AMRNodeSolver.H

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#ifdef CH_LANG_CC
/*
*      _______              __
*     / ___/ /  ___  __ _  / /  ___
*    / /__/ _ \/ _ \/  V \/ _ \/ _ \
*    \___/_//_/\___/_/_/_/_.__/\___/
*    Please refer to Copyright.txt, in Chombo's root directory.
*/
#endif

// AMRNodeSolver.H
// adapted from AMRSolver by DTGraves, Tues, July 6, 1999
// petermc, Wed, Nov 28, 2000

#ifndef AMRNODESOLVER_H
#define AMRNODESOLVER_H

#include <cstdlib>
#include <cmath>
#include <iostream>
#include "SPACE.H"
#include "REAL.H"
#include "IntVect.H"
#include "ProblemDomain.H"
#include "NodeFArrayBox.H"
#include "Vector.H"
#include "IntVectSet.H"
#include "DisjointBoxLayout.H"
#include "LevelData.H"
#include "AMRNodeLevelMG.H"
#include "LevelNodeSolver.H"

#include "UsingNamespace.H"


class AMRNodeSolver
{
public:

  friend class AMRNodeLevelMG;



  AMRNodeSolver();


  AMRNodeSolver(const Vector<DisjointBoxLayout>& a_gridsLevel,
                const Vector<ProblemDomain>&     a_domainLevel,
                const Vector<Real>&              a_dxLevel,
                const Vector<int>&               a_refRatio,
                int                              a_numLevels,
                int                              a_lBase,
                const NodeLevelOp* const         a_opin,
                int                              a_minLength = 1);


  AMRNodeSolver(const Vector<DisjointBoxLayout>& a_gridsLevel,
                const Vector<Box>&               a_domainLevel,
                const Vector<Real>&              a_dxLevel,
                const Vector<int>&               a_refRatio,
                int                              a_numLevels,
                int                              a_lBase,
                const NodeLevelOp* const         a_opin,
                int                              a_minLength = 1);


  ~AMRNodeSolver();


  void define(
              const Vector<DisjointBoxLayout>& a_gridsLevel,
              const Vector<ProblemDomain>&     a_domainLevel,
              const Vector<Real>&              a_dxLevel,
              const Vector<int>&               a_refRatio,
              int                              a_numLevels,
              int                              a_lBase,
              const NodeLevelOp* const         a_opin,
              int                              a_minLength = 1);



  void define(
              const Vector<DisjointBoxLayout>& a_gridsLevel,
              const Vector<Box>&               a_domainLevel,
              const Vector<Real>&              a_dxLevel,
              const Vector<int>&               a_refRatio,
              int                              a_numLevels,
              int                              a_lBase,
              const NodeLevelOp* const         a_opin,
              int                              a_minLength = 1);



  bool isDefined() const;



  void setNumSmoothUp(int a_numSmoothUp);


  void setNumSmoothDown(int a_numSmoothDown);


  void setTolerance(Real a_tolerance);


  void setBottomSmoothing(bool a_doBottomSmooth);


  void setBottomTolerance(Real a_tolerance);


  void setOperatorTolerance(Real a_operatorTolerance);


  void setMaxIter(int a_maxIter);


  void setMinIter(int a_minIter);


  void setBottomMaxIter(int a_maxIter);


  void setVerbose(bool a_verbose);




  void solveAMR(
                Vector<LevelData<NodeFArrayBox> *>&       a_phiLevel,
                const Vector<LevelData<NodeFArrayBox> *>& a_rhsLevel);


  void AMRVCycleMG(
                   Vector<LevelData<NodeFArrayBox> *>&       a_phiLevel,
                   const Vector<LevelData<NodeFArrayBox> *>& a_rhsLevel);


  Real computeResidualNorm(
                           int a_normType);



  void computeAMRResidual(
                          LevelData<NodeFArrayBox>&                 a_res,
                          Vector<LevelData<NodeFArrayBox> *>&       a_phiLevel,
                          const Vector<LevelData<NodeFArrayBox> *>& a_rhsLevel,
                          int                                       a_ilev);


  void applyAMROperator(
                        LevelData<NodeFArrayBox>&           a_lofPhi,
                        Vector<LevelData<NodeFArrayBox> *>& a_phiLevel,
                        int                                 a_ilev);


  void applyAMRGradient(
                        LevelData<NodeFArrayBox>&           a_gradPhi,
                        Vector<LevelData<NodeFArrayBox> *>& a_phiLevel,
                        int                                 a_ilev);

protected:

  void setDefaultValues();

  void clear();

  Real m_tolerance;

  Real m_operatorTolerance;

  int m_lBase;

  int m_numLevels;

  int m_finestLevel;

  Vector<int> m_refRatio;

  Vector<Real> m_dxLevel;

  Vector<DisjointBoxLayout> m_gridsLevel;

  Vector<ProblemDomain> m_domainLevel;

  int m_maxIter;

  int m_minIter;

  int m_numSmoothUp;

  int m_numSmoothDown;

  Vector<AMRNodeLevelMG*> m_amrmgLevel;

  bool m_isDefined;

  LevelNodeSolver m_levelSolver;

  bool m_verbose;

private:
  AMRNodeSolver(const AMRNodeSolver&);
  AMRNodeSolver& operator=(const AMRNodeSolver&);


};
#endif

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