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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 "ArrayVacuumBC.h" 11 : 12 : registerMooseObject("MooseApp", ArrayVacuumBC); 13 : 14 : InputParameters 15 14522 : ArrayVacuumBC::validParams() 16 : { 17 14522 : InputParameters params = ArrayIntegratedBC::validParams(); 18 14522 : params.addParam<RealEigenVector>("alpha", "Ratio between directional gradient and solution"); 19 14522 : params.addClassDescription("Imposes the Robin boundary condition $\\partial_n " 20 : "\\vec{u}=-\\frac{\\vec{\\alpha}}{2}\\vec{u}$."); 21 14522 : return params; 22 0 : } 23 : 24 130 : ArrayVacuumBC::ArrayVacuumBC(const InputParameters & parameters) 25 : : ArrayIntegratedBC(parameters), 26 377 : _alpha(isParamValid("alpha") ? getParam<RealEigenVector>("alpha") 27 377 : : RealEigenVector::Ones(_count)) 28 : { 29 130 : if (_alpha.size() != _count) 30 0 : paramError( 31 0 : "alpha", "Number of values must equal number of variable components (", _count, ")."); 32 : 33 130 : _alpha /= 2; 34 130 : } 35 : 36 : void 37 48608 : ArrayVacuumBC::computeQpResidual(RealEigenVector & residual) 38 : { 39 48608 : residual = _alpha.cwiseProduct(_u[_qp]) * _test[_i][_qp]; 40 48608 : } 41 : 42 : RealEigenVector 43 239008 : ArrayVacuumBC::computeQpJacobian() 44 : { 45 478016 : return _test[_i][_qp] * _phi[_j][_qp] * _alpha; 46 : }