I want to calculate the stress on the joint of the shaft.

The lower shaft is rotated ±90deg around the z-axis. I would like to know the stress on the joint when a resistance of 5N・m is applied to the upper shaft. Please tell me how to set it up.

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Hey @a_ishikawa ,

This sounds like a non-linear simulation with physical contacts.

This tutorial should be a good example from the overall simulation perspective. Of course, you would need to use rotating boundary conditions (example tutorial) for the lower shaft.

Cheers,
Satvik

Thank you.
Simulation completed.