nonlocalbarrier.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 nonlocalbarrier_h
#define nonlocalbarrier_h
 
#include "femcmpnn.h"
#include "nonlocalmaterialext.h"
 
namespace oofem {
class OOFEM_EXPORT NonlocalBarrier : public FEMComponent
{
public:
    NonlocalBarrier(int n, Domain * aDomain);
    virtual ~NonlocalBarrier() { }
 
    /*
     * Abstract method returning true if the barrier is activated
     * by interaction of two given points. In this case the nonlocal influence
     * is not considered. Otherwise returns false.
     * @param c1 Coordinates of first point.
     * @param c2 Coordinates of second point.
     * @return True if barrier is activated, false otherwise.
     */
    // virtual bool isActivated (const FloatArray& c1, const FloatArray& c2) = 0;

    virtual void applyConstraint(const double cl, const FloatArray &c1, const FloatArray &c2, double &weight,
                                 bool &shieldFlag, const NonlocalMaterialExtensionInterface &nei) = 0;

    virtual double calculateMinimumDistanceFromBoundary(const FloatArray &coords) = 0;
};
} // end namespace oofem
#endif // nonlocalbarrier_h