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Fluid Damper Simulation

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Old   May 7, 2019, 08:25
Default Fluid Damper Simulation
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Randal Wang
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Hi,

I am trying to simulate a fluid damper(pictures are attached below).
However I tried lots of methods, always failure.
The method I use is layering. I set "moving wall" in picture as rigid body, failed, as is shown in the third picture.

Can anybody give me some advice?
Thanks a lot!
Attached Images
File Type: png damper.png (43.2 KB, 16 views)
File Type: png sketch.PNG (21.8 KB, 14 views)
File Type: png failure.PNG (6.6 KB, 16 views)
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Old   May 7, 2019, 13:00
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Randal Wang
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I try to set the full domain as rigid body, and the left and right wall as stationary, the piston and piston rod (moving wall in the picture) as rigid body.

Failed again.
Attached Images
File Type: png second.png (58.7 KB, 10 views)
File Type: png setting.PNG (22.9 KB, 10 views)
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Old   May 20, 2019, 17:58
Default Has anyone modelled a MR damper CFD/CFX in ANSYS?
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yubraj
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I need a full guideline. Can anyone help me with these issues?
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Old   May 21, 2019, 02:24
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yubraj
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Hi,
Randal0
would you please help me for MR Damper CFD
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dynamic mesh, fluent, layering method, piston cylinder

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