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Ansys Learning Forum › Forums › Discuss Simulation › LS Dyna › contact between two perpendicular shell plates › Reply To: contact between two perpendicular shell plates

March 18, 2024 at 4:47 pm
Jim Day
Ansys Employee

I suggest that flange and web share nodes at their juncture even though it means there's some slight overlap of material at that juncture.     *CONTACT_AUTOMATIC_SINGLE_SURFACE would only be needed if deformation were extremely large, such as would occur if the section buckled.

If that doesn't help, provide an image that illustrates the bad behavior.