127 lines
2.7 KiB
C
127 lines
2.7 KiB
C
rho = thermo.rho();
|
|
rho = max(rho, rhoMin);
|
|
rho = min(rho, rhoMax);
|
|
rho.relax();
|
|
|
|
volScalarField rAU(1.0/UEqn.A());
|
|
volScalarField rAtU(1.0/(1.0/rAU - UEqn.H1()));
|
|
volVectorField HbyA(constrainHbyA(rAU*UEqn.H(), U, p));
|
|
|
|
if (pimple.nCorrPISO() <= 1)
|
|
{
|
|
tUEqn.clear();
|
|
}
|
|
|
|
if (pimple.transonic())
|
|
{
|
|
surfaceScalarField phid
|
|
(
|
|
"phid",
|
|
fvc::interpolate(psi)
|
|
*(
|
|
fvc::flux(HbyA)
|
|
+ fvc::interpolate(rho*rAU)*fvc::ddtCorr(rho, U, phi)
|
|
/fvc::interpolate(rho)
|
|
)
|
|
);
|
|
|
|
MRF.makeRelative(fvc::interpolate(psi), phid);
|
|
|
|
surfaceScalarField phic
|
|
(
|
|
"phic",
|
|
fvc::interpolate(rho*(rAtU - rAU))*fvc::snGrad(p)*mesh.magSf()
|
|
);
|
|
|
|
HbyA -= (rAU - rAtU)*fvc::grad(p);
|
|
|
|
volScalarField rhorAtU("rhorAtU", rho*rAtU);
|
|
|
|
while (pimple.correctNonOrthogonal())
|
|
{
|
|
fvScalarMatrix pEqn
|
|
(
|
|
fvm::ddt(psi, p)
|
|
+ fvm::div(phid, p)
|
|
+ fvc::div(phic)
|
|
- fvm::laplacian(rhorAtU, p)
|
|
==
|
|
fvOptions(psi, p, rho.name())
|
|
);
|
|
|
|
pEqn.solve(mesh.solver(p.select(pimple.finalInnerIter())));
|
|
|
|
if (pimple.finalNonOrthogonalIter())
|
|
{
|
|
phi == phic + pEqn.flux();
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
surfaceScalarField phiHbyA
|
|
(
|
|
"phiHbyA",
|
|
(
|
|
fvc::flux(rho*HbyA)
|
|
+ fvc::interpolate(rho*rAU)*fvc::ddtCorr(rho, U, phi)
|
|
)
|
|
);
|
|
|
|
MRF.makeRelative(fvc::interpolate(rho), phiHbyA);
|
|
|
|
phiHbyA += fvc::interpolate(rho*(rAtU - rAU))*fvc::snGrad(p)*mesh.magSf();
|
|
HbyA -= (rAU - rAtU)*fvc::grad(p);
|
|
|
|
volScalarField rhorAtU("rhorAtU", rho*rAtU);
|
|
|
|
// Update the pressure BCs to ensure flux consistency
|
|
constrainPressure(p, rho, U, phiHbyA, rhorAtU, MRF);
|
|
|
|
while (pimple.correctNonOrthogonal())
|
|
{
|
|
fvScalarMatrix pEqn
|
|
(
|
|
fvm::ddt(psi, p)
|
|
+ fvc::div(phiHbyA)
|
|
- fvm::laplacian(rhorAtU, p)
|
|
==
|
|
fvOptions(psi, p, rho.name())
|
|
);
|
|
|
|
pEqn.solve(mesh.solver(p.select(pimple.finalInnerIter())));
|
|
|
|
if (pimple.finalNonOrthogonalIter())
|
|
{
|
|
phi = phiHbyA + pEqn.flux();
|
|
}
|
|
}
|
|
}
|
|
|
|
#include "rhoEqn.H"
|
|
#include "compressibleContinuityErrs.H"
|
|
|
|
// Explicitly relax pressure for momentum corrector
|
|
p.relax();
|
|
|
|
U = HbyA - rAtU*fvc::grad(p);
|
|
U.correctBoundaryConditions();
|
|
fvOptions.correct(U);
|
|
K = 0.5*magSqr(U);
|
|
|
|
if (thermo.dpdt())
|
|
{
|
|
dpdt = fvc::ddt(p);
|
|
}
|
|
|
|
// Recalculate density from the relaxed pressure
|
|
rho = thermo.rho();
|
|
rho = max(rho, rhoMin);
|
|
rho = min(rho, rhoMax);
|
|
|
|
if (!pimple.transonic())
|
|
{
|
|
rho.relax();
|
|
}
|
|
|
|
Info<< "rho max/min : " << max(rho).value() << " " << min(rho).value() << endl;
|