This option is used in a material data block to include heat generation in heat transfer, coupled thermal-electrical, or coupled temperature-displacement analyses. It must be used in conjunction with user subroutine HETVAL.

References:

• “Uncoupled heat transfer analysis,” Section 6.5.2 of the Abaqus Analysis User's Manual

• “HETVAL,” Section 1.1.13 of the Abaqus User Subroutines Reference Manual