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ddtScheme::fvcDdtPhiCoeff: Improved formulation providing better stability/accuracy balance

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Resolves problem with pressure "staggering" when running with a very Courant
number.
This commit is contained in:
Henry Weller
2018-01-08 21:35:00 +00:00
parent 8b44230384
commit da787200a6
10 changed files with 508 additions and 74 deletions
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4
applications/solvers/electromagnetics/mhdFoam/mhdFoam.C
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@ -2,7 +2,7 @@
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011-2016 OpenFOAM Foundation
\\ / A nd | Copyright (C) 2011-2018 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
@ -145,7 +145,7 @@ int main(int argc, char *argv[])
volScalarField rAB(1.0/BEqn.A());
surfaceScalarField rABf("rABf", fvc::interpolate(rAB));
phiB = fvc::flux(B) + rABf*fvc::ddtCorr(B, phiB);
phiB = fvc::flux(B);
while (bpiso.correctNonOrthogonal())
{