physics/materialProperties/Viscosity useExplicitViscosity [BOOLEAN] [TRUE] flags whether to use explicit (or implicit) viscosity solver useViscosity [BOOLEAN] CONSTANT [FALSE] flags whether the viscosity material property is being used physics/materialProperties/Viscosity/ViscosityMain useViscosity [BOOLEAN] [TRUE] flags whether the viscosity material property is being used viscSuppressFactor [REAL] [1.0] Valid Values: Unconstrained -- allows the viscosity to be suppressed viscTempHigh [REAL] [1.5e8] Valid Values: Unconstrained -- turn off viscosity for temps higher than this viscTempLow [REAL] [3.0e5] Valid Values: Unconstrained -- turn off viscosity for temps lower than this physics/materialProperties/Viscosity/ViscosityMain/Constant diff_visc_mu [REAL] [.1] Valid Values: Unconstrained constant dynamic viscosity (used in Constant Viscosity if visc_whichCoefficientIsConst is 1) diff_visc_nu [REAL] [.1] Valid Values: Unconstrained constant kinematic viscosity (used in Constant Viscosity if visc_whichCoefficientIsConst is 2) visc_whichCoefficientIsConst [INTEGER] [2] Valid Values: 1, 2 which kind of coefficient to keep constant in Constant Viscosity implementation; set to 1 for constant dynamic viscosity (the value of diff_visc_mu is used); set to 2 for constant kinematic viscosity (the value of diff_visc_nu is used).