48 lines
1 KiB
C
48 lines
1 KiB
C
// Pressure parts of the continuity equation
|
|
tmp<fvScalarMatrix> tpEqn;
|
|
tmp<surfaceScalarField> tpresSource;
|
|
|
|
if (addMRF || addPorosity)
|
|
{
|
|
// Collect pressure source with tensorial 1/Ap
|
|
const volTensorField& rTU = trTU();
|
|
|
|
tpresSource =
|
|
(
|
|
(mesh.Sf() & fvc::interpolate(rTU))
|
|
& fvc::interpolate(fvc::grad(p))
|
|
);
|
|
const surfaceScalarField& presSource = tpresSource();
|
|
|
|
// Assemble pressure matrix with tensorial 1/Ap
|
|
tpEqn =
|
|
(
|
|
- fvm::laplacian(rTU, p)
|
|
==
|
|
- fvc::div(presSource)
|
|
);
|
|
}
|
|
else
|
|
{
|
|
// Collect pressure source with scalar 1/Ap
|
|
const volScalarField& rAU = trAU();
|
|
|
|
tpresSource =
|
|
(
|
|
fvc::interpolate(rAU)*
|
|
(mesh.Sf() & fvc::interpolate(fvc::grad(p, "grad(pSource)")))
|
|
);
|
|
const surfaceScalarField& presSource = tpresSource();
|
|
|
|
// Assemble pressure matrix with tensorial 1/Ap
|
|
tpEqn =
|
|
(
|
|
- fvm::laplacian(rAU, p)
|
|
==
|
|
- fvc::div(presSource)
|
|
);
|
|
}
|
|
|
|
tpEqn().setReference(pRefCell, pRefValue);
|
|
|
|
UpEqn.insertEquation(3, tpEqn());
|