mixedgradientpressurebc.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 mixedgradientpressurebc_h
#define mixedgradientpressurebc_h
 
#include "activebc.h"
#include "valuemodetype.h"


#define _IFT_MixedGradientPressure_devGradient "devgradient"
#define _IFT_MixedGradientPressure_pressure "pressure"
#define _IFT_MixedGradientPressure_centerCoords "ccoord"
 
namespace oofem {
class OOFEM_EXPORT MixedGradientPressureBC : public ActiveBoundaryCondition
{
public:
    MixedGradientPressureBC(int n, Domain * d) : ActiveBoundaryCondition(n, d) { }

    virtual ~MixedGradientPressureBC() { }

    bcType giveType() const override { return UnknownBT; }

    void initializeFrom(InputRecord &ir) override;

    double domainSize();

    virtual void computeFields(FloatArray &stressDev, double &vol, TimeStep *tStep) = 0;

    virtual void computeTangents(FloatMatrix &Ed, FloatArray &Ep, FloatArray &Cd, double &Cp, TimeStep *tStep) = 0;

    virtual void setPrescribedPressure(double p) = 0;

    virtual void setPrescribedDeviatoricGradientFromVoigt(const FloatArray &ddev) = 0;
};
} // end namespace oofem
 
#endif // mixedgradientpressurebc_h