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Best FVschemes for LES in interPhaseChangeFoam

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Old   August 19, 2019, 08:49
Default Best FVschemes for LES in interPhaseChangeFoam
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chandra shekhar pant
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Hello all,

I am trying to simulate the cavitating aerofoil in interPhaseChangeFoam. Could anyone suggest what is the best fvschemes for this, as of now I am using:
divSchemes as:



divSchemes
{
default none;
div(rhoPhi,U) Gauss LUST grad(U);
div(phi,k) Gauss LUST grad(k);
div(phi,alpha) Gauss vanLeer;
div(phirb,alpha) Gauss linear;
div(((rho*nuEff)*dev2(T(grad(U))))) Gauss linear;
}

Another issue:

If I am using coarse grid it is running fine but with the increase in refinement, it crashes, for coarser grid deltaT = 1e-8; and for finer grid using deltaT=1e-9.


Many thanks for the help!
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