Thank you for your help. I have tried to use the pre-stress fro the structutral simulation, but the system takes the undeformed geometry. I want to compute the natural frequencies of the deformed geometry with the stresses of the deformed geometry. I can export the deformed geometry, but in that I case I cannot perform a modal analysis with pre-stress.
Is there any way to compute the natural frequencies of the system conbsisting of the deforkmed geometry with the stresses of the deformed geometry?
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