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Forum: OpenFOAM Running, Solving & CFD

July 19, 2009, 07:28

Replies: 29

Phase change with VOF

Views: 18,314

Posted By sandy

div(U) = (vDotcP-vDotvP) * (p - pSat) So,...

div(U) = (vDotcP-vDotvP) * (p - pSat)

So, to pEqn of interPhaseChangeFoam, the Sp of source term is {(vDotcP-vDotvP) * p} and Su is {-(vDotcP-vDotvP) * pSat}.

However, in pEqn.H, the U is the...

Forum: OpenFOAM Running, Solving & CFD

July 16, 2009, 08:42

Replies: 29

Phase change with VOF

Views: 18,314

Posted By sandy

I think, in interphasechangefoam, the source term...

I think, in interphasechangefoam, the source term is that the terms vDotcP and vDotvP are divided by the rho (1/rho1 - 1/rho2), so

div(U? or phi)= source = (p - pSat) * ( vDotcP - vDotvP).

If...

Forum: OpenFOAM Running, Solving & CFD

July 8, 2009, 00:25

Replies: 29

Phase change with VOF

Views: 18,314

Posted By sandy

================== To a phase change VOF...

==================

To a phase change VOF problems, div(u) =? 0, I don't know too.

However, in the InterPhaseChangeFoam solver, div(u) = (1/rho1 - 1/rho2) * (mDotP[0] -mDotP[1]) * (p - pSat)...

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