intelpoint.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 intelpoint_h
#define intelpoint_h
 
#include "sm/Elements/Interfaces/structuralinterfaceelement.h"
#include "gaussintegrationrule.h"
#include "floatmatrixf.h"
//#include "floatarrayf.h"


#define _IFT_IntElPoint_Name "intelpoint"
#define _IFT_IntElPoint_refnode "refnode"
#define _IFT_IntElPoint_normal "normal"
#define _IFT_IntElPoint_area "area"
#define _IFT_IntElPoint_length "length"
 
namespace oofem {
class ParamKey;
class IntElPoint : public StructuralInterfaceElement
{
protected:
    enum cmode { ie1d_1d, ie1d_2d, ie1d_3d } mode;
    int referenceNode = 0;
    FloatArrayF<3> normal;
    double area = 0.;
    double length = 0.;
 
    static ParamKey IPK_IntElPoint_refnode;
    static ParamKey IPK_IntElPoint_normal;
    static ParamKey IPK_IntElPoint_area;
    static ParamKey IPK_IntElPoint_length;
 
public:
    IntElPoint(int n, Domain *d);
 
    int computeGlobalCoordinates(FloatArray &answer, const FloatArray &lcoords) override;
 
    int computeNumberOfDofs() override;
    void giveDofManDofIDMask(int inode, IntArray &answer) const override;
 
    double computeAreaAround(GaussPoint *gp) override;
 
    // definition & identification
    const char *giveInputRecordName() const override { return _IFT_IntElPoint_Name; }
    void initializeFrom(InputRecord &ir, int priority) override;
    void postInitialize() override;
    Element_Geometry_Type giveGeometryType() const override { return EGT_line_1; }
 
    MaterialMode giveMaterialMode() override;
 
    void computeTransformationMatrixAt(GaussPoint *gp, FloatMatrix &answer) override;
 
    void giveEngTraction(FloatArray &answer, GaussPoint *gp, const FloatArray &jump, TimeStep *tStep) override
    {
        if ( this->giveDomain()->giveNumberOfSpatialDimensions() == 3 ) {
            answer = this->giveInterfaceCrossSection()->giveEngTraction_3d(jump, gp, tStep);
        } else if ( this->giveDomain()->giveNumberOfSpatialDimensions() == 2 ) {
            answer = this->giveInterfaceCrossSection()->giveEngTraction_2d(jump, gp, tStep);
        } else if ( this->giveDomain()->giveNumberOfSpatialDimensions() == 1 ) {
            answer = {this->giveInterfaceCrossSection()->giveEngTraction_1d(jump.at(1), gp, tStep)};
        }
    }
 
    void giveStiffnessMatrix_Eng(FloatMatrix &answer, MatResponseMode rMode, IntegrationPoint *ip, TimeStep *tStep) override
    {
        if ( this->giveDomain()->giveNumberOfSpatialDimensions() == 3 ) {
            answer = this->giveInterfaceCrossSection()->give3dStiffnessMatrix_Eng(rMode, ip, tStep);
        } else if ( this->giveDomain()->giveNumberOfSpatialDimensions() == 2 ) {
            answer = this->giveInterfaceCrossSection()->give2dStiffnessMatrix_Eng(rMode, ip, tStep);
        } else if ( this->giveDomain()->giveNumberOfSpatialDimensions() == 1 ) {
            answer = this->giveInterfaceCrossSection()->give1dStiffnessMatrix_Eng(rMode, ip, tStep);
        }
    }
 
#ifdef __OOFEG
    void drawRawGeometry(oofegGraphicContext &gc, TimeStep *tStep) override;
    void drawDeformedGeometry(oofegGraphicContext &gc, TimeStep *tStep, UnknownType) override;
    void drawScalar(oofegGraphicContext &gc, TimeStep *tStep) override;
#endif
 
protected:
    void computeNmatrixAt(GaussPoint *gp, FloatMatrix &answer) override;
    void computeGaussPoints() override;
 
    //    void computeLocalSlipDir(FloatArrayF &normal);
    //    void computeLocalSlipDir(FloatArrayF<3> normal);
        void computeLocalSlipDir(void);    
    cmode giveCoordMode() const { return this->mode; }
    void setCoordMode();
};
} // end namespace oofem
#endif // interfaceelement1d_h