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release on 2012-07-17_15-53-04

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<HTML>
<CENTER><A HREF = "http://www.cfdem.com">CFDEMproject WWW Site</A> - <A HREF = "CFDEMcoupling_Manual.html#comm">CFDEM Commands</A>
</CENTER>
<HR>
<H3>forceModel_virtualMassForce command
</H3>
<P><B>Syntax:</B>
</P>
<P>Defined in couplingProperties dictionary.
</P>
<PRE>forceModels
(
virtualMassForce
);
virtualMassForceProps
{
velFieldName "U";
densityFieldName "density";
};
</PRE>
<UL><LI><I>U</I> = name of the finite volume fluid velocity field
<LI><I>density</I> = name of the finite volume fluid density field
</UL>
<P><B>Examples:</B>
</P>
<PRE>forceModels
(
virtualMassForce
);
virtualMassForceProps
{
velFieldName "U";
densityFieldName "rho";
}
</PRE>
<P><B>Description:</B>
</P>
<P>The force model performs the calculation of forces (e.g. fluid-particle interaction forces) acting on each DEM particle. The virtualMassForce model calculates the virtual mass force for each particle.
</P>
<P><B>Restrictions:</B>
</P>
<P>Model not validated!
</P>
<P><B>Related commands:</B>
</P>
<P><A HREF = "forceModel.html">forceModel</A>
</P>
</HTML>