Ansys Learning Forum Forums Discuss Simulation LS Dyna Negative Jacobian – Fail Reply To: Negative Jacobian – Fail

Andreas Koutras
Ansys Employee

Hello,

On CONTROL_SHELL, could you set:

NFAIL1=1 (or NFAIL4 for fully integrated shells)

BWC=1

PROJ=1

Also please set INN=4 on CONTROL_ACCURACY.

Let us know how it goes with these settings.