Evaluate an impicit term
I have a question concerning the handling of implicit terms. I added a term to my Ueqn and the solver should handle this term implicit. But I want to have this term as a field which should be written to a file for postprocessing. Is there a way to evaluate only this term?
tmp<fvVectorMatrix> greenWood2::dragForce(volVectorField& U) const
And now I want a field which contains mag(U)*U but I dont want to implement a second function. The reason is error avoiding. If I will make a change on my dragForce function I always have to remember to change the second function too. So one place, one equation but I need an idea how to evaluate a fvVectorMatrix :-D
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