prescribedgradientmultiple.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 PRESCRIBEDGRADIENTBCMULTIPLE_H_
#define PRESCRIBEDGRADIENTBCMULTIPLE_H_
 
#include "prescribedgradienthomogenization.h"
#include "activebc.h"
 
#include <memory>
 
#define _IFT_PrescribedGradientMultiple_Name   "prescribedgradientmultiple"
#define _IFT_PrescribedGradientMultiple_BCs    "bcs"
 
namespace oofem {
class Node;
class Element;
class OOFEM_EXPORT PrescribedGradientMultiple : public ActiveBoundaryCondition, public PrescribedGradientHomogenization
{
public:
    PrescribedGradientMultiple(int n, Domain *d);
    virtual ~PrescribedGradientMultiple();
 
    void initializeFrom(InputRecord &ir) override;
    void giveInputRecord(DynamicInputRecord &input) override;
 
    bcType giveType() const override { return UnknownBT; }
    DofManager *giveInternalDofManager(int i) override;
 
    void setPrescribedGradient(const FloatMatrix &t) override;
    void setPrescribedGradientVoigt(const FloatArray &t) override;
    void setCenterCoordinate(FloatArray &x) override;
    void scale(double s) override;
 
    const char *giveClassName() const override { return "PrescribedGradientMultiple"; }
    const char *giveInputRecordName() const override { return _IFT_PrescribedGradientMultiple_Name; }
 
    void computeField(FloatArray &sigma, TimeStep *tStep) override;
    void computeTangent(FloatMatrix &tangent, TimeStep *tStep) override;
 
protected:
    IntArray bcs;
};
} /* namespace oofem */
 
#endif /* PRESCRIBEDGRADIENTBCMULTIPLE_H_ */