OneD3EqnMomentumAreaGradient.h

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

#pragma once

#include "Kernel.h"
#include "DerivativeMaterialInterfaceTHM.h"

class OneD3EqnMomentumAreaGradient : public DerivativeMaterialInterfaceTHM<Kernel>
{
public:
  OneD3EqnMomentumAreaGradient(const InputParameters & parameters);

protected:
  virtual Real computeQpResidual();
  virtual Real computeQpJacobian();
  virtual Real computeQpOffDiagJacobian(unsigned int jvar);

  const VariableGradient & _area_grad;

  const MaterialProperty<RealVectorValue> & _dir;

  const MaterialProperty<Real> & _pressure;
  const MaterialProperty<Real> & _dp_darhoA;
  const MaterialProperty<Real> & _dp_darhouA;
  const MaterialProperty<Real> & _dp_darhoEA;

  unsigned int _arhoA_var_number;
  unsigned int _arhoE_var_number;

public:
  static InputParameters validParams();
};