc:subject>
          <dc:subject>Numerical Simulations</dc:subject>
          <dc:subject>OpenFOAM</dc:subject>
          <dc:subject>C++</dc:subject>
          <dc:subject>CFD</dc:subject>
          <dc:subject>Finite volume method</dc:subject>
          <dc:subject>Baseline model</dc:subject>
          <dc:subject>Multi-field two-fluid model</dc:subject>
          <dc:subject>Eulerian-Eulerian model</dc:subject>
          <dc:subject>Momentum interpolation</dc:subject>
          <dc:subject>Partial elimination algorithm</dc:subject>
          <dc:subject>Free Surface</dc:subject>
          <dc:title>HZDR Multiphase Addon for OpenFOAM</dc:title>
          <dc:type>info:eu-repo/semantics/other</dc:type>
          <dc:type>software</dc:type>
        </oai_dc:dc>
      </metadata>
    </record>
    <record>
      <header>
        <identifier>oai:rodare.hzdr.de:795</identifier>
        <datestamp>2025-12-19T07:35:41Z</datestamp>
        <setSpec>software</setSpec>
        <setSpec>user-openfoam</setSpec>
        <setSpec>user-fwd</setSpec>
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        <setSpec>user-energy</setSpec>
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      <metadata>
        <oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
          <dc:contributor>Couteau, Arthur</dc:contributor>
          <dc:contributor>Colombo, Marco</dc:contributor>
          <dc:contributor>Kriebitzsch, Sebastian</dc:contributor>
          <dc:contributor>Parekh, Jigar</dc:contributor>
          <dc:creator>Schlegel, Fabian</dc:creator>
          <dc:creator>Draw, Mazen</dc:creator>
          <dc:creator>Evdokimov, Ilya</dc:creator>
          <dc:creator>Hänsch, Susann</dc:creator>
          <dc:creator>Khan, Harris</dc:creator>
          <dc:creator>Lehnigk, Ronald</dc:creator>
          <dc:creator>Meller, Richard</dc:creator>
          <dc:creator>Petelin, Gašper</dc:creator>
          <dc:creator>Tekavčič, Matej</dc:creator>
          <dc:date>2021-01-26</dc:date>
          <dc:description>The HZDR multiphase addon contains additional code for the open-source CFD software OpenFOAM, released by The OpenFOAM Foundation. The developments are dedicated to the numerical simulation of multiphase flows, in particular to the multi-field two-fluid model (Euler-Euler method). Within the OpenFOAM library the multiphaseEulerFoam framework is used for this type of simulation. The addon contains a modified multiphaseEulerFoam named HZDRmultiphaseEulerFoam with the full support of the HZDR baseline model set for polydisperse bubbly flows according to Liao et al. (Chem Eng Sci, 2019, Vol. 202, 55-69). In addition a solver dedicated to a hybrid modelling approach (dispersed and resolved interfaces, Meller et al., Int J Numer Meth Fluids. 2020, 1-26) named cipsaMultiphaseEulerFoam is provided with the addon. This solver has an interface to the multiphaseEulerFoam framework and utilizes all available interfacial models of it.

General enhancements


	modified turbulent wall functions of Menter according to Rzehak and Kriebitzsch ( Int J Multiphase Flow, 2015, Vol. 68, 135-152)
	dynamic time step adjustment via PID controller


HZDRmultiphaseEulerFoam


	bubble induced turbulence model of Ma et al. (Phys Rev Fluids, 2017, Vol. 2, 034301)
	drag model of Ishii and Zuber (AIChE Journal, 1979, Vol. 25, 843-855) without correction for swarm and/or viscous effects
	wall lubrication of Hosokawa et al. (ASME Joint US-European Fluids Engineering Division Conference, 2002)
	additional breakup and coalescence models for class method according to Liao et al. (Chem Eng Sci, 2015, Vol. 122, 336-349)
	degassing boundary condition (fvOption)
	configuration files and tutorials for easy setup


cipsaMultiphaseEulerFoam


	morphology adaptive modeling framework for modelling of dispersed and resolved interfaces based on Eulerian multi-field two-fluid model
	compact interpolation method according to Cubero et al. (Comput Chem Eng, 2014, Vol. 62, 96-107), including virtual mass
	numerical drag according to Strubelj and Tiselj (Int J Numer Methods Eng, 2011, Vol. 85, 575-590) to describe resolved interfaces in a volume-of-fluid like manner
	n-phase partial elimination algorithm for momentum equations to resolve strong phase coupling
	free surface turbulence damping for k-ω SST (symmetric and asymmetric damping, Frederix et al.,  Nucl Eng Des, 2018, Vol. 333, 122-130)
	selected tutorial cases:
	
		a two-dimensional gas bubble, rising in a liquid, which is laden with micro gas bubbles, and
		a two-dimensional stagnant stratification of water and oil, sharing a large-scale interface
		a two-dimensional stratified flow based on the experiment of Fabre et al. (Multiphase Sci Technol, 1987, Vol. 3, 285–301)
	
	
</dc:description>
          <dc:description>This work was supported by the Helmholtz European Partnering Program in the project "Crossing borders and scales (Crossing)"</dc:description>
          <dc:identifier>https://rodare.hzdr.de/record/795</dc:identifier>
          <dc:identifier>10.14278/rodare.795</dc:identifier>
          <dc:identifier>oai:rodare.hzdr.de:795</dc:identifier>
          <dc:language>eng</dc:language>
          <dc:relation>url:https://www.hzdr.de/publications/Publ-32194</dc:relation>
          <dc:relation>doi:10.14278/rodare.767</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/energy</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/fwd</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/hzdr</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/openfoam</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/rodare</dc:relation>
          <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
          <dc:rights>https://opensource.org/licenses/GPL-3.0</dc:rights>
          <dc:subject>Multiphase Flow</dc:subject>
          <dc:subject>Numerical Simulations</dc:subject>
          <dc:subject>OpenFOAM</dc:subject>
          <dc:subject>C++</dc:subject>
          <dc:subject>CFD</dc:subject>
          <dc:subject>Finite volume method</dc:subject>
          <dc:subject>Baseline model</dc:subject>
          <dc:subject>Multi-field two-fluid model</dc:subject>
          <dc:subject>Eulerian-Eulerian model</dc:subject>
          <dc:subject>Momentum interpolation</dc:subject>
          <dc:subject>Partial elimination algorithm</dc:subject>
          <dc:subject>Free Surface</dc:subject>
          <dc:title>HZDR Multiphase Addon for OpenFOAM</dc:title>
          <dc:type>info:eu-repo/semantics/other</dc:type>
          <dc:type>software</dc:type>
        </oai_dc:dc>
      </metadata>
    </record>
    <record>
      <header>
        <identifier>oai:rodare.hzdr.de:896</identifier>
        <datestamp>2025-12-19T07:35:41Z</datestamp>
        <setSpec>software</setSpec>
        <setSpec>user-openfoam</setSpec>
        <setSpec>user-fwd</setSpec>
        <setSpec>user-hzdr</setSpec>
        <setSpec>user-energy</setSpec>
        <setSpec>user-rodare</setSpec>
      </header>
      <metadata>
        <oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
          <dc:contributor>Couteau, Arthur</dc:contributor>
          <dc:contributor>Colombo, Marco</dc:contributor>
          <dc:contributor>Kriebitzsch, Sebastian</dc:contributor>
          <dc:contributor>Parekh, Jigar</dc:contributor>
          <dc:creator>Schlegel, Fabian</dc:creator>
          <dc:creator>Draw, Mazen</dc:creator>
          <dc:creator>Evdokimov, Ilya</dc:creator>
          <dc:creator>Hänsch, Susann</dc:creator>
          <dc:creator>Khan, Harris</dc:creator>
          <dc:creator>Lehnigk, Ronald</dc:creator>
          <dc:creator>Meller, Richard</dc:creator>
          <dc:creator>Petelin, Gašper</dc:creator>
          <dc:creator>Tekavčič, Matej</dc:creator>
          <dc:date>2021-01-26</dc:date>
          <dc:description>The HZDR multiphase addon contains additional code for the open-source CFD software OpenFOAM, released by The OpenFOAM Foundation. The developments are dedicated to the numerical simulation of multiphase flows, in particular to the multi-field two-fluid model (Euler-Euler method). Within the OpenFOAM library the multiphaseEulerFoam framework is used for this type of simulation. The addon contains a modified multiphaseEulerFoam named HZDRmultiphaseEulerFoam with the full support of the HZDR baseline model set for polydisperse bubbly flows according to Liao et al. (Chem Eng Sci, 2019, Vol. 202, 55-69). In addition a solver dedicated to a hybrid modelling approach (dispersed and resolved interfaces, Meller et al., Int J Numer Meth Fluids. 2021, Vol. 93, 748-773) named cipsaMultiphaseEulerFoam is provided with the addon. This solver has an interface to the multiphaseEulerFoam framework and utilizes all available interfacial models of it.

General enhancements


	modified turbulent wall functions of Menter according to Rzehak and Kriebitzsch (Int J Multiphase Flow, 2015, Vol. 68, 135-152)
	dynamic time step adjustment via PID controller


HZDRmultiphaseEulerFoam


	bubble induced turbulence model of Ma et al. (Phys Rev Fluids, 2017, Vol. 2, 034301)
	drag model of Ishii and Zuber (AIChE Journal, 1979, Vol. 25, 843-855) without correction for swarm and/or viscous effects
	wall lubrication of Hosokawa et al. (ASME Joint US-European Fluids Engineering Division Conference, 2002)
	additional breakup and coalescence models for class method according to Liao et al. (Chem Eng Sci, 2015, Vol. 122, 336-349)
	degassing boundary condition (fvOption)
	lift force correlation of Hessenkemper et al. (Int J Multiphase Flow, 2021, Vol. 138, 103587)
	aspect ratio correlation of Ziegenhein and Lucas (Exp. Therm. Fluid Sci., 2017, Vol. 85, 248–256)
	real pressure treatment via explicit turbulent normal stress according to Rzehak et al. (Nucl Eng Des., 2021, Vol. 374, 111079)
	configuration files and tutorials for easy setup of baseline cases


cipsaMultiphaseEulerFoam


	morphology adaptive modelling framework for predicting dispersed and resolved interfaces based on Eulerian multi-field two-fluid model
	compact momentum interpolation method according to Cubero et al. (Comput Chem Eng, 2014, Vol. 62, 96-107), including virtual mass
	numerical drag according to Strubelj and Tiselj (Int J Numer Methods Eng, 2011, Vol. 85, 575-590) to describe resolved interfaces in a volume-of-fluid like manner
	n-phase partial elimination algorithm for momentum equations to resolve strong phase coupling (Meller et al., Int J Numer Meth Fluids. 2021, Vol. 93, 748-773)
	free surface turbulence damping for k-ω SST (symmetric and asymmetric damping, Frederix et al.,  Nucl Eng Des, 2018, Vol. 333, 122-130)
	sub-grid scale modelling framework:
	
		additional LES models for the unclosed convective sub-grid scale term
		closure models for sub-grid surface tension term
	
	
	configuration files and tutorials for easy setup of hybrid cases
</dc:description>
          <dc:description>This work was supported by the Helmholtz European Partnering Program in the project "Crossing borders and scales (Crossing)"</dc:description>
          <dc:identifier>https://rodare.hzdr.de/record/896</dc:identifier>
          <dc:identifier>10.14278/rodare.896</dc:identifier>
          <dc:identifier>oai:rodare.hzdr.de:896</dc:identifier>
          <dc:language>eng</dc:language>
          <dc:relation>url:https://www.hzdr.de/publications/Publ-32161</dc:relation>
          <dc:relation>url:https://www.hzdr.de/publications/Publ-32194</dc:relation>
          <dc:relation>url:https://www.hzdr.de/publications/Publ-32323</dc:relation>
          <dc:relation>url:https://www.hzdr.de/publications/Publ-32356</dc:relation>
          <dc:relation>doi:10.14278/rodare.767</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/energy</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/fwd</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/hzdr</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/openfoam</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/rodare</dc:relation>
          <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
          <dc:rights>https://opensource.org/licenses/GPL-3.0</dc:rights>
          <dc:subject>Multiphase Flow</dc:subject>
          <dc:subject>Numerical Simulations</dc:subject>
          <dc:subject>OpenFOAM</dc:subject>
          <dc:subject>CFD</dc:subject>
          <dc:subject>Finite volume method</dc:subject>
          <dc:subject>Baseline model</dc:subject>
          <dc:subject>Multi-field two-fluid model</dc:subject>
          <dc:subject>Eulerian-Eulerian model</dc:subject>
          <dc:subject>Momentum interpolation</dc:subject>
          <dc:subject>Partial elimination algorithm</dc:subject>
          <dc:subject>Free Surface</dc:subject>
          <dc:title>HZDR Multiphase Addon for OpenFOAM</dc:title>
          <dc:type>info:eu-repo/semantics/other</dc:type>
          <dc:type>software</dc:type>
        </oai_dc:dc>
      </metadata>
    </record>
    <record>
      <header>
        <identifier>oai:rodare.hzdr.de:1125</identifier>
        <datestamp>2025-12-19T07:35:41Z</datestamp>
        <setSpec>software</setSpec>
        <setSpec>user-openfoam</setSpec>
        <setSpec>user-fwd</setSpec>
        <setSpec>user-hzdr</setSpec>
        <setSpec>user-energy</setSpec>
        <setSpec>user-rodare</setSpec>
      </header>
      <metadata>
        <oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
          <dc:contributor>Couteau, Arthur</dc:contributor>
          <dc:contributor>Colombo, Marco</dc:contributor>
          <dc:contributor>Kriebitzsch, Sebastian</dc:contributor>
          <dc:contributor>Parekh, Jigar</dc:contributor>
          <dc:creator>Schlegel, Fabian</dc:creator>
          <dc:creator>Draw, Mazen</dc:creator>
          <dc:creator>Evdokimov, Ilya</dc:creator>
          <dc:creator>Hänsch, Susann</dc:creator>
          <dc:creator>Khan, Harris</dc:creator>
          <dc:creator>Lehnigk, Ronald</dc:creator>
          <dc:creator>Meller, Richard</dc:creator>
          <dc:creator>Petelin, Gašper</dc:creator>
          <dc:creator>Tekavčič, Matej</dc:creator>
          <dc:date>2021-07-01</dc:date>
          <dc:description>The HZDR multiphase addon contains additional code for the open-source CFD software OpenFOAM, released by The OpenFOAM Foundation. The developments are dedicated to the numerical simulation of multiphase flows, in particular to the multi-field two-fluid model (Euler-Euler method). Within the OpenFOAM library the multiphaseEulerFoam framework is used for this type of simulation. The addon contains a modified multiphaseEulerFoam named HZDRmultiphaseEulerFoam with the full support of the HZDR baseline model set for polydisperse bubbly flows according to Liao et al. (Chem Eng Sci, 2019, Vol. 202, 55-69). In addition a solver dedicated to a hybrid modelling approach (dispersed and resolved interfaces, Meller et al., Int J Numer Meth Fluids. 2021, Vol. 93, 748-773) named cipsaMultiphaseEulerFoam is provided with the addon. This solver has an interface to the multiphaseEulerFoam framework and utilizes all available interfacial models of it.

General enhancements


	modified turbulent wall functions of Menter according to Rzehak and Kriebitzsch (Int J Multiphase Flow, 2015, Vol. 68, 135-152)
	dynamic time step adjustment via PID controller


HZDRmultiphaseEulerFoam


	bubble induced turbulence model of Ma et al. (Phys Rev Fluids, 2017, Vol. 2, 034301)
	drag model of Ishii and Zuber (AIChE Journal, 1979, Vol. 25, 843-855) without correction for swarm and/or viscous effects
	wall lubrication of Hosokawa et al. (ASME Joint US-European Fluids Engineering Division Conference, 2002)
	additional breakup and coalescence models for class method according to Liao et al. (Chem Eng Sci, 2015, Vol. 122, 336-349)
	degassing boundary condition (fvModel)
	lift force correlation of Hessenkemper et al. (Int J Multiphase Flow, 2021, Vol. 138, 103587)
	aspect ratio correlation of Ziegenhein and Lucas (Exp. Therm. Fluid Sci., 2017, Vol. 85, 248–256)
	real pressure treatment via explicit turbulent normal stress according to Rzehak et al. (Nucl Eng Des., 2021, Vol. 374, 111079)
	configuration files and tutorials for easy setup of baseline cases
	GPU-based accelerated computation of coalescence and breakup frequencies for the models of Lehr et al., AIChE J, 2002, Vol. 48, 2426-2443 (Petelin et al., NENE2021 conf., submitted)


cipsaMultiphaseEulerFoam


	morphology adaptive modelling framework for predicting dispersed and resolved interfaces based on Eulerian multi-field two-fluid model
	compact momentum interpolation method according to Cubero et al. (Comput Chem Eng, 2014, Vol. 62, 96-107), including virtual mass
	numerical drag according to Strubelj and Tiselj (Int J Numer Methods Eng, 2011, Vol. 85, 575-590) to describe resolved interfaces in a volume-of-fluid like manner
	n-phase partial elimination algorithm for momentum equations to resolve strong phase coupling (Meller et al., Int J Numer Meth Fluids. 2021, Vol. 93, 748-773)
	free surface turbulence damping for k-ω SST (symmetric and asymmetric damping, Frederix et al.,  Nucl Eng Des, 2018, Vol. 333, 122-130)
	sub-grid scale modelling framework:
	
		additional LES models for the unclosed convective sub-grid scale term
		closure models for sub-grid surface tension term
	
	
	configuration files and tutorials for easy setup of hybrid cases
</dc:description>
          <dc:description>This work was supported by the Helmholtz European Partnering Program in the project "Crossing borders and scales (Crossing)"</dc:description>
          <dc:identifier>https://rodare.hzdr.de/record/1125</dc:identifier>
          <dc:identifier>10.14278/rodare.1125</dc:identifier>
          <dc:identifier>oai:rodare.hzdr.de:1125</dc:identifier>
          <dc:language>eng</dc:language>
          <dc:relation>url:https://www.hzdr.de/publications/Publ-32194</dc:relation>
          <dc:relation>doi:10.14278/rodare.767</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/energy</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/fwd</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/hzdr</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/openfoam</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/rodare</dc:relation>
          <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
          <dc:rights>https://opensource.org/licenses/GPL-3.0</dc:rights>
          <dc:subject>Multiphase Flow</dc:subject>
          <dc:subject>Numerical Simulations</dc:subject>
          <dc:subject>OpenFOAM</dc:subject>
          <dc:subject>CFD</dc:subject>
          <dc:subject>Finite volume method</dc:subject>
          <dc:subject>Baseline model</dc:subject>
          <dc:subject>Multi-field two-fluid model</dc:subject>
          <dc:subject>Eulerian-Eulerian model</dc:subject>
          <dc:subject>Momentum interpolation</dc:subject>
          <dc:subject>Partial elimination algorithm</dc:subject>
          <dc:subject>Free Surface</dc:subject>
          <dc:title>HZDR Multiphase Addon for OpenFOAM</dc:title>
          <dc:type>info:eu-repo/semantics/other</dc:type>
          <dc:type>software</dc:type>
        </oai_dc:dc>
      </metadata>
    </record>
    <record>
      <header>
        <identifier>oai:rodare.hzdr.de:1877</identifier>
        <datestamp>2025-12-19T07:35:42Z</datestamp>
        <setSpec>software</setSpec>
        <setSpec>user-openfoam</setSpec>
        <setSpec>user-fwd</setSpec>
        <setSpec>user-hzdr</setSpec>
        <setSpec>user-energy</setSpec>
        <setSpec>user-rodare</setSpec>
      </header>
      <metadata>
        <oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
          <dc:contributor>Couteau, Arthur</dc:contributor>
          <dc:contributor>Colombo, Marco</dc:contributor>
          <dc:contributor>Haßlberger, Josef</dc:contributor>
          <dc:contributor>Kriebitzsch, Sebastian</dc:contributor>
          <dc:contributor>Kumaresh, Pramodh</dc:contributor>
          <dc:contributor>Parekh, Jigar</dc:contributor>
          <dc:contributor>Zhang, Tingting</dc:contributor>
          <dc:creator>Schlegel, Fabian</dc:creator>
          <dc:creator>Draw, Mazen</dc:creator>
          <dc:creator>Evdokimov, Ilya</dc:creator>
          <dc:creator>Hänsch, Susann</dc:creator>
          <dc:creator>Khan, Harris</dc:creator>
          <dc:creator>Lehnigk, Ronald</dc:creator>
          <dc:creator>Meller, Richard</dc:creator>
          <dc:creator>Petelin, Gašper</dc:creator>
          <dc:creator>Tekavčič, Matej</dc:creator>
          <dc:creator>Bilde, Kasper Gram</dc:creator>
          <dc:creator>Kamble, Vikrant Vinayak</dc:creator>
          <dc:creator>Li, Jiadong</dc:creator>
          <dc:creator>Lyu, Hongmei</dc:creator>
          <dc:creator>Kota, Sesi Preetam</dc:creator>
          <dc:date>2022-10-19</dc:date>
          <dc:description>The HZDR Multiphase Addon is a software publication released by Helmholtz-Zentrum Dresden-Rossendorf according to the FAIR principles (Findability, Accessibility, Interoperability, and Reuseability). It contains experimental research work for the open-source CFD software OpenFOAM, released by The OpenFOAM Foundation. The developments are dedicated to the numerical simulation of multiphase flows, in particular to the multi-field two-fluid model (Euler-Euler method).

Highlights of the provided addon are:


	HZDR Baseline Model: addonMultiphaseEulerFoam solver with full support of the HZDR baseline model set for polydisperse bubbly flows, including configuration files and tutorials for simplified setup of Baseline cases (Hänsch et al., 2021).
	Population Balance Modelling: A GPU-accelerated population balance method according to Petelin et al. (2021).
	OpenFOAM-Hybrid cipsaMultiphaseEulerFoam solver featuring a hybrid modelling approach (dispersed and resolved interfaces, Meller et al., 2021) with an interface to the multiphaseEulerFoam framework to utilise all available interfacial models, and configuration files and tutorials for easy setup of hybrid cases.
	more ...
</dc:description>
          <dc:description>This work was supported by the Helmholtz European Partnering Program in the project "Crossing borders and scales (Crossing)".</dc:description>
          <dc:identifier>https://rodare.hzdr.de/record/1877</dc:identifier>
          <dc:identifier>10.14278/rodare.1877</dc:identifier>
          <dc:identifier>oai:rodare.hzdr.de:1877</dc:identifier>
          <dc:language>eng</dc:language>
          <dc:relation>doi:10.1002/aic.17539</dc:relation>
          <dc:relation>doi:10.1007/s10494-021-00293-8</dc:relation>
          <dc:relation>doi:10.1016/j.ces.2021.116807</dc:relation>
          <dc:relation>url:https://www.hzdr.de/publications/Publ-32161</dc:relation>
          <dc:relation>url:https://www.hzdr.de/publications/Publ-32194</dc:relation>
          <dc:relation>url:https://www.hzdr.de/publications/Publ-32323</dc:relation>
          <dc:relation>url:https://www.hzdr.de/publications/Publ-32356</dc:relation>
          <dc:relation>doi:10.14278/rodare.767</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/energy</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/fwd</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/hzdr</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/openfoam</dc:relation>
          <dc:relation>url:https://rodare.hzdr.de/communities/rodare</dc:relation>
          <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
          <dc:rights>https://opensource.org/licenses/GPL-3.0</dc:rights>
          <dc:subject>Multiphase Flow</dc:subject>
          <dc:subject>Numerical Simulations</dc:subject>
          <dc:subject>OpenFOAM</dc:subject>
          <dc:subject>Computational Fluid Dynamics</dc:subject>
          <dc:subject>Finite volume method</dc:subject>
          <dc:subject>Baseline model</dc:subject>
          <dc:subject>Multi-field two-fluid model</dc:subject>
          <dc:subject>Euler-Euler method</dc:subject>
          <dc:subject>Momentum interpolation</dc:subject>
          <dc:subject>Partial elimination algorithm</dc:subject>
          <dc:subject>Free Surface Flows</dc:subject>
          <dc:subject>C++</dc:subject>
          <dc:subject>C</dc:subject>
          <dc:subject>CUDA</dc:subject>
          <dc:subject>Shell</dc:subject>
          <dc:subject>Python</dc:subject>
          <dc:subject>Gnuplot</dc:subject>
          <dc:title>HZDR Multiphase Addon for OpenFOAM</dc:title>
          <dc:type>info:eu-repo/semantics/other</dc:type>
          <dc:type>software</dc:type>
        </oai_dc:dc>
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