Thin Elastic Layer, Interface
Use the thin Elastic Layer, Interface node to apply elastic and damping boundary conditions on the interior boundaries of a layered shell.
By adding the Predeformation subnode, you can prescribe that the spring force is zero at a nonzero spring extension.
Interface Selection
Select the interface or interfaces for which this spring condition is to be added.
When added: Interior interfaces.
When Selected Interfaces is selected.
All other settings for the Thin Elastic Layer, Interface node are described in the documentation for Thin Elastic Layer.
Location in User Interface
Context Menus
Ribbon
Physics tab with Layered Shell selected: