SinglePhaseReservoirHybridFVM.hpp

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/*
 * ------------------------------------------------------------------------------------------------------------
 * SPDX-License-Identifier: LGPL-2.1-only
 *
 * Copyright (c) 2018-2020 Lawrence Livermore National Security LLC
 * Copyright (c) 2018-2020 The Board of Trustees of the Leland Stanford Junior University
 * Copyright (c) 2018-2020 TotalEnergies
 * Copyright (c) 2019-     GEOSX Contributors
 * All rights reserved
 *
 * See top level LICENSE, COPYRIGHT, CONTRIBUTORS, NOTICE, and ACKNOWLEDGEMENTS files for details.
 * ------------------------------------------------------------------------------------------------------------
 */
 
#ifndef GEOS_LINEARALGEBRA_INTERFACES_HYPREMGRSINGLEPHASERESERVOIRHYBRIDFVM_HPP_
#define GEOS_LINEARALGEBRA_INTERFACES_HYPREMGRSINGLEPHASERESERVOIRHYBRIDFVM_HPP_
 
#include "linearAlgebra/interfaces/hypre/HypreMGR.hpp"
 
namespace geos
{
 
namespace hypre
{
 
namespace mgr
{
 
class SinglePhaseReservoirHybridFVM : public MGRStrategyBase< 2 >
{
public:
  explicit SinglePhaseReservoirHybridFVM( arrayView1d< int const > const & )
    : MGRStrategyBase( LvArray::integerConversion< HYPRE_Int >( 4 ) )
  {
    // Level 0: eliminate the cell-centered pressure
    m_labels[0].push_back( 0 );
    m_labels[0].push_back( 1 );
    // Level 1: eliminate the face-centered pressure
    m_labels[1].push_back( 1 );
 
    setupLabels();
 
    // Level 0
    m_levelFRelaxType[0]          = MGRFRelaxationType::gsElimWInverse;
    m_levelFRelaxIters[0]        = 1;
    m_levelInterpType[0]         = MGRInterpolationType::blockJacobi;
    m_levelRestrictType[0]       = MGRRestrictionType::injection;
    m_levelCoarseGridMethod[0]   = MGRCoarseGridMethod::galerkin;
    m_levelGlobalSmootherType[0] = MGRGlobalSmootherType::none;
 
    // Level 1
    m_levelFRelaxType[1]         = MGRFRelaxationType::jacobi;
    m_levelFRelaxIters[1]        = 1;
    m_levelInterpType[1]         = MGRInterpolationType::jacobi;
    m_levelRestrictType[1]       = MGRRestrictionType::injection;
    m_levelCoarseGridMethod[1]   = MGRCoarseGridMethod::galerkin;
    m_levelGlobalSmootherType[1] = MGRGlobalSmootherType::none;
  }
 
  void setup( LinearSolverParameters::MGR const & mgrParams,
              HyprePrecWrapper & precond,
              HypreMGRData & mgrData )
  {
    // if the wells are shut, using Gaussian elimination as F-relaxation for the well block is an overkill
    // in that case, we just use Jacobi
    if( !mgrParams.areWellsShut )
    {
      m_levelFRelaxType[0] = MGRFRelaxationType::jacobi;
    }
 
    setReduction( precond, mgrData );
 
    // Configure the BoomerAMG solver used as mgr coarse solver for the pressure reduced system
    setPressureAMG( mgrData.coarseSolver );
  }
};
 
} // namespace mgr
 
} // namespace hypre
 
} // namespace geos
 
#endif /*GEOS_LINEARALGEBRA_INTERFACES_HYPREMGRSINGLEPHASERESERVOIRHYBRIDFVM_HPP_*/