LinearFVDiffusion.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 "LinearFVFluxKernel.h"
#include "FVFaceInterpolationMethod.h"
#include "FVInterpolationMethodInterface.h"

class LinearFVDiffusion : public LinearFVFluxKernel, public FVInterpolationMethodInterface
{
public:
  static InputParameters validParams();

  LinearFVDiffusion(const InputParameters & params);

  virtual void setupFaceData(const FaceInfo * face_info) override;

  virtual void initialSetup() override;

  virtual Real computeElemMatrixContribution() override;

  virtual Real computeNeighborMatrixContribution() override;

  virtual Real computeElemRightHandSideContribution() override;

  virtual Real computeNeighborRightHandSideContribution() override;

  virtual Real computeBoundaryMatrixContribution(const LinearFVBoundaryCondition & bc) override;

  virtual Real computeBoundaryRHSContribution(const LinearFVBoundaryCondition & bc) override;

protected:
  Real computeFluxMatrixContribution();

  Real computeFluxRHSContribution();

  Real faceDiffusivity() const;

  const Moose::Functor<Real> & _diffusion_coeff;

  const FVFaceInterpolationMethod * _coeff_interp_method;

  const bool _use_nonorthogonal_correction;

  Real _flux_matrix_contribution;

  Real _flux_rhs_contribution;

  mutable bool _cached_face_diffusivity;
  mutable Real _face_diffusivity;
};