incrementallinearstatic.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 - 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 incrementallinearstatic_h
#define incrementallinearstatic_h

#include "../sm/EngineeringModels/structengngmodel.h"
#include "sparselinsystemnm.h"
#include "sparsemtrxtype.h"

#include <memory>


#define _IFT_IncrementalLinearStatic_Name "incrlinearstatic"
#define _IFT_IncrementalLinearStatic_endoftimeofinterest "endoftimeofinterest"
#define _IFT_IncrementalLinearStatic_prescribedtimes "prescribedtimes"
#define _IFT_IncrementalLinearStatic_deltat "deltat"


namespace oofem {
class IncrementalLinearStatic : public StructuralEngngModel
{
protected:
    std :: unique_ptr< SparseMtrx > stiffnessMatrix;
    FloatArray loadVector;
    FloatArray internalLoadVector;
    FloatArray incrementOfDisplacementVector;
    FloatArray discreteTimes;
    bool fixedSteps;
    double deltaT;
    double endOfTimeOfInterest;
    std :: unique_ptr< SparseLinearSystemNM > nMethod;

    LinSystSolverType solverType;
    SparseMtrxType sparseMtrxType;

public:
    IncrementalLinearStatic(int i, EngngModel * _master = NULL);
    virtual ~IncrementalLinearStatic();

    virtual IRResultType initializeFrom(InputRecord *ir);

    virtual void solveYourself();
    virtual void solveYourselfAt(TimeStep *tStep);

    virtual double giveUnknownComponent(ValueModeType mode, TimeStep *tStep, Domain *d, Dof *dof);
    virtual contextIOResultType saveContext(DataStream &stream, ContextMode mode);
    virtual contextIOResultType restoreContext(DataStream &stream, ContextMode mode);
    virtual TimeStep *giveNextStep();

    double giveDiscreteTime(int iStep);
    virtual double giveEndOfTimeOfInterest() { return endOfTimeOfInterest; }

    virtual NumericalMethod *giveNumericalMethod(MetaStep *mStep);

    virtual fMode giveFormulation() { return TL; }

    virtual const char *giveInputRecordName() const { return _IFT_IncrementalLinearStatic_Name; }
    virtual const char *giveClassName() const { return "IncrementalLinearStatic"; }

    virtual int requiresUnknownsDictionaryUpdate() { return true; }
    virtual bool requiresEquationRenumbering(TimeStep *) { return true; }
    virtual void updateDofUnknownsDictionary(DofManager *, TimeStep *);
    // Here we store only total and incremental value; so hash is computed from mode value only
    virtual int giveUnknownDictHashIndx(ValueModeType mode, TimeStep *tStep);
};
} // end namespace oofem
#endif // incrementallinearstatic_h