52 lines
1.2 KiB
C
52 lines
1.2 KiB
C
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p.boundaryField().updateCoeffs();
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volScalarField AU = UEqn().A();
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U = UEqn().H()/AU;
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// Immersed boundary update
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U.correctBoundaryConditions();
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UEqn.clear();
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phi = faceIbMask*(fvc::interpolate(U) & mesh.Sf());
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// Adjust immersed boundary fluxes
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immersedBoundaryAdjustPhi(phi, U);
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adjustPhi(phi, U, p);
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// Non-orthogonal pressure corrector loop
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for (int nonOrth=0; nonOrth<=nNonOrthCorr; nonOrth++)
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{
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fvScalarMatrix pEqn
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(
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fvm::laplacian(1.0/AU, p) == fvc::div(phi)
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);
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pEqn.setReference(pRefCell, pRefValue);
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// Retain the residual from the first iteration
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if (nonOrth == 0)
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{
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eqnResidual = pEqn.solve().initialResidual();
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maxResidual = max(eqnResidual, maxResidual);
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}
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else
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{
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pEqn.solve();
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}
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if (nonOrth == nNonOrthCorr)
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{
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phi -= pEqn.flux();
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}
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}
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# include "immersedBoundaryContinuityErrs.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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U -= fvc::grad(p)/AU;
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U.correctBoundaryConditions();
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