Sir, one more query. I might be wrong. but please suggest
Since the clearance between shaft and bearing is very small and hence because of this the fluid pressure exerted on the bearing structure is very large. Later, because of these large pressure values, large deformations are observed in the bearing structure and so to accommodate that bearing deformation, the fluid mesh should drastically change. I think because of this negative cell volume is detected? I am just guessing. How can I steadily ramp the generated fluid pressure on the structure rather than apply it suddenly?
is it possible to do CFD analysis first ( partially solve it) and then continue the system coupling (two-way FSI)
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