Thanks peteroznewman,

so as you suggested I ran this simulation in Explicit Dynamics, but unfortunately the force over travel plot is not representative any more as the kinetic effects are to dominent now. The solver output of this run showed a time increment of 4.096E-09s.

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In a second run I used the Quasi-Static preset and entered the mentioned time increment for the Minimum CFL Time step. The damping cofficent was set to 0.1. This resulted in this:

What am I doing wrong? :s