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 "FVDiffusion.h"
      11             : 
      12             : registerMooseObject("MooseApp", FVDiffusion);
      13             : 
      14             : InputParameters
      15       35901 : FVDiffusion::validParams()
      16             : {
      17       35901 :   InputParameters params = FVFluxKernel::validParams();
      18       35901 :   params += FVDiffusionInterpolationInterface::validParams();
      19       71802 :   params.addClassDescription("Computes residual for diffusion operator for finite volume method.");
      20      143604 :   params.addRequiredParam<MooseFunctorName>("coeff", "diffusion coefficient");
      21      143604 :   MooseEnum coeff_interp_method("average harmonic", "harmonic");
      22      143604 :   params.addParam<MooseEnum>(
      23             :       "coeff_interp_method",
      24             :       coeff_interp_method,
      25             :       "Switch that can select face interpolation method for diffusion coefficients.");
      26             : 
      27             :   // We need at least 2 layers here with the least accurate interpolation
      28       35901 :   params.set<unsigned short>("ghost_layers") = 2;
      29             : 
      30             :   // We add the relationship manager here, this will select the right number of
      31             :   // ghosting layers depending on the chosen interpolation method
      32      107703 :   params.addRelationshipManager(
      33             :       "ElementSideNeighborLayers",
      34             :       Moose::RelationshipManagerType::GEOMETRIC | Moose::RelationshipManagerType::ALGEBRAIC |
      35             :           Moose::RelationshipManagerType::COUPLING,
      36           0 :       [](const InputParameters & obj_params, InputParameters & rm_params)
      37       10169 :       { FVRelationshipManagerInterface::setRMParamsDiffusion(obj_params, rm_params, 3); });
      38             : 
      39       71802 :   return params;
      40       35901 : }
      41             : 
      42        3611 : FVDiffusion::FVDiffusion(const InputParameters & params)
      43             :   : FVFluxKernel(params),
      44             :     FVDiffusionInterpolationInterface(params),
      45        3603 :     _coeff(getFunctor<ADReal>("coeff")),
      46        3603 :     _coeff_interp_method(
      47       10817 :         Moose::FV::selectInterpolationMethod(getParam<MooseEnum>("coeff_interp_method")))
      48             : {
      49        3603 : }
      50             : 
      51             : ADReal
      52    11606638 : FVDiffusion::computeQpResidual()
      53             : {
      54             :   using namespace Moose::FV;
      55    11606638 :   const auto state = determineState();
      56             : 
      57    11606638 :   auto dudn = gradUDotNormal(state, _correct_skewness);
      58    11606638 :   ADReal coeff;
      59             : 
      60             :   // If we are on internal faces, we interpolate the diffusivity as usual
      61    11606638 :   if (_var.isInternalFace(*_face_info))
      62             :   {
      63    11143200 :     const ADReal coeff_elem = _coeff(elemArg(), state);
      64    11143200 :     const ADReal coeff_neighbor = _coeff(neighborArg(), state);
      65             :     // If the diffusion coefficients are zero, then we can early return 0 (and avoid warnings if we
      66             :     // have a harmonic interpolation)
      67    11143200 :     if (!coeff_elem.value() && !coeff_neighbor.value())
      68           0 :       return 0;
      69             : 
      70    11143200 :     interpolate(_coeff_interp_method, coeff, coeff_elem, coeff_neighbor, *_face_info, true);
      71    11143200 :   }
      72             :   // Else we just use the boundary values (which depend on how the diffusion
      73             :   // coefficient is constructed)
      74             :   else
      75             :   {
      76      463438 :     const auto face = singleSidedFaceArg();
      77      463438 :     coeff = _coeff(face, state);
      78             :   }
      79             : 
      80    11606638 :   return -1 * coeff * dudn;
      81    11606638 : }