Hello, 

I ran the Abaqus explicit 2019 simulation with the smooth particle hydrodynamic PC3D element. The simulation involve pushing the PC3D elements out from a rigid tube which was created in a single part modeled with R3D4 elements. The element that is pushing the PC3D elements to the right is also modeled with R3D4 elements. The interaction properties are shown in the attached images. For contact, it is general contact. The analysis ran until step 7 out of 20 until it failed. There is no error message in .dat or .sta. The .out file said "Abaqus/Analysis exited with errors" and the .msg file said "ABAQUS/explicit rank 21 terminated by signal 15 (Terminated)". What does this mean? Is the error due to my mesh size or contact assignment, or interaction properties? For mesh size I have tried both the R3D4 element being bigger and smaller than the PC3D, the error is the same. 

Thank you so much in advance

Pasita