LevelSetTimeDerivativeSUPG.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 "LevelSetTimeDerivativeSUPG.h"
 
registerADMooseObject("LevelSetApp", LevelSetTimeDerivativeSUPG);
 
defineADValidParams(
    LevelSetTimeDerivativeSUPG,
    ADTimeKernelGrad,
    params.addClassDescription(
        "SUPG stablization terms for the time derivative of the level set equation.");
    params += validParams<LevelSetVelocityInterface<>>(););
 
template <ComputeStage compute_stage>
LevelSetTimeDerivativeSUPG<compute_stage>::LevelSetTimeDerivativeSUPG(
    const InputParameters & parameters)
  : LevelSetVelocityInterface<ADTimeKernelGrad<compute_stage>>(parameters)
{
}
 
template <ComputeStage compute_stage>
ADRealVectorValue
LevelSetTimeDerivativeSUPG<compute_stage>::precomputeQpResidual()
{
  computeQpVelocity();
  Real tau = _current_elem->hmin() / (2 * _velocity.norm());
  return tau * _velocity * _u_dot[_qp];
}