48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
p.boundaryField().updateCoeffs();
|
|
|
|
// Prepare clean 1/Ap without contribution from under-relaxation
|
|
// HJ, 26/Oct/2015
|
|
volScalarField rUA
|
|
(
|
|
"(1|A(Urel))",
|
|
1/HUrelEqn().A()
|
|
);
|
|
|
|
// Store velocity under-relaxation point before using U for the flux
|
|
// precursor
|
|
Urel.storePrevIter();
|
|
|
|
Urel = rUA*HUrelEqn().H();
|
|
HUrelEqn.clear();
|
|
phi = fvc::interpolate(Urel) & mesh.Sf();
|
|
|
|
// Global flux balance
|
|
adjustPhi(phi, Urel, p);
|
|
|
|
// Non-orthogonal pressure corrector loop
|
|
for (int nonOrth = 0; nonOrth <= nNonOrthCorr; nonOrth++)
|
|
{
|
|
fvScalarMatrix pEqn
|
|
(
|
|
fvm::laplacian(rUA, p) == fvc::div(phi)
|
|
);
|
|
|
|
pEqn.setReference(pRefCell, pRefValue);
|
|
pEqn.solve();
|
|
|
|
if (nonOrth == nNonOrthCorr)
|
|
{
|
|
phi -= pEqn.flux();
|
|
}
|
|
}
|
|
|
|
# include "continuityErrs.H"
|
|
|
|
// Explicitly relax pressure for momentum corrector
|
|
p.relax();
|
|
|
|
// Momentum corrector
|
|
// Note: since under-relaxation does not change aU, H/a in U can be
|
|
// re-used. HJ, 22/Jan/2016
|
|
Urel = UUrf*(Urel - rUA*fvc::grad(p)) + (1 - UUrf)*Urel.prevIter();
|
|
Urel.correctBoundaryConditions();
|