Auxiliary kernel for debugging convergence.
virtual Real computeValue() override
Compute and return the value of the aux variable.
MooseVariableFEBase & _debug_var
static InputParameters validParams()
NumericVector< Number > & _residual_copy
const InputParameters & parameters() const
Get the parameters of the object.
This class provides an interface for common operations on field variables of both FE and FV types wit...