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Oscillations at the Entrance and Exit of Pipe
Posted Jul 15, 2011, 9:58 a.m. EDT Fluid & Heat, Computational Fluid Dynamics (CFD), Mesh, Results & Visualization, Studies & Solvers 0 Replies
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I am using the Mixture Model in 3D pipe to simulate the flow of glass sphere particles in water.
However I keep getting the rather persistent oscillations at the entrance and exit of the pipe.
I have a 3 meter pipe to serve as an entrance pipe to another pipe (the relevant one),
and I am using a boundary layer mixed with a free tetrahedral mesh.
I can seem to correct whatever I am doing wrong...
My mph file is too big and to complex to run (except on a cluster or server), so I have uploaded some images
so its visible what I am trying to explain. Also I have uploded the wall lift-off in both units.
Hope somebody can help. Thanks.
Cheers.
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Hello Rui Silva
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