physics/materialProperties/Conductivity useConductivity [BOOLEAN] CONSTANT [FALSE] flags whether the conductivity material property is being used physics/materialProperties/Conductivity/ConductivityMain useConductivity [BOOLEAN] [TRUE] flags whether the conductivity material property is being used physics/materialProperties/Conductivity/ConductivityMain/Constant cond_constantIsochoric [REAL] [1.0] Valid Values: Unconstrained physics/materialProperties/Conductivity/ConductivityMain/Constant-diff diff_constant [REAL] [1.0] Valid Values: Unconstrained