Split with a variable that holds the Laplacian of the phase field.
virtual ADRealGradient precomputeQpResidual()
static InputParameters validParams()
const ADVariableGradient & _grad_c
const ADVariableValue & _var_c
const InputParameters & parameters() const
VariableValueTempl< true > ADVariableValue
VariableGradientTempl< true > ADVariableGradient