directerrorindicatorrc.h

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/*
 *
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 *               ##   ##  ##   ##  ##      ##      ## ### ##
 *              ##   ##  ##   ##  ####    ####    ##  #  ##
 *             ##   ##  ##   ##  ##      ##      ##     ##
 *            ##   ##  ##   ##  ##      ##      ##     ##
 *            #####    #####   ##      ######  ##     ##
 *
 *
 *             OOFEM : Object Oriented Finite Element Code
 *
 *               Copyright (C) 1993 - 2013   Borek Patzak
 *
 *
 *
 *       Czech Technical University, Faculty of Civil Engineering,
 *   Department of Structural Mechanics, 166 29 Prague, Czech Republic
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */

#ifndef directerrorindicatorrc_h
#define directerrorindicatorrc_h

#include "interface.h"
#include "remeshingcrit.h"
#include "floatarray.h"
#include "statecountertype.h"

#include <map>


#define _IFT_DirectErrorIndicatorRC_minlim "minlim"
#define _IFT_DirectErrorIndicatorRC_maxlim "maxlim"
#define _IFT_DirectErrorIndicatorRC_mindens "mindens"
#define _IFT_DirectErrorIndicatorRC_maxdens "maxdens"
#define _IFT_DirectErrorIndicatorRC_defdens "defdens"
#define _IFT_DirectErrorIndicatorRC_remeshingdensityratio "remeshingdensityratio"


namespace oofem {
class Domain;
class Element;
class TimeStep;
class ProblemCommunicator;
class ProcessCommunicator;

class DirectErrorIndicatorRC : public RemeshingCriteria
{
protected:
    double minIndicatorLimit, maxIndicatorLimit;
    double minIndicatorDensity, maxIndicatorDensity;
    double zeroIndicatorDensity;
    double remeshingDensityRatioToggle;
    FloatArray nodalDensities;
    StateCounterType stateCounter;
    RemeshingStrategy currStrategy;
#ifdef __PARALLEL_MODE
    std :: map< int, double >sharedDofManDensities;
    std :: map< int, double >sharedDofManIndicatorVals;
    bool dofManDensityExchangeFlag;
#endif

public:
    DirectErrorIndicatorRC(int n, ErrorEstimator * e);
    virtual ~DirectErrorIndicatorRC();

    virtual double giveRequiredDofManDensity(int num, TimeStep *tStep, int relative = 0);
    virtual double giveDofManDensity(int num);

    virtual IRResultType initializeFrom(InputRecord *ir);

    virtual int estimateMeshDensities(TimeStep *tStep);
    virtual RemeshingStrategy giveRemeshingStrategy(TimeStep *tStep);
    double giveMinIndicatorLimit() { return minIndicatorLimit; }
    double giveMinIndicatorDensity() { return minIndicatorDensity; }

    void giveNodeChar(int inode, TimeStep *tStep, double &indicatorVal, double &currDensity);
    double giveZeroIndicatorDensity() { return zeroIndicatorDensity; }
    virtual void reinitialize();

    virtual void setDomain(Domain *d);

    virtual const char *giveInputRecordName() const { return NULL; }
    virtual const char *giveClassName() const { return "DirectErrorIndicatorRC"; }

protected:
    double giveLocalDofManDensity(int num);
    double giveDofManIndicator(int num, TimeStep *tStep);
    double giveLocalDofManIndicator(int num, TimeStep *tStep);
#ifdef __PARALLEL_MODE
    void exchangeDofManDensities();
    int packSharedDofManLocalDensities(ProcessCommunicator &processComm);
    int unpackSharedDofManLocalDensities(ProcessCommunicator &processComm);

    void exchangeDofManIndicatorVals(TimeStep *tStep);
    int packSharedDofManLocalIndicatorVals(ProcessCommunicator &processComm);
    int unpackSharedDofManLocalIndicatorVals(ProcessCommunicator &processComm);
#endif
};
} // end namespace oofem
#endif // directerrorindicatorrc_h