feinterpol2d.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 feinterpol2d_h
#define feinterpol2d_h
 
#include "feinterpol.h"
#include "mathfem.h"
 
namespace oofem {
class OOFEM_EXPORT FEInterpolation2d : public FEInterpolation
{
protected:
    int xind, yind;
 
public:
    FEInterpolation2d(int o, int ind1, int ind2) : FEInterpolation(o), xind(ind1), yind(ind2) { }
 
    int giveNsd(const Element_Geometry_Type) const override { return 2; }

    virtual double giveArea(const FEICellGeometry &cellgeo) const;

    virtual double giveCharacteristicLength (const FEICellGeometry &cellgeo) const {return sqrt( this->giveArea(cellgeo) );}

    int global2local(FloatArray &answer, const FloatArray &gcoords, const FEICellGeometry &cellgeo) const override;
 
    void giveJacobianMatrixAt(FloatMatrix &jacobianMatrix, const FloatArray &lcoords, const FEICellGeometry &cellgeo) const override;
 
    virtual bool inside(const FloatArray &lcoords) const;

    IntArray boundaryEdgeGiveNodes(int boundary, const Element_Geometry_Type, bool includeHierarchical=false) const override;
    void boundaryEdgeEvalN(FloatArray &answer, int boundary, const FloatArray &lcoords, const FEICellGeometry &cellgeo) const override;
    double boundaryEdgeEvalNormal(FloatArray &answer, int boundary, const FloatArray &lcoords, const FEICellGeometry &cellgeo) const override;
 
    double boundaryEdgeGiveTransformationJacobian(int boundary, const FloatArray &lcoords, const FEICellGeometry &cellgeo) const override;
    void boundaryEdgeLocal2Global(FloatArray &answer, int boundary, const FloatArray &lcoords, const FEICellGeometry &cellgeo) const override;
 
    IntArray boundaryGiveNodes(int boundary, const Element_Geometry_Type) const override;
    void boundaryEvalN(FloatArray &answer, int boundary, const FloatArray &lcoords, const FEICellGeometry &cellgeo) const override;
    double boundaryEvalNormal(FloatArray &answer, int boundary, const FloatArray &lcoords, const FEICellGeometry &cellgeo) const override;
    double boundaryGiveTransformationJacobian(int boundary, const FloatArray &lcoords, const FEICellGeometry &cellgeo) const override;
    void boundaryLocal2Global(FloatArray &answer, int boundary, const FloatArray &lcoords, const FEICellGeometry &cellgeo) const override;

    void boundarySurfaceEvalN(FloatArray &answer, int isurf, const FloatArray &lcoords, const FEICellGeometry &cellgeo) const override;
    void boundarySurfaceEvaldNdx(FloatMatrix &answer, int isurf, const FloatArray &lcoords, const FEICellGeometry &cellgeo) const override;
    double boundarySurfaceEvalNormal(FloatArray &answer, int isurf, const FloatArray &lcoords, const FEICellGeometry &cellgeo) const override;
    void boundarySurfaceLocal2global(FloatArray &answer, int isurf, const FloatArray &lcoords, const FEICellGeometry &cellgeo) const override;
    double boundarySurfaceGiveTransformationJacobian(int isurf, const FloatArray &lcoords, const FEICellGeometry &cellgeo) const override;
    IntArray boundarySurfaceGiveNodes(int boundary, const Element_Geometry_Type, bool includeHierarchical=false) const override;
    virtual FloatArrayF<2> surfaceEvalBaseVectorsAt(int isurf, const FloatArray &lcoords, const FEICellGeometry &cellgeo) const;
    virtual void surfaceEvaldNdxi(FloatMatrix & answer, const FloatArray & lcoords) const override;    
    virtual void surfaceEvald2Ndxi2(FloatMatrix & answer, const FloatArray & lcoords) const override;
 
 
 
    

    virtual IntArray computeLocalEdgeMapping(int iedge) const = 0;
    IntArray computeEdgeMapping(const IntArray &elemNodes, int iedge) const;
    virtual void edgeEvalN(FloatArray &answer, int iedge, const FloatArray &lcoords, const FEICellGeometry &cellgeo) const = 0;
    virtual double edgeEvalNormal(FloatArray &answer, int iedge, const FloatArray &lcoords, const FEICellGeometry &cellgeo) const = 0;
    virtual void edgeEvaldNds(FloatArray &answer, int iedge, const FloatArray &lcoords, const FEICellGeometry &cellgeo) const = 0;
    virtual void edgeLocal2global(FloatArray &answer, int iedge, const FloatArray &lcoords, const FEICellGeometry &cellgeo) const = 0;
    virtual double edgeGiveTransformationJacobian(int iedge, const FloatArray &lcoords, const FEICellGeometry &cellgeo) const ;
 
};
} // end namespace oofem
#endif // feinterpol2d_h