linearedgeload.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 linearedgeload_h
#define linearedgeload_h
 
#include "boundaryload.h"
#include "floatarray.h"


#define _IFT_LinearEdgeLoad_Name "linearedgeload"
#define _IFT_LinearEdgeLoad_formulation "formulation"
#define _IFT_LinearEdgeLoad_startcoord "sc"
#define _IFT_LinearEdgeLoad_endcoord "ec"
 
namespace oofem {
class TimeStep;

class OOFEM_EXPORT LinearEdgeLoad : public EdgeLoad
{
protected:
    FloatArray startCoords, endCoords;
    FormulationType formulation;
 
public:
    LinearEdgeLoad(int i, Domain * d) : EdgeLoad(i, d) { }
    virtual ~LinearEdgeLoad() { }
 
    int giveApproxOrder() override { return 1; }
    void initializeFrom(InputRecord &ir) override;
    void giveInputRecord(DynamicInputRecord &input) override;
    bcGeomType giveBCGeoType() const override { return EdgeLoadBGT; }
    FormulationType giveFormulationType() override { return formulation; }
 
    const char *giveClassName() const override { return "LinearEdgeLoad"; }
    const char *giveInputRecordName() const override { return _IFT_LinearEdgeLoad_Name; }
 
protected:
    void computeNArray(FloatArray &answer, const FloatArray &coords) const override;
};
} // end namespace oofem
#endif // linearedgeload_h