SecondDerivativeImplicitEuler.h

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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
 
#pragma once
 
#include "TimeKernel.h"
 
// Forward Declarations
class SecondDerivativeImplicitEuler;
 
template <>
InputParameters validParams<SecondDerivativeImplicitEuler>();
 
class SecondDerivativeImplicitEuler : public TimeKernel
{
public:
  SecondDerivativeImplicitEuler(const InputParameters & parameters);
 
protected:
  virtual Real computeQpResidual();
  virtual Real computeQpJacobian();
 
  const VariableValue & _u_old;
  const VariableValue & _u_older;
};