Hello Oleg,
The Workbench LS-DYNA developers are working on adding the feature to post-process SPG particles in the Mechanical interface, but it is not ready yet. For now, you have to post-process the SPG particles in LS-PrePost.
Also, as my colleague Ram mentioned, you can post-process the quantity of your failure criteria, for example, plastic strain at failure to see where the bond break. For many applications, the bond break between particles becomes obvious when the particles get further and further away from each other. We see this in cutting, machining, and screw applications. Here is an example of a screw going through some material. The screw is hidden in the images below so we can see the threads being formed. The bond breakage in this case is obvious:
Reno.
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