nldeidynamic.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 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 nldeidynamic_h
#define nldeidynamic_h

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

#define LOCAL_ZERO_MASS_REPLACEMENT 1


#define _IFT_NlDEIDynamic_Name "nldeidynamic"
#define _IFT_NlDEIDynamic_dumpcoef "dumpcoef"
#define _IFT_NlDEIDynamic_deltat "deltat"
#define _IFT_NlDEIDynamic_drflag "drflag"
#define _IFT_NlDEIDynamic_tau "tau"
#define _IFT_NlDEIDynamic_py "py"
#define _IFT_NlDEIDynamic_nonlocalext "nonlocalext"


namespace oofem {
class NlDEIDynamic : public StructuralEngngModel
{
protected:
    FloatArray massMatrix;
    FloatArray loadVector;
    FloatArray previousIncrementOfDisplacementVector;
    FloatArray displacementVector, velocityVector, accelerationVector;
    FloatArray internalForces;
    double dumpingCoef;
    double deltaT;
    int initFlag;

    // dynamic relaxation specific vars
    int drFlag;
    FloatArray loadRefVector;
    double c;
    double pt;
    double Tau;
    double pyEstimate;
    double pMp;

    SparseMtrx *massMatrixConsistent;
    LinSystSolverType solverType;
    SparseMtrxType sparseMtrxType;
    SparseLinearSystemNM *nMethod;

public:
    NlDEIDynamic(int i, EngngModel * _master = NULL);

    virtual ~NlDEIDynamic();

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

    virtual void updateYourself(TimeStep *tStep);
    virtual double giveUnknownComponent(ValueModeType type, TimeStep *tStep, Domain *d, Dof *dof);
    virtual IRResultType initializeFrom(InputRecord *ir);

    virtual TimeStep *giveNextStep();
    virtual NumericalMethod *giveNumericalMethod(MetaStep *mStep);

    virtual contextIOResultType saveContext(DataStream &stream, ContextMode mode);
    virtual contextIOResultType restoreContext(DataStream &stream, ContextMode mode);

    virtual void printOutputAt(FILE *file, TimeStep *tStep);

    virtual void printDofOutputAt(FILE *stream, Dof *iDof, TimeStep *tStep);

    // identification
    virtual const char *giveInputRecordName() const { return _IFT_NlDEIDynamic_Name; }
    virtual const char *giveClassName() const { return "NlDEIDynamic"; }
    virtual fMode giveFormulation() { return TL; }

    virtual int giveNumberOfFirstStep(bool force = false) { return 0; }

protected:
    void computeLoadVector(FloatArray &answer, ValueModeType mode, TimeStep *tStep);
    void computeMassMtrx(FloatArray &mass, double &maxOm, TimeStep *tStep);
    void computeMassMtrx2(FloatMatrix &mass, double &maxOm, TimeStep *tStep);

public:
    virtual int estimateMaxPackSize(IntArray &commMap, DataStream &buff, int packUnpackType);
};
} // end namespace oofem
#endif // nldeidynamic_h