Questions about the fvc and fvm
Hi, I am writing a code which need to generate the fvc space from fvm matrix.
For example, I have
- fvm::laplacian(nu, U)
How could I get the same geometricField (fvc::ddt(U)+fvc::div(phi, U)-fvc::laplacian(nu,U)+fvc::grad(p))) just use fvmatrix UEqn and volVectorField U?
I just do the UEqn.Amul for the internalField and add the aboundary terms, but I get different result. Anyone can help me to know hwo to do this?
Thank you very much.
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