Boundary condition of a Neumann style whose value is computed by a user-defined function.
virtual Real computeQpResidual() override
Method for computing the residual at quadrature points.
const Function & _exact_solution
The function being used for setting the value.
static InputParameters validParams()
Base class for function objects.
Base class for deriving any boundary condition of a integrated type.
const InputParameters & parameters() const
Get the parameters of the object.