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Hi, I tried to model the pretension for a NLGEOM analysis with enforced displacements in a local csys. If the pretension is not followed by an another loadcase, the results are OK, if there is a follower loadcase the results are not the same as before and wrong. Attached you can find a test model (with pretension with and without an additional loadstep). Nodes id. 1 and 2 are the ones with enforced displacements in the local csys id 4. Please take a look at the displacements for the pretension in both cases. Is this problem known? Is there a workaround for this problem? Thank you. Best regards, Szilard Balazs example_NLGEOM_pretens_load.zip