mixedgradientpressureneumann.h

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/*
 *
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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 mixedgradientpressurecneumann_h
#define mixedgradientpressurecneumann_h
 
#include "mixedgradientpressurebc.h"
#include "boundarycondition.h"
#include "dof.h"
#include "bctype.h"
#include "valuemodetype.h"
#include "floatarray.h"
#include "floatmatrix.h"
 
#include <memory>
 
#define _IFT_MixedGradientPressureNeumann_Name   "mixedgradientpressureneumann"
 
namespace oofem {
class MasterDof;
class Node;
class IntegrationRule;
class SparseMtrx;
class SparseLinearSystemNM;
class Element;

class OOFEM_EXPORT MixedGradientPressureNeumann : public MixedGradientPressureBC
{
protected:
    FloatArray devGradient;
    double volGradient;

    double pressure;

    std :: unique_ptr< Node > sigmaDev;
    IntArray dev_id;
 
public:
    MixedGradientPressureNeumann(int n, Domain * d);

    virtual ~MixedGradientPressureNeumann();

    int giveNumberOfInternalDofManagers() override;
    DofManager *giveInternalDofManager(int i) override;

    bcType giveType() const override { return UnknownBT; }

    void initializeFrom(InputRecord &ir) override;
    void giveInputRecord(DynamicInputRecord &input) override;
 
    void scale(double s) override;
 
    void computeFields(FloatArray &sigmaDev, double &vol, TimeStep *tStep) override;
    void computeTangents(FloatMatrix &Ed, FloatArray &Ep, FloatArray &Cd, double &Cp, TimeStep *tStep) override;
 
    void setPrescribedPressure(double p) override { pressure = p; }
    void setPrescribedDeviatoricGradientFromVoigt(const FloatArray &ddev) override;
 
    void assembleVector(FloatArray &answer, TimeStep *tStep,
                        CharType type, ValueModeType mode,
                        const UnknownNumberingScheme &s, FloatArray *eNorm=nullptr,
                        void*lock=nullptr) override;
 
    void assemble(SparseMtrx &answer, TimeStep *tStep,
                  CharType type, const UnknownNumberingScheme &r_s, const UnknownNumberingScheme &c_s, 
                  double scale = 1.0, void*lock=nullptr) override;
 
    void giveLocationArrays(std :: vector< IntArray > &rows, std :: vector< IntArray > &cols, CharType type,
                            const UnknownNumberingScheme &r_s, const UnknownNumberingScheme &c_s) override;
 
    const char *giveClassName() const override { return "MixedGradientPressureNeumann"; }
    const char *giveInputRecordName() const override { return _IFT_MixedGradientPressureNeumann_Name; }
 
protected:
    void integrateDevTangent(FloatMatrix &answer, Element *e, int boundary);
    void integrateVolTangent(FloatArray &answer, Element *e, int boundary);

    void fromDeviatoricBase2D(FloatArray &cartesian, FloatArray &deviatoric);
    void fromDeviatoricBase3D(FloatArray &cartesian, FloatArray &deviatoric);
    void fromDeviatoricBase2D(FloatMatrix &cartesian, FloatMatrix &deviatoric);
    void fromDeviatoricBase3D(FloatMatrix &cartesian, FloatMatrix &deviatoric);
};
} // end namespace oofem
 
#endif // mixedgradientpressurecneumann_h