Thank you very much, flash3780.
Would you mind explain the flange waffling? I think it would be useful for me, as my test subject also included thin-walled steel sheet.
Hi all,
Regarding the way of establish pre-stress as follow:
Let the screw component (e.g. head or thread) penetrate into the connected steel sheets for a certain pre-calculated depth,
during the first load step, penetrated component will be pushed back due to the contact elements introduced...
