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foam-extend4.1-coherent-io/applications/solvers/compressible/steadyCompressibleSRFFoam/iEqn.H
Hrvoje Jasak 9daa8e28f4 Updated enthalpy equation
Conflicts:
	applications/solvers/compressible/steadyCompressibleFoam/pEqn.H
2016-01-05 14:51:40 +00:00

41 lines
1 KiB
C

{
// Solve the enthalpy equation
T.storePrevIter();
// Calculate face velocity from flux
surfaceScalarField faceU
(
"faceU",
phi/fvc::interpolate(rho) + (SRF->faceU() & mesh.Sf())
);
fvScalarMatrix iEqn
(
fvm::ddt(rho, i)
+ fvm::div(phi, i)
- fvm::laplacian(turbulence->alphaEff(), i)
==
// ddt(p) term removed: steady-state. HJ, 27/Apr/2010
fvc::div(faceU, p, "div(U,p)")
- p*fvc::div(faceU))
// Viscous heating: note sign (devRhoReff has a minus in it)
- (turbulence->devRhoReff() && fvc::grad(Urel))
);
iEqn.relax();
eqnResidual = iEqn.solve().initialResidual();
maxResidual = max(eqnResidual, maxResidual);
// Calculate enthalpy out of rothalpy
volVectorField Urot("Urot", SRF->U());
h = i + 0.5*magSqr(Urot);
h.correctBoundaryConditions();
// Re-initialise rothalpy based on limited enthalpy
i = h - 0.5*magSqr(Urot);
// Bounding of enthalpy taken out
thermo.correct();
}