trwarp.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 tr_warp_h
#define tr_warp_h
 
#include "structuralelement.h"
#include "spatiallocalizer.h"
#include "zznodalrecoverymodel.h"
#include "fei2dtrlin.h"
 
#define _IFT_Tr_Warp_Name "trwarp"
 
 
namespace oofem {
class Tr_Warp : public StructuralElement, public SpatialLocalizerInterface, public ZZNodalRecoveryModelInterface
{
protected:
    static FEI2dTrLin interp;
 
public:
    Tr_Warp(int n, Domain *d);
    virtual ~Tr_Warp();
    void computeFirstMomentOfArea(FloatArray &answer);
    double computeVolumeAround(GaussPoint *gp) override;
    void giveEdgeDofMapping(IntArray &answer, int iEdge) const override;
    void computeEdgeLoadVectorAt(FloatArray &answer, Load *load, TimeStep *tStep, ValueModeType mode);
    void giveCharacteristicVector(FloatArray &answer, CharType mtrx, ValueModeType mode, TimeStep *tStep) override;
    // definition
    const char *giveInputRecordName() const override { return _IFT_Tr_Warp_Name; }
    const char *giveClassName() const override { return "Tr_WarpElement"; }
 
    int computeNumberOfDofs() override { return 4; }
    void initializeFrom(InputRecord &ir, int priority) override;
    MaterialMode giveMaterialMode() override { return _Warping; }
    double giveThicknessAt(const FloatArray &gcoords);
    void computeStressVector(FloatArray &answer, const FloatArray &strain, GaussPoint *gp, TimeStep *tStep) override;
    void computeConstitutiveMatrixAt(FloatMatrix &answer, MatResponseMode rMode, GaussPoint *gp, TimeStep *tStep) override;
    void computeNmatrixAt(const FloatArray &iLocCoord, FloatMatrix &answer) override;
    void computeBmatrixAt(GaussPoint *gp, FloatMatrix &answer, int li, int ui) override;
    void giveDofManDofIDMask(int inode, IntArray &answer) const override;
 
    Interface *giveInterface(InterfaceType t) override;
 
    void giveInternalDofManDofIDMask(int inode, IntArray &answer) const override;
    DofManager *giveInternalDofManager(int i) const override;
 
    int giveNumberOfInternalDofManagers() const override { return 1; }
 
    void ZZNodalRecoveryMI_computeNNMatrix(FloatArray &answer, InternalStateType type) override;
    bool ZZNodalRecoveryMI_computeNValProduct(FloatMatrix &answer, InternalStateType type, TimeStep *tStep) override;
    int SpatialLocalizerI_containsPoint(const FloatArray &coords) override;
 
    FEInterpolation *giveInterpolation() const override { return & this->interp; }
    Element_Geometry_Type giveGeometryType() const override { return EGT_triangle_1; }
#ifdef __OOFEG
    // Graphics output
    //void drawYourself(oofegGraphicContext&) override;
    //void drawRawGeometry(oofegGraphicContext&) override {}
    //void drawDeformedGeometry(oofegGraphicContext&, UnknownType) override {}
#endif
 
protected:
    void computeGaussPoints() override;
    double computeEdgeVolumeAround(GaussPoint *gp, int iEdge) override;
    void transformCoordinates(FloatArray &answer, FloatArray &c, const int CGnumber);
    void postInitialize() override;
};
} // end namespace oofem
#endif // tr_warp_h