About the boundary setting problem of ANSYS
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Please tell me how far the Fixed support is from the flange when using ANSYS WORKBENCH to simulate flange calculations. The closer the flange is, the flange becomes almost a rigid part, and the entire bolt's pretightening force is applied to the other flange. The flange near the fixed support is almost not deformed. See picture. Is there any specification that mentions the appropriate distance between this Fixed support and the analysis software?
Isn’t Fix Support just support? Generally, supports are provided at the bottom several meters apart according to the pipe diameter. In addition to the support, I think this model should be the internal pressure endured within the pass. The non-deformed surface should be the inner surface of the bolt to examine the stress of the entire flange.
Can you provide some specifications on how to set it up?