errorestimator.h

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/*
 *
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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 program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */


//   *****************************************
//   *** CLASS ERROR ESTIMATOR (INDICATOR) ***
//   *****************************************

#ifndef errorestimator_h
#define errorestimator_h

#include "femcmpnn.h"
#include "compiler.h"

#include "interface.h"
#include "remeshingcrit.h"
#include "classtype.h"
#include "errorestimatortype.h"
#include "intarray.h"
#include "internalstatetype.h"

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

enum EE_ValueType { globalNormEEV, globalErrorEEV, globalWeightedErrorEEV };
enum EE_ErrorType { unknownET, indicatorET, internalStressET, primaryUnknownET };
enum EE_ErrorMode { equilibratedEM, temporaryEM };


class ErrorEstimator : public FEMComponent
{
protected:
    ErrorEstimatorType eeType;
    RemeshingCriteria *rc;
    IntArray regionSkipMap;
    int skippedNelems;
    InternalStateType IStype;

public:
    ErrorEstimator(int n, Domain *d) : FEMComponent(n, d) {
        rc = NULL;
        skippedNelems = 0;
        regionSkipMap.resize(0);
    }
    virtual ~ErrorEstimator() { if ( rc ) { delete rc; } }
    void setDomain(Domain *d);
    virtual double giveElementError(EE_ErrorType type, Element *elem, TimeStep *tStep) = 0;
    virtual double giveValue(EE_ValueType type, TimeStep *tStep) = 0;
    int giveNumberOfSkippedElements() { return skippedNelems; }
    virtual int estimateError(EE_ErrorMode mode, TimeStep *tStep) = 0;
    virtual RemeshingCriteria *giveRemeshingCrit() = 0;

    ErrorEstimatorType giveErrorEstimatorType() const { return eeType; }

    bool skipRegion(int reg) { if ( reg <= regionSkipMap.giveSize() ) { return regionSkipMap.at(reg) > 0; } else { return false; } }
    virtual void reinitialize() { this->rc->reinitialize(); }

    virtual IRResultType initializeFrom(InputRecord *ir);
    virtual const char *giveClassName() const { return "ErrorEstimator"; }
    virtual classType giveClassID() const { return ErrorEstimatorClass; }
};
} // end namespace oofem
#endif // errorestimator_h