I figured it out. In the post processing tools. Select history, under that set E-type to Sphnode. Then we can select the SPH particle for which the pr...

Thank you again @sbrrr. I will go through the manual and rerun the model. I will keep you posted.

@geardyn-1 I tried to vary the NMNEIGH but it seems to have no difference on the analysis. I am using a LSDYNA version R11.1

Thank you so much for your response @sbrrr. I tried with an increased thickness of 1.00” and I see things improved a little bit. Now few particles ahe...

Keyword file for the case is attached.  Rigid_flat_plate_impact.k

Sorry for the late response. And Thank you for the reply. Which control output keyword should I use to get the failed element IDs list? Going through ...