I’m changing to zero the friction multiplier on the "Load Case Options" tab of the "Static Load Case Editor" and the problem is the same.
Then either the problem isn't "
friction", or you didn't change the multiplier on all of the load cases.
Then, I erased the input values of the friction coefficient, support by support in the restraint list, and the iteration converge.
See the 2nd part of the sentence above.
Does anybody know how I can do to fix it in CAESAR II?
Start adjusting the "friction settings" on the "Computation Controls" tab of the Configuration Module. Make a small change, try the run, if it doesn't converge, change the configuration again. NOTE, changing these configuration settings requires you to go back to input and re-Error Check the model.
You can also find additional information on this subject if you use the [Search] option, to the right, just above the Calendar. Search for "convergence".