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00001 /* ****************************************************************** **
00002 **    OpenSees - Open System for Earthquake Engineering Simulation    **
00003 **          Pacific Earthquake Engineering Research Center            **
00004 **                                                                    **
00005 **                                                                    **
00006 ** (C) Copyright 1999, The Regents of the University of California    **
00007 ** All Rights Reserved.                                               **
00008 **                                                                    **
00009 ** Commercial use of this program without express permission of the   **
00010 ** University of California, Berkeley, is strictly prohibited.  See   **
00011 ** file 'COPYRIGHT'  in main directory for information on usage and   **
00012 ** redistribution,  and for a DISCLAIMER OF ALL WARRANTIES.           **
00013 **                                                                    **
00014 ** Developed by:                                                      **
00015 **   Frank McKenna (fmckenna@ce.berkeley.edu)                         **
00016 **   Gregory L. Fenves (fenves@ce.berkeley.edu)                       **
00017 **   Filip C. Filippou (filippou@ce.berkeley.edu)                     **
00018 **                                                                    **
00019 ** ****************************************************************** */
00020                                                                         
00021 // $Revision: 1.2 $
00022 // $Date: 2001/05/22 07:33:54 $
00023 // $Source: /usr/local/cvs/OpenSees/SRC/material/section/ElasticSection3d.h,v $
00024                                                                         
00025                                                                         
00027 // File:  ~/Src/element/hinge/ElasticSection3d.h
00028 //
00029 // Written: MHS
00030 // Date: May 2000
00031 //
00032 //
00033 // Purpose:  This header file contains the prototype
00034 // for the ElasticSection class.
00035 
00036 #ifndef ElasticSection3d_h
00037 #define ElasticSection3d_h
00038 
00039 #include <SectionForceDeformation.h>
00040 #include <Matrix.h>
00041 #include <Vector.h>
00042 
00043 #include <Channel.h>
00044 #include <FEM_ObjectBroker.h>
00045 #include <Information.h>
00046 
00048 class ElasticSection3d: public SectionForceDeformation
00049 {
00050   public:
00052  ElasticSection3d (int tag, double E, double A, double Iz, 
00053   double Iy, double G, double J);
00055     ElasticSection3d (int tag, double EA, double EIz, double EIy, double GJ);
00057  ElasticSection3d (void);
00059     ~ElasticSection3d (void);
00060 
00062     int commitState (void);
00064     int revertToLastCommit (void);
00066     int revertToStart (void);
00067 
00069     int setTrialSectionDeformation (const Vector&);
00071     const Vector &getSectionDeformation (void);
00072 
00074     const Vector &getStressResultant (void);
00076     const Matrix &getSectionTangent (void);
00078     const Matrix &getSectionFlexibility (void);
00079     
00081     SectionForceDeformation *getCopy (void);
00083     const ID &getType (void) const;
00085     int getOrder (void) const;
00086     
00088     int sendSelf (int commitTag, Channel &theChannel);
00090     int recvSelf (int commitTag, Channel &theChannel,
00091     FEM_ObjectBroker &theBroker);
00092     
00094     void Print (ostream &s, int flag = 0);
00095 
00096   protected:
00097 
00098   private:
00099    
00101     double E, A, Iz, Iy, G, J;
00102 
00104     Vector e;   
00105     Vector eCommit;
00106 
00108     static ID code;
00109 };
00110 
00111 #endif
00112 ÿ