Hello John,

Thank you for your great help!

I added four command objects under the contacts of interest and name them different cid, as "cid3, cid4, cid7, cid8", respectively.

Then i found out the APDL command to output fracture energies in solution section cannot be directly excecuted. So my understanding is  I must solve the model again to output the required energies, it that right? The figure of the setup is shown below.

Kind regards,