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 - 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
 */
 
#ifndef mitc4_h
#define mitc4_h
 
#include "sm/Elements/structuralelement.h"
#include "zznodalrecoverymodel.h"
#include "sprnodalrecoverymodel.h"
#include "nodalaveragingrecoverymodel.h"
#include "spatiallocalizer.h"
#include "load.h"
#include "floatmatrixf.h"
//#include "eleminterpmapperinterface.h"//
 
#define _IFT_MITC4Shell_Name "mitc4shell"
#define _IFT_MITC4Shell_nipZ "nipz"
#define _IFT_MITC4Shell_directorType "directortype"
 
namespace oofem {
class FEI2dQuadLin;
class ParamKey;
#ifndef __CHARTENSOR
 #define __CHARTENSOR
enum CharTensor {
    LocalStrainTensor,
    GlobalStrainTensor,
    LocalForceTensor,
    GlobalForceTensor,
};
#endif

 
class MITC4Shell : public StructuralElement, public ZZNodalRecoveryModelInterface,
    public SPRNodalRecoveryModelInterface, public NodalAveragingRecoveryModelInterface,
    public SpatialLocalizerInterface
{
protected:
    static FEI2dQuadLin interp_lin;
    FloatMatrixF< 3, 3 >GtoLRotationMatrix;
    int nPointsXY = 0, nPointsZ = 0, directorType = 0;
    double drillCoeff = 0.;
 
    static ParamKey IPK_MITC4Shell_nipZ;
    static ParamKey IPK_MITC4Shell_directorType;
 
public:
    MITC4Shell(int n, Domain *d);
 
    FEInterpolation *giveInterpolation() const override;
    FEInterpolation *giveInterpolation(DofIDItem id) const override;
    int testElementExtension(ElementExtension ext) override { return ( ( ( ext == Element_EdgeLoadSupport ) || ( ext == Element_SurfaceLoadSupport ) ) ? 1 : 0 ); }
 
    Interface *giveInterface(InterfaceType interface) override;
    // definition & identification
    const char *giveClassName() const override { return "MITC4Shell"; }
    const char *giveInputRecordName() const override { return _IFT_MITC4Shell_Name; }
    integrationDomain giveIntegrationDomain() const override { return _3dDegShell; }
    MaterialMode giveMaterialMode() override { return _3dDegeneratedShell; }
    void initializeFrom(InputRecord &ir, int priority) override;
    void postInitialize() override;
    int computeNumberOfDofs() override { return 24; }
    int computeNumberOfGlobalDofs() override { return 24; }
    Element_Geometry_Type giveGeometryType() const override {return EGT_quad_1;}
 
 
    void SPRNodalRecoveryMI_giveSPRAssemblyPoints(IntArray &pap) override;
    void SPRNodalRecoveryMI_giveDofMansDeterminedByPatch(IntArray &answer, int pap) override;
    int SPRNodalRecoveryMI_giveNumberOfIP() override;
    SPRPatchType SPRNodalRecoveryMI_givePatchType() override;
    void NodalAveragingRecoveryMI_computeNodalValue(FloatArray &answer, int node, InternalStateType type, TimeStep *tStep) override;
    void giveInternalForcesVector(FloatArray &answer, TimeStep *tStep, int useUpdatedGpRecord) override;
 
    // transformation
    bool computeGtoLRotationMatrix(FloatMatrix &answer) override;
    int computeLoadGToLRotationMtrx(FloatMatrix &answer) override;
    std::array< FloatMatrixF< 3, 3 >, 4 >computeLToDirectorRotationMatrix();
    int computeLoadLEToLRotationMatrix(FloatMatrix &answer, int iEdge, GaussPoint *gp) override;
#ifdef __OOFEG
    void drawRawGeometry(oofegGraphicContext &gc, TimeStep *tStep) override;
    void drawDeformedGeometry(oofegGraphicContext &gc, TimeStep *tStep, UnknownType type) override;
    void drawScalar(oofegGraphicContext &gc, TimeStep *tStep) override;
#endif
 
protected:
    void computeGaussPoints() override;
    void computeStiffnessMatrix(FloatMatrix &answer, MatResponseMode rMode, TimeStep *tStep) override;
    void computeBmatrixAt(GaussPoint *gp, FloatMatrix &answer, int = 1, int = ALL_STRAINS) override;
    void computeNmatrixAt(const FloatArray &iLocCoord, FloatMatrix &answer) override;
    void computeConstitutiveMatrixAt(FloatMatrix &answer, MatResponseMode rMode, GaussPoint *gp, TimeStep *tStep) override;
    void computeStressVector(FloatArray &answer, const FloatArray &strain, GaussPoint *gp, TimeStep *tStep) override;
 
 
private:
    std::array< FloatArrayF< 3 >, 4 >giveNodeCoordinates();
    std::array< FloatArrayF< 3 >, 4 >giveDirectorVectors();
    std::array< FloatArrayF< 3 >, 4 >giveLocalDirectorVectors();
    std::array< double, 4 >giveThickness();
    FloatMatrixF< 3, 3 >giveJacobian(const FloatArrayF< 3 > &lcoords);
    FloatArrayF< 3 >giveLocalCoordinates(const FloatArrayF< 3 > &global);
    int giveIPValue(FloatArray &answer, GaussPoint *gp, InternalStateType type, TimeStep *tStep) override;
    FloatMatrix giveCharacteristicTensor(CharTensor type, GaussPoint *gp, TimeStep *tStep);
    void printOutputAt(FILE *file, TimeStep *tStep) override;
    int computeGlobalCoordinates(FloatArray &answer, const FloatArray &lcoords) override;
    bool computeLocalCoordinates(FloatArray &answer, const FloatArray &coords) override;
    double computeVolumeAround(GaussPoint *gp) override;
    std::array< FloatArrayF< 3 >, 3 >computeLocalBaseVectors();
    std::array< FloatArrayF< 4 >, 2 >givedNdx(const FloatArrayF< 3 > &coords);
 
    FloatArray giveMidplaneIPValue(int gpXY, InternalStateType type, TimeStep *tStep);
 
    // edge & body load
    double computeEdgeVolumeAround(GaussPoint *gp, int iEdge) override;
    void giveEdgeDofMapping(IntArray &answer, int iEdge) const override;
    void giveDofManDofIDMask(int inode, IntArray &) const override;
    double computeSurfaceVolumeAround(GaussPoint *gp, int iSurf) override;
    void computeSurfaceNMatrixAt(FloatMatrix &answer, int iSurf, GaussPoint *sgp);  
    void giveSurfaceDofMapping(IntArray &answer, int iSurf) const override;
 
    void computeSurfaceNMatrix(FloatMatrix &answer, int boundaryID, const FloatArray &lcoords) override;
    void computeEdgeNMatrix(FloatMatrix &answer, int boundaryID, const FloatArray &lcoords) override;
    void setupIRForMassMtrxIntegration(IntegrationRule &iRule) override;
};
} // end namespace oofem
#endif // mitc4_h