LCOV - code coverage report
Current view: top level - src/auxkernels - DiffusionFluxAux.C (source / functions) Hit Total Coverage
Test: idaholab/moose framework: 2bf808 Lines: 24 25 96.0 %
Date: 2025-07-17 01:28:37 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 "DiffusionFluxAux.h"
      11             : #include "Assembly.h"
      12             : 
      13             : registerMooseObject("MooseApp", DiffusionFluxAux);
      14             : 
      15             : InputParameters
      16       14640 : DiffusionFluxAux::validParams()
      17             : {
      18       14640 :   InputParameters params = AuxKernel::validParams();
      19       14640 :   MooseEnum component("x y z normal");
      20       14640 :   params.addClassDescription("Compute components of flux vector for diffusion problems "
      21             :                              "$(\\vec{J} = -D \\nabla C)$.");
      22       14640 :   params.addRequiredParam<MooseEnum>("component", component, "The desired component of flux.");
      23       14640 :   params.addRequiredCoupledVar("diffusion_variable", "The name of the variable");
      24       14640 :   params.addRequiredParam<MaterialPropertyName>(
      25             :       "diffusivity",
      26             :       "The name of the diffusivity material property that will be used in the flux computation.");
      27       29280 :   return params;
      28       14640 : }
      29             : 
      30         195 : DiffusionFluxAux::DiffusionFluxAux(const InputParameters & parameters)
      31             :   : AuxKernel(parameters),
      32         195 :     _use_normal(getParam<MooseEnum>("component") == "normal"),
      33         195 :     _component(getParam<MooseEnum>("component")),
      34         195 :     _grad_u(coupledGradient("diffusion_variable")),
      35         390 :     _diffusion_coef(hasMaterialProperty<Real>("diffusivity")
      36         195 :                         ? &getMaterialProperty<Real>("diffusivity")
      37             :                         : nullptr),
      38         195 :     _ad_diffusion_coef(!_diffusion_coef ? &getADMaterialProperty<Real>("diffusivity") : nullptr),
      39         390 :     _normals(_assembly.normals())
      40             : {
      41         195 :   if (_use_normal && !isParamValid("boundary"))
      42           0 :     paramError("boundary", "A boundary must be provided if using the normal component!");
      43         195 : }
      44             : 
      45             : Real
      46     1390336 : DiffusionFluxAux::computeValue()
      47             : {
      48     1390336 :   const Real gradient = _use_normal ? _grad_u[_qp] * _normals[_qp] : _grad_u[_qp](_component);
      49     1390336 :   const Real diffusion_coef = _diffusion_coef ? (*_diffusion_coef)[_qp]
      50      521856 :                                               : MetaPhysicL::raw_value((*_ad_diffusion_coef)[_qp]);
      51     1390336 :   return -diffusion_coef * gradient;
      52             : }

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