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Ansys Learning Forum › Forums › Discuss Simulation › General Mechanical › Cause of overshoot in contact pressure value for CZM › Reply To: Cause of overshoot in contact pressure value for CZM

October 17, 2017 at 9:40 am
Arun
Ansys Employee

The overshoot in the value of contact pressure is due to artificial damping coefficient. Debonding is generally accompanied by convergence difficulties in the Newton-Raphson solution. Artificial damping is used to stabilize the numerical solution. In general a very small value of 1E-8 is used.