DivDivField.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 "VectorKernel.h"
 
class DivDivField : public VectorKernel
{
public:
  static InputParameters validParams();
 
  DivDivField(const InputParameters & parameters);
 
protected:
  virtual Real computeQpResidual() override;
  virtual Real computeQpJacobian() override;
 
  const VectorVariableTestDivergence & _div_test;
 
  const VectorVariablePhiDivergence & _div_phi;
 
  const VectorVariableDivergence & _div_u;
 
  Real _coeff;
};