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             : #include "ADMatInterfaceReaction.h"
      11             : 
      12             : registerMooseObject("MooseApp", ADMatInterfaceReaction);
      13             : 
      14             : InputParameters
      15        3111 : ADMatInterfaceReaction::validParams()
      16             : 
      17             : {
      18        3111 :   InputParameters params = ADInterfaceKernel::validParams();
      19       12444 :   params.addParam<MaterialPropertyName>("forward_rate", "kf", "Forward reaction rate coefficient.");
      20       12444 :   params.addParam<MaterialPropertyName>(
      21             :       "backward_rate", "kb", "Backward reaction rate coefficient.");
      22        3111 :   params.addClassDescription("Implements a reaction to establish ReactionRate=k_f*u-k_b*v "
      23             :                              "at interface.");
      24        3111 :   return params;
      25           0 : }
      26             : 
      27          26 : ADMatInterfaceReaction::ADMatInterfaceReaction(const InputParameters & parameters)
      28             :   : ADInterfaceKernel(parameters),
      29          26 :     _kf(getADMaterialProperty<Real>("forward_rate")),
      30          78 :     _kb(getNeighborADMaterialProperty<Real>("backward_rate"))
      31             : {
      32          26 : }
      33             : 
      34             : ADReal
      35        1068 : ADMatInterfaceReaction::computeQpResidual(Moose::DGResidualType type)
      36             : {
      37        1068 :   ADReal r = 0;
      38        1068 :   switch (type)
      39             :   {
      40             :     // Move all the terms to the LHS to get residual, for primary domain
      41             :     // Residual = kf*u - kb*v = kf*u - kb*v
      42             :     // Weak form for primary domain is: (test, kf*u - kb*v)
      43         534 :     case Moose::Element:
      44         534 :       r = _test[_i][_qp] * (_kf[_qp] * _u[_qp] - _kb[_qp] * _neighbor_value[_qp]);
      45         534 :       break;
      46             : 
      47             :     // Similarly, weak form for secondary domain is: -(test, kf*u - kb*v),
      48             :     // flip the sign because the direction is opposite.
      49         534 :     case Moose::Neighbor:
      50         534 :       r = -_test_neighbor[_i][_qp] * (_kf[_qp] * _u[_qp] - _kb[_qp] * _neighbor_value[_qp]);
      51         534 :       break;
      52             :   }
      53        1068 :   return r;
      54           0 : }