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 "LinearFVMomentumBuoyancy.h"
      11             : #include "Assembly.h"
      12             : #include "SubProblem.h"
      13             : #include "NS.h"
      14             : #include "FEProblemBase.h"
      15             : 
      16             : registerMooseObject("NavierStokesApp", LinearFVMomentumBuoyancy);
      17             : 
      18             : InputParameters
      19          76 : LinearFVMomentumBuoyancy::validParams()
      20             : {
      21          76 :   InputParameters params = LinearFVElementalKernel::validParams();
      22          76 :   params.addClassDescription("Represents the buoyancy term in the Navier Stokes momentum "
      23             :                              "equations, added to the right hand side.");
      24             : 
      25         152 :   params.addRequiredParam<RealVectorValue>("gravity", "Gravitational acceleration vector.");
      26          76 :   params.addRequiredParam<MooseFunctorName>(NS::density, "The value for the density");
      27         152 :   params.addRequiredParam<Real>("reference_rho", "The value for the reference density");
      28         152 :   MooseEnum momentum_component("x=0 y=1 z=2");
      29         152 :   params.addRequiredParam<MooseEnum>(
      30             :       "momentum_component",
      31             :       momentum_component,
      32             :       "The component of the momentum equation that this kernel applies to.");
      33             : 
      34          76 :   return params;
      35          76 : }
      36             : 
      37          38 : LinearFVMomentumBuoyancy::LinearFVMomentumBuoyancy(const InputParameters & params)
      38             :   : LinearFVElementalKernel(params),
      39          38 :     _index(getParam<MooseEnum>("momentum_component")),
      40          38 :     _rho(getFunctor<Real>(NS::density)),
      41          76 :     _rho_0(getParam<Real>("reference_rho")),
      42         114 :     _gravity(getParam<RealVectorValue>("gravity"))
      43             : {
      44          38 : }
      45             : 
      46             : Real
      47      483750 : LinearFVMomentumBuoyancy::computeMatrixContribution()
      48             : {
      49      483750 :   return 0.0;
      50             : }
      51             : 
      52             : Real
      53      612750 : LinearFVMomentumBuoyancy::computeRightHandSideContribution()
      54             : {
      55      612750 :   const auto elem = makeElemArg(_current_elem_info->elem());
      56      612750 :   const auto state = determineState();
      57      612750 :   return (_rho(elem, state) - _rho_0) * _gravity(_index) * _current_elem_volume;
      58             : }