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{
// Standard face-flux compression coefficient
surfaceScalarField phic(interface.cAlpha()*mag(phi/mesh.magSf()));
// Add the optional isotropic compression contribution
if (icAlpha > 0)
{
phic *= (1.0 - icAlpha);
phic += (interface.cAlpha()*icAlpha)*fvc::interpolate(mag(U));
}
volScalarField divU(fvc::div(phi));
if (nAlphaSubCycles > 1)
{
dimensionedScalar totalDeltaT = runTime.deltaT();
surfaceScalarField rhoPhiSum("rhoPhiSum", rhoPhi);
for
(
subCycle<volScalarField> alphaSubCycle(alpha1, nAlphaSubCycles);
!(++alphaSubCycle).end();
)
{
#include "alphaEqn.H"
rhoPhiSum += (runTime.deltaT()/totalDeltaT)*rhoPhi;
}
rhoPhi = rhoPhiSum;
}
else
{
#include "alphaEqn.H"
}
rho == alpha1*rho1 + alpha2*rho2;
}
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