Material base class for materials that provide the switching function or the double well function .
std::string _function_name
name of the function of eta (used to generate the material property names)
MaterialProperty< Real > & _prop_df
Material property to store the derivative .
MaterialProperty< Real > & _prop_f
Material property to store .
static InputParameters validParams()
MaterialProperty< Real > & _prop_d2f
Material property to store the second derivative .
const VariableValue & _eta
Coupled variable value for the order parameter .
VariableValueTempl< false > VariableValue