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foam-extend4.1-coherent-io/applications/solvers/compressible/steadyUniversalFoam/hEqn.H

35 lines
755 B
C++

{
// Solve the enthalpy equation
// Calculate face velocity from flux
surfaceScalarField faceU
(
"faceU",
phi/fvc::interpolate(rho)
);
fvScalarMatrix hEqn
(
fvm::ddt(rho, h)
+ fvm::div(phi, h)
- fvm::laplacian(turbulence->alphaEff(), h)
==
fvc::div(faceU, p, "div(U,p)")
- p*fvc::div(faceU)
// ddt(p) term removed: steady-state. HJ, 27/Apr/2010
// Viscous heating: note sign (devRhoReff has a minus in it)
- (turbulence->devRhoReff() && fvc::grad(U))
);
hEqn.relax();
hEqn.solve();
// Bounding of enthalpy taken out
thermo.correct();
if (compressible)
{
psis = thermo.psi()/thermo.Cp()*thermo.Cv();
}
}