ProblemInstat.h 7.87 KB
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// ============================================================================
// ==                                                                        ==
// == AMDiS - Adaptive multidimensional simulations                          ==
// ==                                                                        ==
// ============================================================================
// ==                                                                        ==
// ==  crystal growth group                                                  ==
// ==                                                                        ==
// ==  Stiftung caesar                                                       ==
// ==  Ludwig-Erhard-Allee 2                                                 ==
// ==  53175 Bonn                                                            ==
// ==  germany                                                               ==
// ==                                                                        ==
// ============================================================================
// ==                                                                        ==
// ==  http://www.caesar.de/cg/AMDiS                                         ==
// ==                                                                        ==
// ============================================================================

/** \file ProblemInstat.h */

#ifndef AMDIS_PROBLEM_INSTAT_H_
#define AMDIS_PROBLEM_INSTAT_H_

#include "ProblemScal.h"
#include "ProblemVec.h"
#include "MemoryManager.h"
#include "ProblemTimeInterface.h"
#include "AdaptInstationary.h"

namespace AMDiS {

  // ===========================================================================
  // ===== class ProblemInstat =================================================
  // ===========================================================================

  /**
   * \ingroup Problem
   *
   * \brief
   * Base class for ProblemInstatScal and ProblemInstatVec.
   */
  class ProblemInstat : public ProblemTimeInterface,
			public ProblemStatBase
  {
  public:
    /** \brief
     * Constructor.
     */
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    ProblemInstat(std::string name_,
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		  ProblemStatBase *initialProb)
      : name(name_),
	initialProblem(initialProb ? initialProb : this)
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    {}
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    /** \brief
     * Destructor.
     */
    virtual ~ProblemInstat();


    /** \brief
     * Initialisation of the problem.
     */
    virtual void initialize(Flag initFlag,
			    ProblemInstat *adoptProblem = NULL,
			    Flag adoptFlag = INIT_NOTHING);

    /** \brief
     */
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    virtual void solve(AdaptInfo* adaptInfo) {}

    /** \brief
     */
    virtual void solve(AdaptInfo *adaptInfo, bool fixedMatrix) {
      solve(adaptInfo);
    }
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    /** \brief
     */
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    virtual void estimate(AdaptInfo *adaptInfo) {}
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    /** \brief
     */
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    virtual void buildBeforeRefine(AdaptInfo *adaptInfo, Flag) {}
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    /** \brief
     */
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    virtual void buildBeforeCoarsen(AdaptInfo *adaptInfo, Flag) {}
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    /** \brief
     */
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    virtual void buildAfterCoarsen(AdaptInfo *adaptInfo, Flag, bool, bool) {}
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    /** \brief
     */
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    virtual Flag markElements(AdaptInfo *adaptInfo) { 
      return 0; 
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    }
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    /** \brief
     */
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    virtual Flag refineMesh(AdaptInfo *adaptInfo) { 
      return 0; 
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    }
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    /** \brief
     */
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    virtual Flag coarsenMesh(AdaptInfo *adaptInfo) { 
      return 0; 
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    }
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    /** \brief
     * Implementation of ProblemTimeInterface::closeTimestep().
     */
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    virtual void closeTimestep() {}
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    /** \brief
     * Returns \ref name.
     */
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    inline const std::string& getName() { 
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      return name; 
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    }
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    /** \brief
     * Used by \ref problemInitial
     */
    virtual void solveInitialProblem(AdaptInfo *adaptInfo);  

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  protected:
    /** \brief
     * Name of the problem.
     */
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    std::string name;
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    ProblemStatBase *initialProblem;
  };

  // ===========================================================================
  // ===== class ProblemInstatScal =============================================
  // ===========================================================================

  /**
   * \ingroup Problem
   *
   * \brief
   * Standard implementation of ProblemTimeInterface for a time dependent problems.
   */
  class ProblemInstatScal : public ProblemInstat
  {
  public:
    MEMORY_MANAGED(ProblemInstatScal);

    /** \brief
     * Constructs a ProblemInstatScal with prob as its stationary problem.
     */
    ProblemInstatScal(char* name_, 
		      ProblemScal *prob,
		      ProblemStatBase *initialProb = NULL);

    /** \brief
     * Destructor.
     */
    virtual ~ProblemInstatScal();

    /** \brief
     * Initialisation of the problem.
     */
    virtual void initialize(Flag initFlag,
			    ProblemInstat *adoptProblem = NULL,
			    Flag adoptFlag = INIT_NOTHING);


    /** \brief
     * Used in \ref initialize().
     */
    virtual void createUhOld();
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    /** \brief
     * Implementation of ProblemTimeInterface::initTimestep().
     */
    virtual void initTimestep(AdaptInfo *adaptInfo);

    /** \brief
     * Implementation of ProblemTimeInterface::closeTimestep().
     */
    virtual void closeTimestep(AdaptInfo *adaptInfo);
  
    /** \brief
     * Returns \ref problemStat.
     */
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    inline ProblemScal* getStatProblem() { 
      return problemStat; 
    };
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    /** \brief
     * Returns \ref oldSolution.
     */
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    inline DOFVector<double> *getOldSolution() { 
      return oldSolution; 
    };
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    /** \brief
     * Used by \ref problemInitial
     */
    virtual void transferInitialSolution(AdaptInfo *adaptInfo);  

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    virtual void serialize(std::ostream &out) {};
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    virtual void deserialize(std::istream &in) {};
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  protected:
    /** \brief
     * Space problem solved in each timestep.
     */
    ProblemScal* problemStat;

    /** \brief
     * Solution of the last timestep.
     */
    DOFVector<double>* oldSolution;
  };


  // ===========================================================================
  // ===== class ProblemInstatVec ==============================================
  // ===========================================================================

  /**
   * \ingroup Problem
   *
   * \brief
   * Standard implementation of ProblemTimeInterface for a time dependent 
   * vector valued problems.
   */
  class ProblemInstatVec : public ProblemInstat
  {
  public:
    MEMORY_MANAGED(ProblemInstatVec);

    /** \brief
     * Constructs a ProblemInstatVec with prob as its stationary problem.
     */
    ProblemInstatVec(char       *name_, 
		     ProblemVec *prob,
		     ProblemStatBase *initialProb = NULL);

    /** \brief
     * Destructor.
     */
    virtual ~ProblemInstatVec();

    /** \brief
     * Initialisation of the problem.
     */
    virtual void initialize(Flag initFlag,
			    ProblemInstat *adoptProblem = NULL,
			    Flag adoptFlag = INIT_NOTHING);

    /** \brief
     * Used in \ref initialize().
     */
    virtual void createUhOld();

    /** \brief
     * Implementation of ProblemTimeInterface::initTimestep().
     */
    virtual void initTimestep(AdaptInfo *adaptInfo);

    /** \brief
     * Implementation of ProblemTimeInterface::closeTimestep().
     */
    virtual void closeTimestep(AdaptInfo *adaptInfo);
  
    /** \brief
     * Returns \ref problemStat.
     */
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    inline ProblemVec* getStatProblem() { 
      return problemStat; 
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    }
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    /** \brief
     * Returns \ref oldSolution.
     */
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    inline SystemVector *getOldSolution() { 
      return oldSolution; 
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    }
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    /** \brief
     * Used by \ref problemInitial
     */
    virtual void transferInitialSolution(AdaptInfo *adaptInfo);  

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    virtual void serialize(std::ostream &out) {}
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    virtual void deserialize(std::istream &in) {}
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  protected:
    /** \brief
     * Space problem solved in each timestep.
     */
    ProblemVec* problemStat;

    /** \brief
     * Solution of the last timestep.
     */
    SystemVector *oldSolution;
  };

}

#endif