ElasticShearSection2d.h

//----------------------------------------------------------------------------
//  XC program; finite element analysis code
//  for structural analysis and design.
//
//  Copyright (C)  Luis Claudio Pérez Tato
//
//  This program derives from OpenSees <http://opensees.berkeley.edu>
//  developed by the  «Pacific earthquake engineering research center».
//
//  Except for the restrictions that may arise from the copyright
//  of the original program (see copyright_opensees.txt)
//  XC 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 3 of the License, or 
//  (at your option) any later version.
//
//  This software 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, see <http://www.gnu.org/licenses/>.
//----------------------------------------------------------------------------
/* ****************************************************************** **
**    OpenSees - Open System for Earthquake Engineering Simulation    **
**          Pacific Earthquake Engineering Research Center            **
**                                                                    **
**                                                                    **
** (C) Copyright 1999, The Regents of the University of California    **
** All Rights Reserved.                                               **
**                                                                    **
** Commercial use of this program without express permission of the   **
** University of California, Berkeley, is strictly prohibited.  See   **
** file 'COPYRIGHT'  in main directory for information on usage and   **
** redistribution,  and for a DISCLAIMER OF ALL WARRANTIES.           **
**                                                                    **
** Developed by:                                                      **
**   Frank McKenna (fmckenna@ce.berkeley.edu)                         **
**   Gregory L. Fenves (fenves@ce.berkeley.edu)                       **
**   Filip C. Filippou (filippou@ce.berkeley.edu)                     **
**                                                                    **
** ****************************************************************** */
                                                                        
// $Revision: 1.3 $
// $Date: 2008/08/26 16:49:19 $
// $Source: /usr/local/cvs/OpenSees/SRC/material/section/ElasticShearSection2d.h,v $

#ifndef ElasticShearSection2d_h
#define ElasticShearSection2d_h

#include "BaseElasticSection2d.h"
#include <utility/matrix/Vector.h>

namespace XC {

class Parameter;
class Information;
class ResponseId;

//
class ElasticShearSection2d: public BaseElasticSection2d
  {
  private:
  
    static Vector s;
    int parameterID;
  protected:
    int sendData(CommParameters &);
    int recvData(const CommParameters &);
  public:
    //ElasticShearSection2d(int tag, double E, double A, double I,double G, double alpha);
    ElasticShearSection2d(void);
    ElasticShearSection2d(int tag,MaterialHandler *mat_ldr= nullptr);    
  
    const Vector &getStressResultant(void) const;
    const Matrix &getSectionTangent(void) const;
    const Matrix &getInitialTangent(void) const;
    const Matrix &getSectionFlexibility(void) const;
    const Matrix &getInitialFlexibility(void) const;
  
    SectionForceDeformation *getCopy(void) const;
    const ResponseId &getType(void) const;
    int getOrder(void) const;
  
    int sendSelf(CommParameters &);
    int recvSelf(const CommParameters &);
  
    int setParameter(const std::vector<std::string> &argv, Parameter &param);
    int updateParameter(int parameterID, Information &info);
    int activateParameter(int parameterID);
    const Vector& getStressResultantSensitivity(int gradIndex,bool conditional);
    const Matrix& getInitialTangentSensitivity(int gradIndex);
  };

} // end of XC namespace

#endif