KokkosConvectiveHeatFluxBC.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 "KokkosIntegratedBCValue.h"
 
class KokkosConvectiveHeatFluxBC : public Moose::Kokkos::IntegratedBCValue
{
public:
  static InputParameters validParams();
 
  KokkosConvectiveHeatFluxBC(const InputParameters & parameters);
 
  template <typename Derived>
  KOKKOS_FUNCTION Real precomputeQpResidual(const unsigned int qp, AssemblyDatum & datum) const;
  template <typename Derived>
  KOKKOS_FUNCTION Real precomputeQpJacobian(const unsigned int j,
                                            const unsigned int qp,
                                            AssemblyDatum & datum) const;
 
private:
  Moose::Kokkos::MaterialProperty<Real> _T_infinity;
 
  Moose::Kokkos::MaterialProperty<Real> _htc;
 
  Moose::Kokkos::MaterialProperty<Real> _htc_dT;
};
 
template <typename Derived>
KOKKOS_FUNCTION Real
KokkosConvectiveHeatFluxBC::precomputeQpResidual(const unsigned int qp, AssemblyDatum & datum) const
{
  return -_htc(datum, qp) * (_T_infinity(datum, qp) - _u(datum, qp));
}
 
template <typename Derived>
KOKKOS_FUNCTION Real
KokkosConvectiveHeatFluxBC::precomputeQpJacobian(const unsigned int j,
                                                 const unsigned int qp,
                                                 AssemblyDatum & datum) const
{
  return -_phi(datum, j, qp) *
         (-_htc(datum, qp) + _htc_dT(datum, qp) * (_T_infinity(datum, qp) - _u(datum, qp)));
}