Jim Day
Ansys Employee
For an example that may be of some help, go to https://awg.ansys.com/QA+test+example+7. Cohesive elements between layers or alternatively, tiebreak contact (*CONTACT_AUTOMATIC_ONE_WAY_SURFACE_TO_SURFACE_TIEBREAK) between layers, is needed to represent delamination. That's only one aspect of the problem. Accurate material characterization (choice of material model for the layers and populating that material model with input to match material test results) is imperative to obtaining good agreement between your simulation and a physical test. If you are a commercial customer, you should be able to share your model and obtain more personalized help beyond what can be provided within the scope of this forum. Contact your Ansys Channel Partner or visit https://customercenter.ansys.com/