360fd3f804
Following a rationalisation of the Courant number used to set the LTS time-step the LTS settings needed to be changed to improve convergence.
115 lines
2.1 KiB
C++
115 lines
2.1 KiB
C++
/*--------------------------------*- C++ -*----------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration | Website: https://openfoam.org
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\\ / A nd | Version: dev
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\\/ M anipulation |
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\*---------------------------------------------------------------------------*/
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FoamFile
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{
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format ascii;
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class dictionary;
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location "system";
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object fvSolution;
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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solvers
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{
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"alpha.water.*"
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{
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nAlphaCorr 2;
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nAlphaSubCycles 1;
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MULESCorr yes;
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nLimiterIter 5;
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alphaApplyPrevCorr yes;
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solver smoothSolver;
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smoother symGaussSeidel;
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tolerance 1e-8;
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relTol 0;
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minIter 1;
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}
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"pcorr.*"
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{
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solver PCG;
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preconditioner
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{
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preconditioner GAMG;
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smoother GaussSeidel;
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tolerance 1e-5;
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relTol 0;
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};
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tolerance 1e-5;
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relTol 0;
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};
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p_rgh
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{
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solver GAMG;
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smoother DIC;
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tolerance 1e-7;
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relTol 0.01;
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};
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p_rghFinal
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{
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$p_rgh;
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relTol 0;
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}
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"(U|k|omega).*"
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{
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solver smoothSolver;
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smoother symGaussSeidel;
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nSweeps 1;
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tolerance 1e-7;
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relTol 0.1;
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minIter 1;
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};
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}
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PIMPLE
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{
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momentumPredictor no;
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nOuterCorrectors 1;
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nCorrectors 2;
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nNonOrthogonalCorrectors 0;
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maxCo 10;
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maxAlphaCo 1;
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rDeltaTSmoothingCoeff 0.05;
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rDeltaTDampingCoeff 0.5;
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nAlphaSpreadIter 0;
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nAlphaSweepIter 0;
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maxDeltaT 1;
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}
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relaxationFactors
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{
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equations
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{
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".*" 1;
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}
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}
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cache
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{
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grad(U);
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}
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// ************************************************************************* //
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