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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 14315 : ADMatInterfaceReaction::validParams() 16 : 17 : { 18 14315 : InputParameters params = ADInterfaceKernel::validParams(); 19 14315 : params.addParam<MaterialPropertyName>("forward_rate", "kf", "Forward reaction rate coefficient."); 20 14315 : params.addParam<MaterialPropertyName>( 21 : "backward_rate", "kb", "Backward reaction rate coefficient."); 22 14315 : params.addClassDescription("Implements a reaction to establish ReactionRate=k_f*u-k_b*v " 23 : "at interface."); 24 14315 : return params; 25 0 : } 26 : 27 26 : ADMatInterfaceReaction::ADMatInterfaceReaction(const InputParameters & parameters) 28 : : ADInterfaceKernel(parameters), 29 26 : _kf(getADMaterialProperty<Real>("forward_rate")), 30 52 : _kb(getNeighborADMaterialProperty<Real>("backward_rate")) 31 : { 32 26 : } 33 : 34 : ADReal 35 1056 : ADMatInterfaceReaction::computeQpResidual(Moose::DGResidualType type) 36 : { 37 1056 : ADReal r = 0; 38 1056 : 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) 43 528 : case Moose::Element: 44 528 : r = _test[_i][_qp] * (_kf[_qp] * _u[_qp] - _kb[_qp] * _neighbor_value[_qp]); 45 528 : break; 46 : 47 : // Similarly, weak form for secondary domain is: -(test, kf*u - kb*v), 48 : // flip the sign because the direction is opposite. 49 528 : case Moose::Neighbor: 50 528 : r = -_test_neighbor[_i][_qp] * (_kf[_qp] * _u[_qp] - _kb[_qp] * _neighbor_value[_qp]); 51 528 : break; 52 : } 53 1056 : return r; 54 0 : }