21 #ifndef _aspect_material_model_rheology_constant_viscosity_prefactors_h
22 #define _aspect_material_model_rheology_constant_viscosity_prefactors_h
30 namespace MaterialModel
66 const unsigned int composition_index)
const;
std::vector< double > constant_viscosity_prefactors
ConstantViscosityPrefactors()
void parse_parameters(ParameterHandler &prm)
static void declare_parameters(ParameterHandler &prm)
double compute_viscosity(const double base_viscosity, const unsigned int composition_index) const