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