CompositionalMultiphaseHybridFVM.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_HYPREMGRCOMPOSITIONALMULTIPHASEHYBRIDFVM_HPP_
#define GEOS_LINEARALGEBRA_INTERFACES_HYPREMGRCOMPOSITIONALMULTIPHASEHYBRIDFVM_HPP_
 
#include "linearAlgebra/interfaces/hypre/HypreMGR.hpp"
 
namespace geos
{
 
namespace hypre
{
 
namespace mgr
{
 
class CompositionalMultiphaseHybridFVM : public MGRStrategyBase< 3 >
{
public:
  explicit CompositionalMultiphaseHybridFVM( arrayView1d< int const > const & numComponentsPerField )
    : MGRStrategyBase( LvArray::integerConversion< HYPRE_Int >( numComponentsPerField[0] + numComponentsPerField[1] ) )
  {
    // Level 0: eliminate the last density of the cell-centered block
    m_labels[0].resize( m_numBlocks - 1 );
    std::iota( m_labels[0].begin(), m_labels[0].begin() + m_numBlocks - 2, 0 );
    m_labels[0][m_numBlocks - 2] = m_numBlocks - 1;
    // Level 1: eliminate remaining densities of the cell-centered block
    m_labels[1].resize( 2 );
    m_labels[1][0] = 0;
    m_labels[1][1] = m_numBlocks - 1;
    // Level 2: eliminate reservoir cell-centered pressure
    m_labels[2].resize( 1 );
    m_labels[2][0] = m_numBlocks - 1;
 
    setupLabels();
 
    // Level 0
    m_levelFRelaxType[0]          = MGRFRelaxationType::jacobi;
    m_levelFRelaxIters[0]         = 1;
    m_levelInterpType[0]          = MGRInterpolationType::jacobi;
    m_levelRestrictType[0]        = MGRRestrictionType::injection;
    m_levelCoarseGridMethod[0]    = MGRCoarseGridMethod::galerkin;
    m_levelGlobalSmootherType[0]  = MGRGlobalSmootherType::none;
 
    // Level 1
    m_levelFRelaxType[1]          = MGRFRelaxationType::none;
    m_levelInterpType[1]          = MGRInterpolationType::jacobi;
    m_levelRestrictType[1]        = MGRRestrictionType::blockColLumped; // True-IMPES
    m_levelCoarseGridMethod[1]    = MGRCoarseGridMethod::galerkinRAI;
    m_levelGlobalSmootherType[1]  = MGRGlobalSmootherType::none;
 
    // Level 2
    m_levelFRelaxType[2]          = MGRFRelaxationType::jacobi;
    m_levelFRelaxIters[2]         = 1;
    m_levelInterpType[2]          = MGRInterpolationType::jacobi;
    m_levelRestrictType[2]        = MGRRestrictionType::injection;
    m_levelCoarseGridMethod[2]    = MGRCoarseGridMethod::galerkin;
    m_levelGlobalSmootherType[2]  = MGRGlobalSmootherType::blockGaussSeidel;
    m_levelGlobalSmootherIters[2] = 1;
  }
 
  void setup( LinearSolverParameters::MGR const &,
              HyprePrecWrapper & precond,
              HypreMGRData & mgrData )
  {
    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_HYPREMGRCOMPOSITIONALMULTIPHASEHYBRIDFVM_HPP_*/