Reply To: An internal solution magnitude limit was exceeded.

[Tadeáš Salcman]

Hello, 

I managed to replace most of the errors inside contact tool initial information as given inside the course. The only problem which prevents me from successfully reaching convergence is the frictional contact between the nut and the washer which I cannot get to a solvable state. There are 2 approaches which lead to different results that are both problematic.

Approach one:

Approach two:

Thank you for your advice. Do you think modelling bolted connections as a beam connections would be appropriate as this would solve the convergence issues and reduce computational cost (see the pictures above)?  The only drawback is that I don´t know whether I experience shear or not. Thank you for your advice.