INSADMassPSPG.C

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//* This file is part of the MOOSE framework
//* https://www.mooseframework.org
//*
//* All rights reserved, see COPYRIGHT for full restrictions
//* https://github.com/idaholab/moose/blob/master/COPYRIGHT
//*
//* Licensed under LGPL 2.1, please see LICENSE for details
//* https://www.gnu.org/licenses/lgpl-2.1.html
 
#include "INSADMassPSPG.h"
 
registerADMooseObject("NavierStokesApp", INSADMassPSPG);
 
defineADValidParams(INSADMassPSPG,
                    ADKernelGrad,
                    params.addClassDescription(
                        "This class adds PSPG stabilization to the mass equation, enabling use of "
                        "equal order shape functions for pressure and velocity variables");
                    params.addParam<MaterialPropertyName>("rho_name",
                                                          "rho",
                                                          "The name of the density"););
 
template <ComputeStage compute_stage>
INSADMassPSPG<compute_stage>::INSADMassPSPG(const InputParameters & parameters)
  : ADKernelGrad<compute_stage>(parameters),
    _rho(getADMaterialProperty<Real>("rho_name")),
    _tau(getADMaterialProperty<Real>("tau")),
    _momentum_strong_residual(getADMaterialProperty<RealVectorValue>("momentum_strong_residual"))
{
}
 
template <ComputeStage compute_stage>
ADRealVectorValue
INSADMassPSPG<compute_stage>::precomputeQpResidual()
{
  return -_tau[_qp] / _rho[_qp] * _momentum_strong_residual[_qp];
}