Reply To: custom constitutive equation

[Hui Liu]

You can refer to Guide to User-Programmable Features as a start:https://ansyshelp.ansys.com/account/secured?returnurl=/Views/Secured/corp/v211/en/ans_prog/Hlp_P_UPFTOC.htmlnAlso refer to APDL command reference for APDL commands if needed:https://ansyshelp.ansys.com/account/secured?returnurl=/Views/Secured/corp/v211/en/ans_cmd/Hlp_C_CmdTOC.htmlnn