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 "ConvectiveHeatFluxBC.h"
      11             : 
      12             : registerMooseObject("HeatTransferApp", ConvectiveHeatFluxBC);
      13             : 
      14             : InputParameters
      15         146 : ConvectiveHeatFluxBC::validParams()
      16             : {
      17         146 :   InputParameters params = IntegratedBC::validParams();
      18         146 :   params.addClassDescription(
      19             :       "Convective heat transfer boundary condition with temperature and heat "
      20             :       "transfer coefficent given by material properties.");
      21         292 :   params.addRequiredParam<MaterialPropertyName>("T_infinity",
      22             :                                                 "Material property for far-field temperature");
      23         292 :   params.addRequiredParam<MaterialPropertyName>("heat_transfer_coefficient",
      24             :                                                 "Material property for heat transfer coefficient");
      25         292 :   params.addParam<MaterialPropertyName>(
      26             :       "heat_transfer_coefficient_dT",
      27             :       "0",
      28             :       "Material property for derivative of heat transfer coefficient with respect to temperature");
      29             : 
      30         146 :   return params;
      31           0 : }
      32             : 
      33          78 : ConvectiveHeatFluxBC::ConvectiveHeatFluxBC(const InputParameters & parameters)
      34             :   : IntegratedBC(parameters),
      35          78 :     _T_infinity(getMaterialProperty<Real>("T_infinity")),
      36         156 :     _htc(getMaterialProperty<Real>("heat_transfer_coefficient")),
      37         234 :     _htc_dT(getMaterialProperty<Real>("heat_transfer_coefficient_dT"))
      38             : {
      39          78 : }
      40             : 
      41             : Real
      42      253328 : ConvectiveHeatFluxBC::computeQpResidual()
      43             : {
      44      253328 :   return -_test[_i][_qp] * _htc[_qp] * (_T_infinity[_qp] - _u[_qp]);
      45             : }
      46             : 
      47             : Real
      48      160896 : ConvectiveHeatFluxBC::computeQpJacobian()
      49             : {
      50      160896 :   return -_test[_i][_qp] * _phi[_j][_qp] *
      51      160896 :          (-_htc[_qp] + _htc_dT[_qp] * (_T_infinity[_qp] - _u[_qp]));
      52             : }