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83 lines
2.4 KiB
Plaintext
83 lines
2.4 KiB
Plaintext
"CFDEMproject Website"_lws - "Main Page"_main :c
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:link(lws,http://www.cfdem.com)
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:link(main,CFDEMcoupling_Manual.html)
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:line
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forceModel virtualMassForce command :h3
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[Syntax:]
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Defined in "couplingProperties"_CFDEMcoupling_dicts.html#couplingProperties
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dictionary.
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forceModels
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(
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virtualMassForce
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);
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virtualMassForceProps
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\{
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velFieldName "U";
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voidfractionFieldName "voidfraction";
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UsFieldName "Us";
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phiFieldName "phi";
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splitUrelCalculation switch1;
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useUs switch2;
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useFelderhof switch3;
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Cadd scalar1;
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treatForceExplicit switch4;
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interpolation switch5;
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smoothingModel "smoothingModel";
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\} :pre
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{U} = name of the finite volume fluid velocity field :ulb,l
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{voidfraction} = name of the finite volume void fraction field :l
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{Us} = name of the finite volume cell averaged particle velocity field :l
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{phi} = name of the finite volume flux field :l
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{switch1} = (optional, default false) indicator to split calculation of Urel between CFDEM and LIGGGHTS :l
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{switch2} = (optional, default false) indicator to use the cell-averaged particle velocity Us for calculation of Urel :l
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{switch3} = (optional, default false) indicator to use the correlation by Felderhof for the virtual mass coefficient :l
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{scalar1} = (optional, default 0.5) virtual mass coefficient :l
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{switch4} = (optional, default true) sub model switch, see "forceSubModel"_forceSubModel.html for details :l
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{switch5} = (optional, default false) sub model switch, see "forceSubModel"_forceSubModel.html for details :l
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{smoothingModel} = name of smoothing model for the DU/Dt field :l
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:ule
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[Examples:]
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forceModels
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(
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virtualMassForce
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);
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virtualMassForceProps
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\{
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velFieldName "U";
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voidfractionFieldName "voidfraction"
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USFieldName "Us"
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phiFieldName "phi";
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smoothingModel off;
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\} :pre
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[Description:]
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The force model performs the calculation of forces (e.g. fluid-particle
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interaction forces) acting on each DEM particle. The {virtualMassForce} model
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calculates the virtual mass force for each particle.
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For more detail, see "Nijssen et al. (2020)"_#Nijssen2020.
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:link(Nijssen2020)
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[(Nijssen2020)] T.M.J. Nijssen, J.A.M. Kuipers, J. van der Stel, A.T. Adema, K.A. Buist. (2020):
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"Complete liquid-solid momentum coupling for unresolved CFD-DEM simulations",
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International Journal of Multiphase Flow
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[Restrictions:]
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IMPORTANT NOTE: Model not validated!
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[Related commands:]
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"forceModel"_forceModel.html
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