This repository has been archived on 2023-11-20. You can view files and clone it, but cannot push or open issues or pull requests.
foam-extend4.1-coherent-io/applications/solvers/compressible/steadyUniversalMRFFoam/iEqn.H

45 lines
1.2 KiB
C

{
// Create relative velocity
Urel == U;
mrfZones.relativeVelocity(Urel);
// Bound the relative velocity to preserve the i to h conversion bound
// HJ, 22/Mar/2017
volScalarField magUrel = mag(Urel);
if (max(magUrel) > UMax)
{
volScalarField UrelLimiter = pos(magUrel - UMax)*UMax/(magUrel + smallU)
+ neg(magUrel - UMax);
UrelLimiter.max(scalar(0));
UrelLimiter.min(scalar(1));
Urel *= UrelLimiter;
Urel.correctBoundaryConditions();
}
// Create rotational velocity (= omega x r)
Urot == U - Urel;
fvScalarMatrix iEqn
(
fvm::div(phi, i)
+ fvm::SuSp(-fvc::div(phi), i)
- fvm::laplacian(turbulence->alphaEff(), i)
==
// Viscous heating: note sign (devRhoReff has a minus in it)
- (turbulence->devRhoReff() && fvc::grad(U))
);
iEqn.relax();
iEqn.solve();
// From rothalpy, calculate enthalpy after solution of rothalpy equation
h = i + 0.5*(magSqr(Urot) - magSqr(Urel));
h.correctBoundaryConditions();
// Update thermo for new h
thermo.correct();
psis = thermo.psi()/thermo.Cp()*thermo.Cv();
}