If you are considering to model the crack propagation, the XFEM technique in the new version may help. I once model a interfacial crack between viscoelastic-elastic bimaterial and study its singular stress distribution in my master research. If you are considering the interface crack, you can exploit the seam technique (two independent nodes at the same location). Hi, In abaqus, you can create one part and partition it into 2 components and apply material and section property to the two components respectively. Specifically, the paper describes the extension to 3-D of a similar capability, namely the 2-D Abaqus Welding Interface (AWI), that currently exists for automating. Abaqus Welding Interface Cracked Download.
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