Thermal Loads for Other Purposes: Solid Bolt Models and Shrink Fits
The second use case is for a large press fit that might fail. If you have non-linear analysis you can shrink the female part at time =0 and then gently expand by coming to room temperature during the final time step. The value here is that a typical shrink fit contact is solved in one intital time step even in a non linear solution. By using no penetration contacts and thermal shrink and then expansion you can often solve a large shrink fit problem that might not have converged before.
Stay tuned to this blog post for a step by step process on how to estimate temperatures and implement bolt pre-load and shrink fits using thermal boundary conditions and no penetration contacts.
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