ElementAverageSecondTimeDerivative.C

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//* This file is part of the MOOSE framework
//* https://www.mooseframework.org
//*
//* All rights reserved, see COPYRIGHT for full restrictions
//* https://github.com/idaholab/moose/blob/master/COPYRIGHT
//*
//* Licensed under LGPL 2.1, please see LICENSE for details
//* https://www.gnu.org/licenses/lgpl-2.1.html

#include "ElementAverageSecondTimeDerivative.h"

registerMooseObject("MooseApp", ElementAverageSecondTimeDerivative);

InputParameters
ElementAverageSecondTimeDerivative::validParams()
{
  InputParameters params = ElementAverageValue::validParams();
  params.addClassDescription("Computes the element averaged second derivative of variable");
  return params;
}

ElementAverageSecondTimeDerivative::ElementAverageSecondTimeDerivative(
    const InputParameters & parameters)
  : ElementAverageValue(parameters), _u_dotdot(_is_transient ? coupledDotDot("variable") : _zero)
{
}

Real
ElementAverageSecondTimeDerivative::computeQpIntegral()
{
  return _u_dotdot[_qp];
}