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Forum: OpenFOAM Running, Solving & CFD

August 24, 2005, 04:20

Replies: 9

BubbleFoam alpha equation

Views: 3,032

Posted By henry

The first expression correspon

The first expression corresponds to an Euler-implicit discretisation of fvm::ddt(rho,e) and the second is clearly equivalent to an Euler-implicit discretisation of rho*fvm::ddt(e).

If you need...

Forum: OpenFOAM Running, Solving & CFD

August 24, 2005, 03:46

Replies: 9

BubbleFoam alpha equation

Views: 3,032

Posted By henry

In that case they are clearly

In that case they are clearly different, the first is the rate of change of rho*e and the second is rho* the rate of change of e, wasn't that obvious?

Forum: OpenFOAM Running, Solving & CFD

August 24, 2005, 03:16

Replies: 9

BubbleFoam alpha equation

Views: 3,032

Posted By henry

Does rho vary with time?

Does rho vary with time?

Forum: OpenFOAM Running, Solving & CFD

June 23, 2005, 05:51

Replies: 9

BubbleFoam alpha equation

Views: 3,032

Posted By henry

To maintain boundedness of alp

To maintain boundedness of alpha at the 1 limit as well as the 0 limit.

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