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

July 14, 2023 at 5:54 pm
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.

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