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Thermal stress in piston engine - constrains problem in ANSYS

By Grzegorz on 29 Jun 20:39 0 answers 445 views 0 comments

Dear All,

I am working with Ansys Classic.
I am trying to calculate thermal stress in aluminium piston engine (it's student's project).
After getting temperature results I want to calculate thermal stress.
I have problem with setting correct boundary conditions (displacements in structural analysis).
When I apply all DOF constrains in pin hole I could find in this area very high stress.
How should I model it?
Should I model pin and apply contact between it and piston?

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