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foam-extend4.1-coherent-io/applications/solvers/compressible/steadyCompressibleSRFFoam/UEqn.H

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C

// Solve the momentum equation
Urel.storePrevIter();
fvVectorMatrix UrelEqn
(
fvm::ddt(rho, Urel)
+ fvm::div(phi, Urel)
+ turbulence->divDevRhoReff(Urel)
+ rho*SRF->Su()
);
UrelEqn.relax();
solve(UrelEqn == -fvc::grad(p));