errorestimator.h

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/*
 *
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 *               ##   ##  ##   ##  ##      ##      ## ### ##
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 *             ##   ##  ##   ##  ##      ##      ##     ##
 *            ##   ##  ##   ##  ##      ##      ##     ##
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 *
 *
 *             OOFEM : Object Oriented Finite Element Code
 *
 *               Copyright (C) 1993 - 2025   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
 */
 
 
//   *****************************************
//   *** CLASS ERROR ESTIMATOR (INDICATOR) ***
//   *****************************************
 
#ifndef errorestimator_h
#define errorestimator_h
 
#include "femcmpnn.h"
#include "interface.h"
#include "errorestimatortype.h"
#include "intarray.h"
#include "internalstatetype.h"
#include "remeshingcrit.h"
 
#include <memory>


#define _IFT_ErrorEstimator_regionskipmap "regionskipmap"
#define _IFT_ErrorEstimator_IStype "istype"
 
namespace oofem {
class Domain;
class Element;
class TimeStep;
class RemeshingCriteria;

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

class OOFEM_EXPORT ErrorEstimator : public FEMComponent
{
protected:
    ErrorEstimatorType eeType;
    std :: unique_ptr< RemeshingCriteria > rc;
    IntArray regionSkipMap;
    int skippedNelems;
    InternalStateType IStype;
 
public:
    ErrorEstimator(int n, Domain * d);
    virtual ~ErrorEstimator();
    void setDomain(Domain *d) override;
    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);
    virtual void reinitialize();
 
    void initializeFrom(InputRecord &ir) override;
};
} // end namespace oofem
#endif // errorestimator_h