layeredcrosssection.h

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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 layeredcrosssection_h
#define layeredcrosssection_h
 
#include "sm/CrossSections/structuralcrosssection.h"
#include "floatarray.h"
#include "floatmatrix.h"
#include "interface.h"
#include "gaussintegrationrule.h"
#include "domain.h"
 
#include <vector>
#include <memory>


#define _IFT_LayeredCrossSection_Name "layeredcs"
#define _IFT_LayeredCrossSection_nlayers "nlayers"
#define _IFT_LayeredCrossSection_layermaterials "layermaterials"
#define _IFT_LayeredCrossSection_interfacematerials "interfacematerials"
#define _IFT_LayeredCrossSection_layerRotations "rotations"
#define _IFT_LayeredCrossSection_thicks "thicks"
#define _IFT_LayeredCrossSection_widths "widths"
#define _IFT_LayeredCrossSection_midsurf "midsurf"
#define _IFT_LayeredCrossSection_nintegrationpoints "nintegrationpoints"
#define _IFT_LayeredCrossSection_nlayerintegrationpoints "layerintegrationpoints"
#define _IFT_LayeredCrossSection_initiationlimits "initiationlimits"
#define _IFT_LayeredCrossSection_shearcoeff_xz "beamshearcoeffxz"
 
namespace oofem {
class StructuralMaterial;

class LayeredCrossSection : public StructuralCrossSection
{
protected:
    IntArray layerMaterials; 
    IntArray interfacerMaterials; 
    FloatArray layerThicks; 
    FloatArray layerWidths; 
    FloatArray layerMidZ;   
    FloatArray layerRots;   
    int numberOfLayers = 0;
    int numberOfIntegrationPoints = 1; 
    IntArray layerIntegrationPoints;
    double midSurfaceZcoordFromBottom = 0.;
    double midSurfaceXiCoordFromBottom = 0.;
    double totalThick = 0.;
    double area = 0.;
    double beamShearCoeffxz = 1.0;
public:
    LayeredCrossSection(int n, Domain *d) :
        StructuralCrossSection(n, d)
    { }
 
    void initializeFrom(InputRecord &ir) override;
    void giveInputRecord(DynamicInputRecord &input) override;
 
    void createMaterialStatus(GaussPoint &iGP) override;
 
    //Create slave integration points
    int setupIntegrationPoints(IntegrationRule &irule, int npoints, Element *element) override;
    int setupIntegrationPoints(IntegrationRule &irule, int npointsXY, int npointsZ, Element *element) override;
 
    FloatArrayF< 6 >giveRealStress_3d(const FloatArrayF< 6 > &reducedStrain, GaussPoint *gp, TimeStep *tStep) const override;
    FloatArrayF< 6 >giveRealStress_3dDegeneratedShell(const FloatArrayF< 6 > &reducedStrain, GaussPoint *gp, TimeStep *tStep) const override;
    FloatArrayF< 4 >giveRealStress_PlaneStrain(const FloatArrayF< 4 > &reducedStrain, GaussPoint *gp, TimeStep *tStep) const override;
    FloatArrayF< 3 >giveRealStress_PlaneStress(const FloatArrayF< 3 > &reducedStrain, GaussPoint *gp, TimeStep *tStep) const override;
    FloatArrayF< 1 >giveRealStress_1d(const FloatArrayF< 1 > &reducedStrain, GaussPoint *gp, TimeStep *tStep) const override;
    FloatArrayF< 2 >giveRealStress_Warping(const FloatArrayF< 2 > &reducedStrain, GaussPoint *gp, TimeStep *tStep) const override;
 
    FloatMatrixF< 6, 6 >giveStiffnessMatrix_3d(MatResponseMode mode, GaussPoint *gp, TimeStep *tStep) const override;
    FloatMatrixF< 3, 3 >giveStiffnessMatrix_PlaneStress(MatResponseMode mode, GaussPoint *gp, TimeStep *tStep) const override;
    FloatMatrixF< 4, 4 >giveStiffnessMatrix_PlaneStrain(MatResponseMode mode, GaussPoint *gp, TimeStep *tStep) const override;
    FloatMatrixF< 1, 1 >giveStiffnessMatrix_1d(MatResponseMode mode, GaussPoint *gp, TimeStep *tStep) const override;
 
    FloatArrayF< 3 >giveGeneralizedStress_Beam2d(const FloatArrayF< 3 > &generalizedStrain, GaussPoint *gp, TimeStep *tStep) const override;
    FloatArrayF< 6 >giveGeneralizedStress_Beam3d(const FloatArrayF< 6 > &generalizedStrain, GaussPoint *gp, TimeStep *tStep) const override;
    FloatArrayF< 5 >giveGeneralizedStress_Plate(const FloatArrayF< 5 > &generalizedStrain, GaussPoint *gp, TimeStep *tStep) const override;
    FloatArrayF< 8 >giveGeneralizedStress_Shell(const FloatArrayF< 8 > &generalizedStrain, GaussPoint *gp, TimeStep *tStep) const override;
    FloatArrayF< 9 >giveGeneralizedStress_ShellRot(const FloatArrayF< 9 > &generalizedStrain, GaussPoint *gp, TimeStep *tStep) const override;
    FloatArrayF< 4 >giveGeneralizedStress_MembraneRot(const FloatArrayF< 4 > &generalizedStrain, GaussPoint *gp, TimeStep *tStep) const override;
    FloatArrayF< 3 >giveGeneralizedStress_PlateSubSoil(const FloatArrayF< 3 > &generalizedStrain, GaussPoint *gp, TimeStep *tStep) const override;
 
    void giveCharMaterialStiffnessMatrix(FloatMatrix &answer, MatResponseMode mode, GaussPoint *gp, TimeStep *tStep) override;
 
    bool isCharacteristicMtrxSymmetric(MatResponseMode mode) const override;
 
    FloatMatrixF< 3, 3 >give2dBeamStiffMtrx(MatResponseMode mode, GaussPoint *gp, TimeStep *tStep) const override;
    FloatMatrixF< 6, 6 >give3dBeamStiffMtrx(MatResponseMode mode, GaussPoint *gp, TimeStep *tStep) const override;
    FloatMatrixF< 5, 5 >give2dPlateStiffMtrx(MatResponseMode mode, GaussPoint *gp, TimeStep *tStep) const override;
    FloatMatrixF< 8, 8 >give3dShellStiffMtrx(MatResponseMode mode, GaussPoint *gp, TimeStep *tStep) const override;
    FloatMatrixF< 9, 9 >give3dShellRotStiffMtrx(MatResponseMode mode, GaussPoint *gp, TimeStep *tStep) const override;
    FloatMatrixF< 6, 6 >give3dDegeneratedShellStiffMtrx(MatResponseMode rMode, GaussPoint *gp, TimeStep *tStep) const override;
    FloatMatrixF< 4, 4 >giveMembraneRotStiffMtrx(MatResponseMode mode, GaussPoint *gp, TimeStep *tStep) const override;
    FloatMatrixF< 3, 3 >give2dPlateSubSoilStiffMtrx(MatResponseMode mode, GaussPoint *gp, TimeStep *tStep) const override;
 
    FloatArray *imposeStressConstrainsOnGradient(GaussPoint *gp, FloatArray *) override;
    FloatArray *imposeStrainConstrainsOnGradient(GaussPoint *gp, FloatArray *) override;
 
    double give(CrossSectionProperty a, GaussPoint *gp) const override;
    double give(CrossSectionProperty a, const FloatArray &coords, Element *elem, bool local) const override;
    int giveNumberOfLayers() const;
    int giveLayer(GaussPoint *gp) const;

    double computeIntegralThick() const;
    void setupLayerMidPlanes();
 
    int giveLayerMaterial(int layer) const {
        return this->layerMaterials.at(layer);
    }
 
    Material *giveMaterial(IntegrationPoint *ip) const override;
 
    int giveInterfaceMaterialNum(int interface) {
        return this->interfacerMaterials.at(interface);
    }
 
    Material *giveInterfaceMaterial(int interface) {
        int matNum = this->giveInterfaceMaterialNum(interface);
        if ( matNum ) {
            return this->giveDomain()->giveMaterial(this->interfacerMaterials.at(interface) );
        } else {
            return nullptr;
        }
    }
 
    int checkConsistency() override;
 
    double giveLayerMidZ(int layer) const {
        // Gives the z-coord measured from the geometric midplane of the (total) cross section.
        return this->layerMidZ.at(layer);
    }
    double giveLayerThickness(int layer) const {
        return this->layerThicks.at(layer);
    }
    int giveNumIntegrationPointsInLayer() const {
        return this->numberOfIntegrationPoints;
    }
    double giveMidSurfaceZcoordFromBottom() const {
        return this->midSurfaceZcoordFromBottom;
    }
    double giveMidSurfaceXiCoordFromBottom() const {
        return this->midSurfaceXiCoordFromBottom;
    }
    void giveInterfaceXiCoords(FloatArray &answer) const;
 
    // identification and auxiliary functions
    const char *giveInputRecordName() const override { return _IFT_LayeredCrossSection_Name; }
    const char *giveClassName() const override { return "LayeredCrossSection"; }
    void printYourself() override;
 
    static MaterialMode giveCorrespondingSlaveMaterialMode(MaterialMode mode);
    GaussPoint *giveSlaveGaussPoint(GaussPoint *gp, int layer, int igp) const;
 
    void saveIPContext(DataStream &stream, ContextMode mode, GaussPoint *gp) override;
    void restoreIPContext(DataStream &stream, ContextMode mode, GaussPoint *gp) override;
 
 
    void mapLayerGpCoordsToShellCoords(std::vector< std::unique_ptr< IntegrationRule > > &layerIntegrationRulesArray);
 
    void setupLayeredIntegrationRule(std::vector< std::unique_ptr< IntegrationRule > > &layerIntegrationRulesArray, Element *el, int numInPlanePoints);
 
    int giveIPValue(FloatArray &answer, GaussPoint *ip, InternalStateType type, TimeStep *tStep) override;
    double give(int aProperty, GaussPoint *gp) const override;
 
    int packUnknowns(DataStream &buff, TimeStep *tStep, GaussPoint *ip) override
    {
        OOFEM_ERROR("not implemented");
    }
 
    int unpackAndUpdateUnknowns(DataStream &buff, TimeStep *tStep, GaussPoint *ip) override
    {
        OOFEM_ERROR("not implemented");
    }
 
    int estimatePackSize(DataStream &buff, GaussPoint *ip) override
    {
        OOFEM_ERROR("not implemented");
    }
 
 
 
    FloatArrayF< 9 >giveFirstPKStress_3d(const FloatArrayF< 9 > &reducedvF, GaussPoint *gp, TimeStep *tStep) const override;
    FloatArrayF< 5 >giveFirstPKStress_PlaneStrain(const FloatArrayF< 5 > &reducedvF, GaussPoint *gp, TimeStep *tStep) const override;
    FloatArrayF< 4 >giveFirstPKStress_PlaneStress(const FloatArrayF< 4 > &reducedvF, GaussPoint *gp, TimeStep *tStep) const override;
    FloatArrayF< 1 >giveFirstPKStress_1d(const FloatArrayF< 1 > &reducedvF, GaussPoint *gp, TimeStep *tStep) const override;
 
 
    void giveCharMaterialStiffnessMatrix_dPdF(FloatMatrix &answer, MatResponseMode rMode, GaussPoint *gp, TimeStep *tStep) override;
    FloatMatrixF< 9, 9 >giveStiffnessMatrix_dPdF_3d(MatResponseMode mode, GaussPoint *gp, TimeStep *tStep) const override;
    FloatMatrixF< 5, 5 >giveStiffnessMatrix_dPdF_PlaneStrain(MatResponseMode mode, GaussPoint *gp, TimeStep *tStep) const override;
    FloatMatrixF< 4, 4 >giveStiffnessMatrix_dPdF_PlaneStress(MatResponseMode mode, GaussPoint *gp, TimeStep *tStep) const override;
    FloatMatrixF< 1, 1 >giveStiffnessMatrix_dPdF_1d(MatResponseMode mode, GaussPoint *gp, TimeStep *tStep) const override;
 
    void giveCauchyStresses(FloatArray &answer, GaussPoint *gp, const FloatArray &reducedFIncrement, TimeStep *tStep) override
    { OOFEM_ERROR("not implemented"); }
    void giveStiffnessMatrix_dCde(FloatMatrix &answer, MatResponseMode rMode, GaussPoint *gp, TimeStep *tStep) override
    { OOFEM_ERROR("not implemented"); }
 
protected:
    double giveArea() const;
    int giveSlaveGPIndex(int ilayer, int igp) const;
};

class LayeredCrossSectionInterface : public Interface
{
public:
    LayeredCrossSectionInterface() { }

    virtual void computeStrainVectorInLayer(FloatArray &answer, const FloatArray &masterGpStrain, GaussPoint *masterGp, GaussPoint *slaveGp, TimeStep *tStep) = 0;
};
 
class LayeredIntegrationRule : public IntegrationRule
{
public:
    LayeredIntegrationRule(int n, Element *e, int startIndx, int endIndx, bool dynamic = false);
    LayeredIntegrationRule(int n, Element *e);
 
    const char *giveClassName() const override { return "LayeredIntegrationRule"; }
 
    //virtual int getRequiredNumberOfIntegrationPoints(integrationDomain dType, int approxOrder);
 
    // Stores the ip numbers of the points lying on the lower and upper surface of the element.
    // Thus they will correspond to points lying on the interface between layers.
    IntArray lowerInterfacePoints, upperInterfacePoints;
 
    //int SetUpPointsOnLine(int, MaterialMode) override;      // could be used for beams
    //int SetUpPointsOnCube(int, MaterialMode mode) override; // could be used for plates/shells/solids
    int SetUpPointsOnWedge(int nPointsTri, int nPointsDepth, MaterialMode mode) override;
};
} // end namespace oofem
#endif // layeredcrosssection_h