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Forum: OpenFOAM

October 18, 2011, 11:25

Replies: 5

Instability in transport solution on tet mesh

Views: 2,452

Posted By vkrastev

pimpleFoam resolves turbulent as well as laminar...

pimpleFoam resolves turbulent as well as laminar flows (you have only to set the simulationType as laminar in your turbulenceProperties dictionary), so the answer is (theoretically) yes, but to reach...

Forum: OpenFOAM

October 18, 2011, 10:08

Replies: 5

Instability in transport solution on tet mesh

Views: 2,452

Posted By vkrastev

As you can see, your velocity field was already...

As you can see, your velocity field was already solved with a limited scheme on the convective term, that's why velocities didn't blow up as your scalar field.

I

Well, this is a not so obvious...

Forum: OpenFOAM

October 17, 2011, 10:02

Replies: 5

Instability in transport solution on tet mesh

Views: 2,452

Posted By vkrastev

As a first attempt I will try a limited scheme on...

As a first attempt I will try a limited scheme on div(phi,T): you are using a pure central differencing scheme, which notoriously can give boundedness problems. Theoretically speaking, the Gamma...

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