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 "KokkosIntegratedBC.h"
      13             : 
      14             : /**
      15             :  * Implements a constant Neumann BC where grad(u) is a equal to a postprocessor on the boundary.
      16             :  * Uses the term produced from integrating the diffusion operator by parts.
      17             :  */
      18             : class KokkosPostprocessorNeumannBC : public Moose::Kokkos::IntegratedBC
      19             : {
      20             : public:
      21             :   /**
      22             :    * Factory constructor, takes parameters so that all derived classes can be built using the same
      23             :    * constructor.
      24             :    */
      25             :   static InputParameters validParams();
      26             : 
      27             :   KokkosPostprocessorNeumannBC(const InputParameters & parameters);
      28             : 
      29             :   KOKKOS_FUNCTION Real computeQpResidual(const unsigned int i,
      30             :                                          const unsigned int qp,
      31             :                                          AssemblyDatum & datum) const;
      32             : 
      33             : protected:
      34             :   /// Value of grad(u) on the boundary.
      35             :   Moose::Kokkos::PostprocessorValue _value;
      36             : };
      37             : 
      38             : KOKKOS_FUNCTION inline Real
      39        6240 : KokkosPostprocessorNeumannBC::computeQpResidual(const unsigned int i,
      40             :                                                 const unsigned int qp,
      41             :                                                 AssemblyDatum & datum) const
      42             : {
      43        6240 :   return -_test(datum, i, qp) * _value;
      44             : }