const VariableGradient & _grad_u
Holds the solution gradient at the current quadrature points.
const VariableValue & _u
Holds the solution at current quadrature points.
static InputParameters validParams()
virtual void computeQpValue()=0
This is what derived classes should override to do something on every quadrature point on every eleme...
virtual void execute() override
Execute method.
unsigned int _qp
The current quadrature point.
ElementVariablePostprocessor(const InputParameters ¶meters)