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Ansys Learning Forum › Forums › Discuss Simulation › LS Dyna › Collisions in LS-DYNA › Reply To: Collisions in LS-DYNA

October 17, 2024 at 12:26 pm
Alex R.
Ansys Employee

Hello, 

The structure self-contact should be handled by *CONTACT_AUTOMATIC_SINGLE_SURFACE. Please see if the structure part is included in that contact. Please try using this option in *CONTACT_AUTOMATIC_SINGLE_SURFACE card SOFT = 2, SBOPT =3 and DEPTH = 5. 

https://www.dynasupport.com/tutorial/contact-modeling-in-ls-dyna/contact-types

https://www.dynasupport.com/howtos/contact/soft-option

Let us know how it goes, 
AlexÂ