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Change BCs for different load steps

Change BCs for different load steps

Change BCs for different load steps

(OP)
Hello everyone!
How can we apply new BC's on the solved model? For example one time step I apply compression, and then in the second time step I change my BC's and apply support elements and another loading. With loading it is not a problem, but the BC´s such as supports is a question for me.

So the solution of the first substep is so to say the input data for the second step. UPGEOM is not applicable, because it transfers just modified geometry, however for me the reaction forces are also important. Submodelling is also not proper, because I am simulating the same model (simple geometry). I am using ANSYS Workbench 15.

Thank you for any reply. It seems so easy, but I cant find the solution.

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