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Old   March 21, 2017, 22:40
Exclamation 2D FSI simulation
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Ilir Deda
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I successfully simulated a 2D rigid thin plate with flapping motion (plunging and pitching through an UDF), now I want to do a 2-way FSI with the same airfoil to see the aeroelasticity influence, but I noticed that it's not possible to do a 2D FSI.
So I extruded my whole O-grid toward the third direction, set the boundary conditions of the domain contours to "velocity-inlet" with 0 velocity (as in the 2D case), set the faces in contact with the airfoil to "deforming" and started a 3D simulation with Fluent.
I tried extruding with different lengths (1 and 0.1) or different number of cells (1 and 14) along the third direction, but the solution diverges or gives wrong results.
How can I get a 2D FSI?
Thank you.
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Old   September 3, 2017, 04:22
Default Similar case
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Ujwal Rajan
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Hey man,

I am dealing with a very identical case. i have the time, pitch response, plunge response, lift and pitching moment.
Whether i use static structural or the transient structural module in workbench, it keeps asking me the thickness and i've found no way around it. i performed the aerodynamic analyses on FLUENT for a 2D airfoil. I am trying for a 2 way FSI.

Please let me know if you've found a solution to your problem.

Any help is massively appreciated!
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2-d, 3-d, fluent, fsi

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