virtual Real computeQpJacobian() override
Method for computing the diagonal Jacobian at quadrature points.
static InputParameters validParams()
Factory constructor, takes parameters so that all derived classes can be built using the same constru...
Real _initial
Ratio of u to du/dn.
virtual Real computeQpResidual() override
Method for computing the residual at quadrature points.
Base class for deriving any boundary condition of a integrated type.
const InputParameters & parameters() const
Get the parameters of the object.