Line data    Source code

       1             : //* This file is part of the MOOSE framework
       2             : //* https://mooseframework.inl.gov
       3             : //*
       4             : //* All rights reserved, see COPYRIGHT for full restrictions
       5             : //* https://github.com/idaholab/moose/blob/master/COPYRIGHT
       6             : //*
       7             : //* Licensed under LGPL 2.1, please see LICENSE for details
       8             : //* https://www.gnu.org/licenses/lgpl-2.1.html
       9             : 
      10             : #pragma once
      11             : 
      12             : #include "KokkosADIntegratedBC.h"
      13             : 
      14             : /**
      15             :  * Implements a Neumann BC where grad(u)=_coupled_var on the boundary.
      16             :  * Uses the term produced from integrating the diffusion operator by parts.
      17             :  */
      18             : class KokkosADCoupledVarNeumannBC : public Moose::Kokkos::ADIntegratedBC
      19             : {
      20             : public:
      21             :   static InputParameters validParams();
      22             : 
      23             :   KokkosADCoupledVarNeumannBC(const InputParameters & parameters);
      24             : 
      25             :   template <typename Derived>
      26             :   KOKKOS_FUNCTION Moose::Kokkos::ADReal
      27             :   computeQpResidual(const unsigned int i, const unsigned int qp, AssemblyDatum & datum) const;
      28             : 
      29             : protected:
      30             :   /// Variable providing the value of grad(u) on the boundary.
      31             :   const Moose::Kokkos::ADVariableValue _coupled_var;
      32             : 
      33             :   /// A coefficient that is multiplied with the residual contribution
      34             :   const Real _coef;
      35             : 
      36             :   /// Scale factor
      37             :   const Moose::Kokkos::ADVariableValue _scale_factor;
      38             : };
      39             : 
      40             : template <typename Derived>
      41             : KOKKOS_FUNCTION Moose::Kokkos::ADReal
      42       15156 : KokkosADCoupledVarNeumannBC::computeQpResidual(const unsigned int i,
      43             :                                                const unsigned int qp,
      44             :                                                AssemblyDatum & datum) const
      45             : {
      46       15156 :   return -_test(datum, i, qp) * _scale_factor(datum, qp) * _coef * _coupled_var(datum, qp);
      47             : }