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 "KokkosIntegratedBCValue.h"
      13             : 
      14             : /**
      15             :  * Implements a flux boundary condition grad(u).n = V.n, where the
      16             :  * vector V is specifed by the user. This differs from NeumannBC,
      17             :  * where the user instead specifies the _scalar_ value g = grad(u).n.
      18             :  */
      19             : class KokkosDirectionalNeumannBC : public Moose::Kokkos::IntegratedBCValue
      20             : {
      21             : public:
      22             :   static InputParameters validParams();
      23             : 
      24             :   KokkosDirectionalNeumannBC(const InputParameters & parameters);
      25             : 
      26             :   template <typename Derived>
      27        8416 :   KOKKOS_FUNCTION Real computeQpResidual(const unsigned int qp, AssemblyDatum & datum) const
      28             :   {
      29        8416 :     return -_value * datum.normals(qp);
      30             :   }
      31             : 
      32             : protected:
      33             :   /// Vector to dot with the normal.
      34             :   const Moose::Kokkos::Real3 _value;
      35             : };