Software Open Access
Schlegel, Fabian;
Draw, Mazen;
Evdokimov, Ilya;
Hänsch, Susann;
Khan, Harris;
Lehnigk, Ronald;
Meller, Richard;
Petelin, Gašper;
Tekavčič, Matej
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<dct:title>HZDR Multiphase Addon for OpenFOAM</dct:title>
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<dcat:keyword>Multiphase Flow</dcat:keyword>
<dcat:keyword>Numerical Simulations</dcat:keyword>
<dcat:keyword>OpenFOAM</dcat:keyword>
<dcat:keyword>CFD</dcat:keyword>
<dcat:keyword>Finite volume method</dcat:keyword>
<dcat:keyword>Baseline model</dcat:keyword>
<dcat:keyword>Multi-field two-fluid model</dcat:keyword>
<dcat:keyword>Eulerian-Eulerian model</dcat:keyword>
<dcat:keyword>Momentum interpolation</dcat:keyword>
<dcat:keyword>Partial elimination algorithm</dcat:keyword>
<dcat:keyword>Free Surface</dcat:keyword>
<dct:issued rdf:datatype="http://www.w3.org/2001/XMLSchema#date">2021-01-26</dct:issued>
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<dct:description><p>The HZDR multiphase addon contains additional code for the open-source CFD software OpenFOAM, released by <a href="http://www.openfoam.org">The OpenFOAM Foundation</a>. 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 <em>HZDRmultiphaseEulerFoam</em> with the full support of the HZDR baseline model set for polydisperse bubbly flows according to Liao et al. (<a href="https://doi.org/10.1016/j.ces.2019.03.007">Chem Eng Sci, 2019, Vol. 202, 55-69</a>). In addition a solver dedicated to a hybrid modelling approach (dispersed and resolved interfaces, Meller et al., <a href="https://doi.org/10.1002/fld.4907">Int J Numer Meth Fluids. 2021, Vol. 93, 748-773</a>) named <em>cipsaMultiphaseEulerFoam</em> is provided with the addon. This solver has an interface to the <em>multiphaseEulerFoam</em> framework and utilizes all available interfacial models of it.</p> <p><strong>General enhancements</strong></p> <ul> <li>modified turbulent wall functions of Menter according to Rzehak and Kriebitzsch (<a href="http://dx.doi.org/10.1016/j.ijmultiphaseflow.2014.09.005">Int J Multiphase Flow, 2015, Vol. 68, 135-152</a>)</li> <li>dynamic time step adjustment via PID controller</li> </ul> <p><strong>HZDRmultiphaseEulerFoam</strong></p> <ul> <li>bubble induced turbulence model of Ma et al. (<a href="https://doi.org/10.1103/PhysRevFluids.2.034301">Phys Rev Fluids, 2017, Vol. 2, 034301</a>)</li> <li>drag model of Ishii and Zuber (<a href="https://doi.org/10.1002/aic.690250513">AIChE Journal, 1979, Vol. 25, 843-855</a>) without correction for swarm and/or viscous effects</li> <li>wall lubrication of Hosokawa et al. (<a href="https://doi.org/10.1115/FEDSM2002-31148">ASME Joint US-European Fluids Engineering Division Conference, 2002</a>)</li> <li>additional breakup and coalescence models for class method according to Liao et al. (<a href="https://doi.org/10.1016/j.ces.2014.09.042">Chem Eng Sci, 2015, Vol. 122, 336-349</a>)</li> <li>degassing boundary condition (fvOption)</li> <li>lift force correlation of Hessenkemper et al. (<a href="https://doi.org/10.1016/j.ijmultiphaseflow.2021.103587">Int J Multiphase Flow, 2021, Vol. 138, 103587</a>)</li> <li>aspect ratio correlation of Ziegenhein and Lucas (<a href="https://doi.org/10.1016/j.expthermflusci.2017.03.009">Exp. Therm. Fluid Sci., 2017, Vol. 85, 248&ndash;256</a>)</li> <li>real pressure treatment via explicit turbulent normal stress according to Rzehak et al. (<a href="https://doi.org/10.1016/j.nucengdes.2021.111079">Nucl Eng Des., 2021, Vol. 374, 111079</a>)</li> <li>configuration files and tutorials for easy setup of baseline cases</li> </ul> <p><strong>cipsaMultiphaseEulerFoam</strong></p> <ul> <li>morphology adaptive modelling framework for predicting dispersed and resolved interfaces based on Eulerian multi-field two-fluid model</li> <li>compact momentum interpolation method according to Cubero et al. (<a href="https://doi.org/10.1016/j.compchemeng.2013.12.002">Comput Chem Eng, 2014, Vol. 62, 96-107</a>), including virtual mass</li> <li>numerical drag according to Strubelj and Tiselj (<a href="https://doi.org/10.1002/nme.2978">Int J Numer Methods Eng, 2011, Vol. 85, 575-590</a>) to describe resolved interfaces in a volume-of-fluid like manner</li> <li>n-phase partial elimination algorithm for momentum equations to resolve strong phase coupling (Meller et al., <a href="https://doi.org/10.1002/fld.4907">Int J Numer Meth Fluids. 2021, Vol. 93, 748-773</a>)</li> <li>free surface turbulence damping for k-&omega; SST (symmetric and asymmetric damping, Frederix et al., <a href="https://doi.org/10.1016/j.nucengdes.2018.04.010"> Nucl Eng Des, 2018, Vol. 333, 122-130</a>)</li> <li>sub-grid scale modelling framework: <ul> <li>additional LES models for the unclosed convective sub-grid scale term</li> <li>closure models for sub-grid surface tension term</li> </ul> </li> <li>configuration files and tutorials for easy setup of hybrid cases</li> </ul></dct:description>
<dct:description xml:lang="">This work was supported by the Helmholtz European Partnering Program in the project "Crossing borders and scales (Crossing)"</dct:description>
<dct:description xml:lang="">{"references": ["Meller, R., Schlegel, F., & Lucas, D. (2020). Basic verification of a numerical framework applied to a morphology adaptive multifield two\u2010fluid model considering bubble motions. International Journal for Numerical Methods in Fluids."]}</dct:description>
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