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Can anybody tell me what does fluent do using MESH MOTION?

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Old   October 6, 2010, 12:54
Default Can anybody tell me what does fluent do using MESH MOTION?
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Herman
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Hi all,
I have a simple question: What does fluent do if I use MESH MOTION?

Example:
1-I do a simulation of a flat plate.
2-After some iteration I interrupt FLUENT and I make the MESH MOTION in order to pitch the wall to 3 degrees.
3-After this mesh motion, I continue to solve the solution with FLUENT.

My question is: in the step 2, FLUENT moves the mesh in order to pitch the wall. Does FLUENT do something else to the variable ? What happen to velocity, pressure, and other variables? Are they constant in the cell deformed after the step 2? Or is FLUENT apply the ALE (Algebraic Lagrangian Eulerian) ?

Thanks everyone.
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