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Forum: OpenFOAM Running, Solving & CFD

March 19, 2014, 10:23

Replies: 11

movingWallVelocity BC lead to unphysical pressure (and then velocity)

Views: 2,718

Posted By pi06jl6

Thank you Bruno for your valuable input, i...

Thank you Bruno for your valuable input, i managed to remove the larger part of the oscillation, now only a minor issue remains: Small amplitude high frequency oscillation [often every second time...

Forum: OpenFOAM Running, Solving & CFD

February 17, 2014, 10:53

Replies: 11

movingWallVelocity BC lead to unphysical pressure (and then velocity)

Views: 2,718

Posted By pi06jl6

Hello Bruno, Thank you for your reply, i...

Hello Bruno,

Thank you for your reply, i shall try to answer to your questions properly, since you are absolutely right, there is many different context my question can be applied to.
...

Forum: OpenFOAM Running, Solving & CFD

February 17, 2014, 09:28

Replies: 11

movingWallVelocity BC lead to unphysical pressure (and then velocity)

Views: 2,718

Posted By pi06jl6

Long story short: For current coarse mesh, it...

Long story short: For current coarse mesh, it does not matter what displacement, it always diverges but with larger viscosity the larger the displacement before it takes effect. What i can notice...

Forum: OpenFOAM Running, Solving & CFD

February 17, 2014, 07:29

Replies: 11

movingWallVelocity BC lead to unphysical pressure (and then velocity)

Views: 2,718

Posted By pi06jl6

Did you resolve this issue? I am using the...

Did you resolve this issue?

I am using the movingWallVelocity which in parallell mode diverges in the PISO step.

I have parallelized my former code and everything works excellent except when...

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