Shaft Design under Fatigue Loading – Shigley’s 7.2
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Hello, everyone!
I searched through references and this forum regarding fatigue analysis in shafts subjected to torques caused by gears, but I could only find analyses on torsion or bending of shafts.
Due to my lack of experience with Ansys in simulations involving shafts, I also had doubts about the "Remote Displacement" that defines the boundary conditions of the problem. I found a very good explanation at this link (https://forum.ansys.com/forums/topic/how-can-i-simulate-this-shaft-from-shigleys-book/) for the same problem, but I still can't fully grasp it.
What I need is to define the Von-Mises stress and safety factor of this shaft with fatigue life.
In summary, I have two main questions:
1 - Can I replace the application of these forces with a torque?
2 - How does the application of "remote displacement" work in detail for this project?
The Free Body Diagram The forces
This is the result of my simulation so far:
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