.. code-block:: sierrainput

   #
     #
     # Optional Adiabatic Heating/Thermal Softening  Definitions
     #    Following only need to be defined if intend to use failure model
     #  
     THERMAL SOFTENING MODEL = ADIABATIC | COUPLED
     #
     SPECIFIC HEAT = <real> # not needed for COUPLED
     BETA_TQ       = <real>
