Hi
This search shows videos that will insert Commands (APDL) into mechanical:
APDL commands
See this seacrh for more info on the inistate comand (used for prestress):
inistate
As for commands in general it is good to learn the MAPDL langauge (this can be used in mechanical via the Commands (APDL) ):
/courses/index.php/courses/intro-to-ansys-mechanical-apdl-scripting/lessons/overview-of-mapdl-lesson-1/
All the best
Erik
You are navigating away from the AIS Discovery experience