LCOV - code coverage report
Current view: top level - src/dgkernels - MassDiffusionSpeciesGasMixDGKernel.C (source / functions) Hit Total Coverage
Test: idaholab/moose thermal_hydraulics: #30301 (3b550b) with base 2ad78d Lines: 14 15 93.3 %
Date: 2025-07-30 13:02:48 Functions: 3 3 100.0 %
Legend: Lines: hit not hit

          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 "MassDiffusionSpeciesGasMixDGKernel.h"
      11             : 
      12             : registerMooseObject("ThermalHydraulicsApp", MassDiffusionSpeciesGasMixDGKernel);
      13             : 
      14             : InputParameters
      15          41 : MassDiffusionSpeciesGasMixDGKernel::validParams()
      16             : {
      17          41 :   InputParameters params = MassDiffusionBaseGasMixDGKernel::validParams();
      18             : 
      19          41 :   params.addClassDescription("Adds mass diffusion to the species equation for FlowChannelGasMix.");
      20             : 
      21          41 :   return params;
      22           0 : }
      23             : 
      24          22 : MassDiffusionSpeciesGasMixDGKernel::MassDiffusionSpeciesGasMixDGKernel(
      25          22 :     const InputParameters & parameters)
      26          22 :   : MassDiffusionBaseGasMixDGKernel(parameters)
      27             : {
      28          22 : }
      29             : 
      30             : ADReal
      31       22540 : MassDiffusionSpeciesGasMixDGKernel::computeQpFlux() const
      32             : {
      33             :   Real dx, dx_side;
      34       22540 :   computePositionChanges(dx, dx_side);
      35             : 
      36       22540 :   const ADReal rho = linearlyInterpolate(_rho_elem[_qp], _rho_neig[_qp], dx, dx_side);
      37       22540 :   const ADReal D = linearlyInterpolate(_D_elem[_qp], _D_neig[_qp], dx, dx_side);
      38       22540 :   const ADReal dxi_dx = computeGradient(_mass_fraction_elem[_qp], _mass_fraction_neig[_qp], dx);
      39             : 
      40       22540 :   return -rho * D * dxi_dx;
      41             : }

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