mitc4.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 mitc4_h
#define mitc4_h

#include "../sm/Elements/nlstructuralelement.h"
#include "zznodalrecoverymodel.h"
#include "sprnodalrecoverymodel.h"
#include "nodalaveragingrecoverymodel.h"
#include "spatiallocalizer.h"
#include "load.h"
//#include "eleminterpmapperinterface.h"//

#define _IFT_MITC4Shell_Name "mitc4shell"
#define _IFT_MITC4Shell_nipZ "nipz"
#define _IFT_MITC4Shell_directorType "directortype"

namespace oofem {
class FEI2dQuadLin;
#ifndef __CHARTENSOR
 #define __CHARTENSOR
enum CharTensor {
    LocalStrainTensor,
    GlobalStrainTensor,
    LocalForceTensor,
    GlobalForceTensor,
};
#endif

class MITC4Shell : public NLStructuralElement, public ZZNodalRecoveryModelInterface,
    public SPRNodalRecoveryModelInterface, public NodalAveragingRecoveryModelInterface,
    public SpatialLocalizerInterface
{
protected:
    static FEI2dQuadLin interp_lin;
    FloatMatrix GtoLRotationMatrix;
    int nPointsXY, nPointsZ, directorType;
    double drillCoeff;

public:

    MITC4Shell(int n, Domain *d);
    virtual ~MITC4Shell() { }

    virtual FEInterpolation *giveInterpolation() const;
    virtual FEInterpolation *giveInterpolation(DofIDItem id) const;
    virtual int testElementExtension(ElementExtension ext) { return ( ( ( ext == Element_EdgeLoadSupport ) || ( ext == Element_SurfaceLoadSupport ) ) ? 1 : 0 ); }

    virtual Interface *giveInterface(InterfaceType interface);

    virtual void SPRNodalRecoveryMI_giveSPRAssemblyPoints(IntArray &pap);
    virtual void SPRNodalRecoveryMI_giveDofMansDeterminedByPatch(IntArray &answer, int pap);
    virtual int SPRNodalRecoveryMI_giveNumberOfIP();
    virtual SPRPatchType SPRNodalRecoveryMI_givePatchType();
    virtual void NodalAveragingRecoveryMI_computeNodalValue(FloatArray &answer, int node, InternalStateType type, TimeStep *tStep);
    virtual void giveInternalForcesVector(FloatArray &answer, TimeStep *tStep, int useUpdatedGpRecord);


    // transformation
    bool computeGtoLRotationMatrix(FloatMatrix &answer);
    int computeLoadGToLRotationMtrx(FloatMatrix &answer);
    void computeLToDirectorRotationMatrix(FloatMatrix &answer1, FloatMatrix &answer2, FloatMatrix &answer3, FloatMatrix &answer4);
    virtual int computeLoadLEToLRotationMatrix(FloatMatrix &answer, int iEdge, GaussPoint *gp);


protected:

    virtual void computeGaussPoints();
    virtual void computeStiffnessMatrix(FloatMatrix &answer, MatResponseMode rMode, TimeStep *tStep);
    virtual void computeBmatrixAt(GaussPoint *gp, FloatMatrix &answer, int = 1, int = ALL_STRAINS);
    virtual void computeNmatrixAt(const FloatArray &iLocCoord, FloatMatrix &answer);
    virtual void computeConstitutiveMatrixAt(FloatMatrix &answer, MatResponseMode rMode, GaussPoint *gp, TimeStep *tStep);
    virtual void computeStressVector(FloatArray &answer, const FloatArray &strain, GaussPoint *gp, TimeStep *tStep);


private:
    void giveNodeCoordinates(double &x1, double &x2, double &x3, double &x4,
                             double &y1, double &y2, double &y3, double &y4,
                             double &z1, double &z2, double &z3, double &z4);
    void giveDirectorVectors(FloatArray &V1, FloatArray &V2, FloatArray &V3, FloatArray &V4);
    void giveLocalDirectorVectors(FloatArray &V1, FloatArray &V2, FloatArray &V3, FloatArray &V4);
    void giveThickness(double &a1, double &a2, double &a3, double &a4);
    void giveJacobian(FloatArray lcoords, FloatMatrix &jacobianMatrix);
    void giveLocalCoordinates(FloatArray &answer, FloatArray &global);
    const FloatMatrix *computeGtoLRotationMatrix();
    virtual int giveIPValue(FloatArray &answer, GaussPoint *gp, InternalStateType type, TimeStep *tStep);
    void giveCharacteristicTensor(FloatMatrix &answer, CharTensor type, GaussPoint *gp, TimeStep *tStep);
    virtual void printOutputAt(FILE *file, TimeStep *tStep);
    virtual int computeGlobalCoordinates(FloatArray &answer, const FloatArray &lcoords);
    virtual bool computeLocalCoordinates(FloatArray &answer, const FloatArray &coords);
    virtual double computeVolumeAround(GaussPoint *gp);
    void computeLocalBaseVectors(FloatArray &e1, FloatArray &e2, FloatArray &e3);
    void givedNdx(FloatArray &hkx, FloatArray &hky, FloatArray coords);

    void giveMidplaneIPValue(FloatArray &answer, int gpXY, InternalStateType type, TimeStep *tStep);

    // definition & identification
    virtual const char *giveClassName() const { return "MITC4Shell"; }
    virtual const char *giveInputRecordName() const { return _IFT_MITC4Shell_Name; }
    virtual IRResultType initializeFrom(InputRecord *ir);
    virtual int computeNumberOfDofs() { return 24; }
    virtual int computeNumberOfGlobalDofs() { return 24; }
    virtual integrationDomain giveIntegrationDomain() const { return _3dDegShell; }
    virtual MaterialMode giveMaterialMode() { return _3dDegeneratedShell; }


    // edge & body load
    virtual double computeEdgeVolumeAround(GaussPoint *gp, int iEdge);
    virtual void giveEdgeDofMapping(IntArray &answer, int iEdge) const;
    virtual void giveDofManDofIDMask(int inode, IntArray &) const;
    virtual double computeSurfaceVolumeAround(GaussPoint *gp, int iSurf);
    virtual IntegrationRule *GetSurfaceIntegrationRule(int approxOrder);
    virtual void computeSurfaceNMatrixAt(FloatMatrix &answer, int iSurf, GaussPoint *sgp);
    virtual void giveSurfaceDofMapping(IntArray &answer, int iSurf) const;

    virtual void computeSurfaceNMatrix(FloatMatrix &answer, int boundaryID, const FloatArray &lcoords);
    virtual void computeEdgeNMatrix(FloatMatrix &answer, int boundaryID, const FloatArray &lcoords);
    virtual void setupIRForMassMtrxIntegration(IntegrationRule &iRule);
};
} // end namespace oofem
#endif // mitc4_h