Hi together, I am currently
I am currently working on understanding the basics of the solver code. I am a litte bit familar with programming, but do not understand e.g.
For me its clear that some fuction A,H,AU... will act on the momentum equation, but where is the function defined. I already searched in the source guide but can not find A or H. I am sure someone can tell me the right procedure for understanding this
Thanks a lot
This is part of the PISO algor
This is part of the PISO algorithm. The momentum equation can be written as
a_p U_p = H(U) - grad(p)
for a point p. We need to be able to rearange this to solve it. .A() and .H() give access to the relevant components; roughly the diagonal of the matrix and the off-diagonal non-pressure components, respectively.
.Sf() gives the face normal vectors IIRC
Thanks Gavin, but this was
but this was clear to me. I want to know where to find the definitions of A()... inside the code
Dear Marc, Try rummaging ar
Try rummaging around in OpenFOAM-1.5/src/finiteVolume/fvMatrices
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