/COM,ANSYS RELEASE Release 18.1 BUILD 18.1 UP20170403 19:53:06 *** WARNING *** CP = 0.781 TIME= 19:53:07 Using 1 iteration per substep may result in unconverged solutions for nonlinear analysis and the program may not indicate divergence in this case. Check your results. *** WARNING *** CP = 0.797 TIME= 19:53:07 Element shape checking is currently inactive. Issue SHPP,ON or SHPP,WARN to reactivate, if desired. *** WARNING *** CP = 0.953 TIME= 19:53:07 Maximum contact stiffness 4.4E+16 is too big which can cause an accuracy problem, you may scale the force units in the model.