18 InputParameters params = validParams<TimeDerivative>();
19 params.addClassDescription(
"Derivative of primary species concentration wrt time");
24 : TimeDerivative(parameters), _porosity(getMaterialProperty<Real>(
"porosity"))
31 return _porosity[_qp] * TimeDerivative::computeQpResidual();
37 return _porosity[_qp] * TimeDerivative::computeQpJacobian();