node.h

Go to the documentation of this file.

/*
 *
 *                 #####    #####   ######  ######  ###   ###
 *               ##   ##  ##   ##  ##      ##      ## ### ##
 *              ##   ##  ##   ##  ####    ####    ##  #  ##
 *             ##   ##  ##   ##  ##      ##      ##     ##
 *            ##   ##  ##   ##  ##      ##      ##     ##
 *            #####    #####   ##      ######  ##     ##
 *
 *
 *             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
 */

/*
 * The original idea for this class comes from
 * Dubois-Pelerin, Y.: "Object-Oriented  Finite Elements: Programming concepts and Implementation",
 * PhD Thesis, EPFL, Lausanne, 1992.
 */

#ifndef node_h
#define node_h

#include "dofmanager.h"
#include "floatarray.h"


#define _IFT_Node_Name "node"
#define _IFT_Node_coords "coords"
#define _IFT_Node_lcs "lcs"


namespace oofem {
class Dof;
class NodalLoad;
class TimeStep;
class FloatArray;
class IntArray;

class OOFEM_EXPORT Node : public DofManager
{
protected:
    FloatArray coordinates;
    FloatMatrix *localCoordinateSystem;


public:

    Node(int n, Domain * aDomain);
    virtual ~Node();

    virtual bool hasCoordinates() { return true; }
    virtual double giveCoordinate(int i);
    virtual FloatArray *giveCoordinates() { return & coordinates; }

    inline const FloatArray &giveNodeCoordinates() const {return coordinates;}

    void setCoordinates(FloatArray coords) { this->coordinates = std :: move(coords); }
    virtual double giveUpdatedCoordinate(int ic, TimeStep *tStep, double scale = 1.);
    virtual void giveUpdatedCoordinates(FloatArray &answer, TimeStep *tStep, double scale = 1.);

    // local coordinate system
    bool hasLocalCS() { return ( localCoordinateSystem != NULL ); }
    FloatMatrix *giveLocalCoordinateTriplet() { return localCoordinateSystem; }
    bool hasSameLCS(Node *remote);

    virtual bool computeL2GTransformation(FloatMatrix &answer, const IntArray &dofIDArry);
    virtual bool requiresTransformation() { return ( this->hasLocalCS() || hasSlaveDofs ); }
    virtual void computeLoadVector(FloatArray &answer, Load *load, CharType type, TimeStep *tStep, ValueModeType mode);

    virtual void updateYourself(TimeStep *tStep);

    // miscellaneous
    virtual const char *giveClassName() const { return "Node"; }
    virtual const char *giveInputRecordName() const { return _IFT_Node_Name; }
    virtual IRResultType initializeFrom(InputRecord *ir);
    virtual void giveInputRecord(DynamicInputRecord &input);
    virtual void printYourself();
    virtual int checkConsistency();
    virtual bool isDofTypeCompatible(dofType type) const { return ( type == DT_master || type == DT_simpleSlave || type == DT_active ); }
    virtual int giveQcNodeType() {return 0;};


    virtual contextIOResultType saveContext(DataStream &stream, ContextMode mode, void *obj = NULL);
    virtual contextIOResultType restoreContext(DataStream &stream, ContextMode mode, void *obj = NULL);

#ifdef __OOFEG
    virtual void drawYourself(oofegGraphicContext &gc, TimeStep *tStep);
#endif
};
} // end namespace oofem
#endif // node_h