to linearize the convective term in OF...
Hi there,
I have to insert in the equation this term: (U_j+Ug_j)*d(U_i+Ug_i)/dx_j where Ug_i are the components of a given velocity field and U_j are the component of the velocity I want to solve to. This above is the convective term in the expression "u*grad(u)"-like. I know OF prefers the "div(u X u)" form and even that a volume velocity flux "phi" must be introduced. By the way in the case of the given Ug velocity field I even have its flux field, and they do not change in the PISO scheme... -how can I do? Is it possible? -How does the pressure equation change? Thank you in advance! |
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