George Papazafeiropoulos Clamping stiffness(N/mm) is used to apply a force free camping during the structural analysis in welding. Basically in SYSWELD software there is option to apply the same. I was looking in to the same in the Abaqus software.
George Papazafeiropoulos I tried this from interaction module in Abaqus. But it didn't worked for me. I was actually trying to simulate a multi-pass welding analysis .I am not sure whether the error is due this spring stiffness in Abaqus or something else, though the thermal results are good.I hope this is the only option we have in Abaqus