54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
{
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p.boundaryField().updateCoeffs();
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// Prepare clean 1/Ap without contribution from under-relaxation
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// HJ, 26/Oct/2015
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volScalarField rAU
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(
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"(1|A(U))",
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1/HUEqn().A()
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);
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// Update boundary velocity for consistency with the flux
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// This is needed for a ramped MRF
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mrfZones.correctBoundaryVelocity(U);
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// Store velocity under-relaxation point before using U for
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// the flux precursor
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U.storePrevIter();
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U = rAU*HUEqn().H();
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HUEqn.clear();
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phi = fvc::interpolate(U) & mesh.Sf();
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mrfZones.relativeFlux(phi);
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adjustPhi(phi, U, p);
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// Non-orthogonal pressure corrector loop
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while (simple.correctNonOrthogonal())
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{
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fvScalarMatrix pEqn
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(
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fvm::laplacian(rAU, p) == fvc::div(phi)
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);
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pEqn.setReference(pRefCell, pRefValue);
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pEqn.solve();
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if (simple.finalNonOrthogonalIter())
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{
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phi -= pEqn.flux();
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}
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}
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# include "continuityErrs.H"
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// Explicitly relax pressure for momentum corrector
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p.relax();
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// Momentum corrector
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// Note: since under-relaxation does not change aU, H/a in U can be
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// re-used. HJ, 22/Jan/2016
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U = UUrf*(U - rAU*fvc::grad(p)) + (1 - UUrf)*U.prevIter();
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U.correctBoundaryConditions();
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}
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