prescribedgradienthomogenization.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 prescribedgradienthomogenization_h
#define prescribedgradienthomogenization_h
 
#include "inputrecord.h"
#include "floatarray.h"
#include "floatmatrix.h"
 
#include "error.h"


#define _IFT_PrescribedGradientHomogenization_Name "prescribedgradient"
#define _IFT_PrescribedGradientHomogenization_centercoords "ccoord"
#define _IFT_PrescribedGradientHomogenization_gradient "gradient"
 
namespace oofem {
class TimeStep;
class DynamicInputRecord;
class Domain;

class OOFEM_EXPORT PrescribedGradientHomogenization
{
protected:
    FloatMatrix mGradient;

    FloatArray mCenterCoord;
 
    virtual double domainSize(Domain *d, int set);
 
public:
    PrescribedGradientHomogenization() { }
    virtual ~PrescribedGradientHomogenization() { }
 
    virtual double domainSize() { OOFEM_ERROR("Not implemented."); }

    virtual void initializeFrom(InputRecord &ir);
    virtual void giveInputRecord(DynamicInputRecord &input);

    virtual void computeField(FloatArray &sigma, TimeStep *tStep) = 0;

    virtual void computeTangent(FloatMatrix &tangent, TimeStep *tStep) = 0;

    void setPrescribedGradient(const FloatMatrix &t) { mGradient = t; }

    void setPrescribedGradientVoigt(const FloatArray &t);
    void giveGradientVoigt(FloatArray &oGradient) const;

    void setCenterCoordinate(FloatArray &x) { mCenterCoord = x; }
    FloatArray &giveCenterCoordinate() { return mCenterCoord; }
 
    virtual const char *giveClassName() const = 0;
};
} // end namespace oofem
 
#endif // prescribedgradienthomogenization_h