A class for defining the time derivative of the heat equation.
const InputParameters & parameters() const
virtual Real computeQpJacobian() override
Compute the jacobian of the Heat Equation time derivative.
virtual Real computeQpResidual() override
Compute the residual of the Heat Equation time derivative.
static InputParameters validParams()
const VariableValue & _area
Coupled variable for the cross-sectional area of truss element.
VariableValueTempl< false > VariableValue