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Forum: OpenFOAM Running, Solving & CFD

January 19, 2008, 06:23

Replies: 7

Courant number and implicit treatment

Views: 13,560

Posted By ariorus

Sorry probably I was unclear,

Sorry probably I was unclear, I'm trying to explain it better. Anyway please correct me something is not correct.

icofoam PISO algorithm:

1) momentum equations are used in an implicit way...

Forum: OpenFOAM Running, Solving & CFD

January 18, 2008, 11:24

Replies: 7

Courant number and implicit treatment

Views: 13,560

Posted By ariorus

Hi, pressure and velocity a

Hi,

pressure and velocity are strongly coupled and so PISO needs a correction loop, but the momentum equations are considered "frozen" even if velocity and pressure are corrected in the loop, so...

Forum: OpenFOAM Running, Solving & CFD

January 18, 2008, 06:47

Replies: 7

Courant number and implicit treatment

Views: 13,560

Posted By ariorus

Hello, you have also to not

Hello,

you have also to notice that in icofoam the algorithm considers weak non linear coupling in momentum equations with respect to pressure velocity coupling: this is why momentum equations...

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