b3mat.h

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/*
 *
 *                 #####    #####   ######  ######  ###   ###
 *               ##   ##  ##   ##  ##      ##      ## ### ##
 *              ##   ##  ##   ##  ####    ####    ##  #  ##
 *             ##   ##  ##   ##  ##      ##      ##     ##
 *            ##   ##  ##   ##  ##      ##      ##     ##
 *            #####    #####   ##      ######  ##     ##
 *
 *
 *             OOFEM : Object Oriented Finite Element Code
 *
 *               Copyright (C) 1993 - 2013   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 b3mat_h
#define b3mat_h

#include "maxwellChM.h"


#define _IFT_B3Material_Name "b3mat"
#define _IFT_B3Material_mode "mode"
#define _IFT_B3Material_shmode "shmode"
#define _IFT_B3Material_fc "fc"
#define _IFT_B3Material_cc "cc"
#define _IFT_B3Material_wc "w/c"
#define _IFT_B3Material_ac "a/c"
#define _IFT_B3Material_t0 "t0"
#define _IFT_B3Material_es0 "es0"
#define _IFT_B3Material_r "r"
#define _IFT_B3Material_rprime "rprime"
#define _IFT_B3Material_at "at"
#define _IFT_B3Material_wh "w_h"
#define _IFT_B3Material_ncoeff "ncoeff"
#define _IFT_B3Material_a "a"
#define _IFT_B3Material_alpha1 "alpha1"
#define _IFT_B3Material_alpha2 "alpha2"
#define _IFT_B3Material_ks "ks"
#define _IFT_B3Material_hum "hum"
#define _IFT_B3Material_vs "vs"
#define _IFT_B3Material_q1 "q1"
#define _IFT_B3Material_q2 "q2"
#define _IFT_B3Material_q3 "q3"
#define _IFT_B3Material_q4 "q4"
#define _IFT_B3Material_q5 "q5"
#define _IFT_B3Material_kt "kt"
#define _IFT_B3Material_EpsSinf "epssinf"


namespace oofem {
class B3Material : public MaxwellChainMaterial
{
protected:
    double t0; 

    double w, E28;
    double q1, q2, q3, q4, q5; // predicted data
    enum b3ShModeType { B3_NoShrinkage, B3_AverageShrinkage, B3_PointShrinkage } shMode;

    double EpsSinf, kt, ks, vs, hum;

    double es0, r, rprime, at;

    double w_h;      
    double n;        
    double a;        

public:
    B3Material(int n, Domain *d) : MaxwellChainMaterial(n, d) {
        shMode = B3_NoShrinkage;
    }
    virtual ~B3Material() { }

    virtual void giveShrinkageStrainVector(FloatArray &answer, GaussPoint *gp, TimeStep *tStep, ValueModeType mode);

    virtual const char *giveClassName() const { return "B3Material"; }
    virtual const char *giveInputRecordName() const { return _IFT_B3Material_Name; }
    virtual IRResultType initializeFrom(InputRecord *ir);

    virtual double computeCreepFunction(double t, double t_prime, GaussPoint *gp, TimeStep *tStep);

protected:
    virtual int hasIncrementalShrinkageFormulation() { return 1; }

    virtual void computeTotalAverageShrinkageStrainVector(FloatArray &answer, GaussPoint *gp, TimeStep *tStep);
    virtual void computeShrinkageStrainVector(FloatArray &answer, GaussPoint *gp, TimeStep *tStep, ValueModeType mode);
    void predictParametersFrom(double, double, double, double, double, double, double);

    double inverse_sorption_isotherm(double w);
};
} // end namespace oofem
#endif // b3mat_h