I have an interference fit problem of two perfect cylinders modelled in 2D using symmetry. The overall interface pressure is around 20MPa lower than the hand calculations and I get non-uniform displacement / pressure near the edges of the model. Any suggestions on how to remove these raisers would be greatly appreciated!
I've attached images of the model as well as deformation and pressure results.
One of the initial idea looking at your pictures, I would look for is the quality of the mesh at the point of interference and if they are aligned or not skewed. Also, I would probably look at tolerance issues if u had modeled the geometry in CAD profile. Typically interference fits are just a touch higher than tolerances and these do impact the solutions on a large level. It would be wise to see what skewness and aspect ratios are prevailing at the interference and if possible reduce the same.
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