intmatelastic.C

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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 program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
 
#include "intmatelastic.h"
#include "gausspoint.h"
#include "floatmatrix.h"
#include "floatarray.h"
#include "mathfem.h"
#include "datastream.h"
#include "contextioerr.h"
#include "classfactory.h"
#include "dynamicinputrecord.h"
 
namespace oofem {
REGISTER_Material(IntMatElastic);
 
IntMatElastic :: IntMatElastic(int n, Domain *d) : StructuralInterfaceMaterial(n, d) { }
 
 
FloatArrayF<3>
IntMatElastic :: giveFirstPKTraction_3d(const FloatArrayF<3> &jump, const FloatMatrixF<3,3> &F, GaussPoint *gp, TimeStep *tStep) const
{
    StructuralInterfaceMaterialStatus *status = static_cast< StructuralInterfaceMaterialStatus * >( this->giveStatus(gp) );
 
    auto answer = k * jump;
 
    status->letTempJumpBe(jump);
    status->letTempFirstPKTractionBe(answer);
    status->letTempTractionBe(answer);
    
    return answer;
}
 
FloatMatrixF<3,3>
IntMatElastic :: give3dStiffnessMatrix_dTdj(MatResponseMode rMode, GaussPoint *gp, TimeStep *tStep) const
{
    return eye<3>() * k;
}
 
void
IntMatElastic :: initializeFrom(InputRecord &ir)
{
    StructuralInterfaceMaterial :: initializeFrom(ir);
 
    IR_GIVE_FIELD(ir, k, _IFT_IntMatElastic_kn);
}
 
void IntMatElastic :: giveInputRecord(DynamicInputRecord &input)
{
    StructuralInterfaceMaterial :: giveInputRecord(input);
 
    input.setField(k, _IFT_IntMatElastic_kn);
}
 
} /* namespace oofem */