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foam-extend4.1-coherent-io/applications/solvers/overset/pimpleDyMOversetFoam/pEqn.H

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{
p.boundaryField().updateCoeffs();
rAU = 1.0/UEqn.A();
oversetFvPatchScalarField::oversetInterpolate(rAU); // Overset update
surfaceScalarField rAUf = fvc::interpolate(rAU);
U = rAU*UEqn.H();
oversetFvPatchVectorField::oversetInterpolate(U); // Overset update
surfaceScalarField phiU
(
"phiU",
fvc::interpolate(U) & mesh.Sf()
);
phi = phiU;
// Adjust overset fluxes
oversetAdjustPhi(phi, U); // Fringe flux adjustment
globalOversetAdjustPhi(phi, U, p); // Global flux adjustment
while (pimple.correctNonOrthogonal())
{
fvScalarMatrix pEqn
(
fvm::laplacian(rAUf, p) == fvc::div(phi)
);
// Adjust non-orthogonal fringe fluxes if necessary
om.correctNonOrthoFluxes(pEqn, U);
pEqn.setReference(pRefCell, pRefValue);
if
(
pimple.corrPISO() == pimple.nCorrPISO()
&& pimple.finalNonOrthogonalIter()
)
{
pEqn.solve(mesh.solutionDict().solver("pFinal"));
}
else
{
pEqn.solve();
}
if (pimple.finalNonOrthogonalIter())
{
phi -= pEqn.flux();
}
// Perform overset interpolation (after flux reconstruction)
oversetFvPatchScalarField::oversetInterpolate(p);
}
# include "oversetContinuityErrs.H"
// Explicitly relax pressure for momentum corrector
if (!pimple.finalIter())
{
p.relax();
}
# include "movingMeshContinuityErrs.H"
U += rAU*fvc::reconstruct((phi - phiU)/rAUf);
U.correctBoundaryConditions();
oversetFvPatchVectorField::oversetInterpolate(U); // Overset update
// Note: if implicit fringe is switched on, we are doing the interpolation
// twice (once in correctBoundaryConditions and once in oversetInterpolate)
// Reorganize. VV, 4/Oct/2016.
// Make the fluxes relative to the mesh motion
fvc::makeRelative(phi, U);
}