LinearFVRZViscousSource.h

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//* This file is part of the MOOSE framework
//* https://mooseframework.inl.gov
//*
//* 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 "LinearFVElementalKernel.h"
#include <array>
 
class LinearFVRZViscousSource : public LinearFVElementalKernel
{
public:
  static InputParameters validParams();
 
  LinearFVRZViscousSource(const InputParameters & params);
 
protected:
  Real computeMatrixContribution() override;
  Real computeRightHandSideContribution() override;
 
private:
  const Moose::Functor<Real> & _mu;
  const unsigned int _component;
  const unsigned int _rz_radial_coord;
  const unsigned int _dim;
  const bool _use_deviatoric_terms;
  const Moose::CoordinateSystemType _coord_type;
  const Real _stress_multiplier;
 
  std::array<MooseLinearVariableFVReal *, 2> _velocity_vars;
 
  const MooseLinearVariableFVReal & velocityVar(unsigned int dir) const;
};