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Forum: OpenFOAM Running, Solving & CFD

July 28, 2005, 11:54

Replies: 7

Appropriate boundary conditions for external incompressible flow

Views: 2,681

Posted By mattamos

Thanks Henry, that seemed to w

Thanks Henry, that seemed to work. I'm still not getting full convergence, but have tracked down the problem to a poor quality element in the boundary region. Hopefully a better mesh will fix that.

Forum: OpenFOAM Running, Solving & CFD

July 27, 2005, 12:22

Replies: 7

Appropriate boundary conditions for external incompressible flow

Views: 2,681

Posted By mattamos

This results in very large num

This results in very large numbers of iterations for p (about 200 to produce a couple of orders of magnitude drop in the residual) and the solution becomes non-physical after about 20 pseudotime...

Forum: OpenFOAM Running, Solving & CFD

July 27, 2005, 11:39

Replies: 7

Appropriate boundary conditions for external incompressible flow

Views: 2,681

Posted By mattamos

Henry, The internalField an

Henry,

The internalField and pressureInletOutletVelocity are both set to uniform (15 0 0).

inletValue is only set for the turbulent fields, which I'm not using at present.

Thanks,
...

Forum: OpenFOAM Running, Solving & CFD

July 27, 2005, 11:14

Replies: 7

Appropriate boundary conditions for external incompressible flow

Views: 2,681

Posted By mattamos

Hi, I'm trying to run simpl

Hi,

I'm trying to run simpleFoam on a test geometry at about M=0.05, laminar. I set up the case using FoamX with an inletOutlet boundary condition in the far-field, but since my flow is external...

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