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HingeRadauTwoBeamIntegration3d.h

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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: 1.5 $
00022 // $Date: 2003/06/10 00:36:09 $
00023 // $Source: /usr/local/cvs/OpenSees/SRC/element/forceBeamColumn/HingeRadauTwoBeamIntegration3d.h,v $
00024 
00025 #ifndef HingeRadauTwoBeamIntegration3d_h
00026 #define HingeRadauTwoBeamIntegration3d_h
00027 
00028 #include <BeamIntegration.h>
00029 
00030 class Matrix;
00031 class ElementalLoad;
00032 class Channel;
00033 class FEM_ObjectBroker;
00034 
00035 class HingeRadauTwoBeamIntegration3d : public BeamIntegration
00036 {
00037  public:
00038   HingeRadauTwoBeamIntegration3d(double E, double A, double Iz,
00039                                  double Iy, double G, double J,
00040                                  double lpI, double lpJ);
00041   HingeRadauTwoBeamIntegration3d();
00042   ~HingeRadauTwoBeamIntegration3d();
00043   
00044   void getSectionLocations(int numSections, double L, double *xi);
00045   void getSectionWeights(int numSections, double L, double *wt);
00046   
00047   void addElasticDeformations(ElementalLoad *theLoad, double loadFactor,
00048                               double L, double *v0);
00049   int addElasticFlexibility(double L, Matrix &fe);
00050 
00051   double getTangentDriftI(double L, double LI, double q2, double q3, bool yAxis);
00052   double getTangentDriftJ(double L, double LI, double q2, double q3, bool yAxis);
00053 
00054   BeamIntegration *getCopy(void);
00055 
00056   int sendSelf(int cTag, Channel &theChannel);
00057   int recvSelf(int cTag, Channel &theChannel, FEM_ObjectBroker &theBroker);
00058 
00059   int setParameter(const char **argv, int argc, Information &info);
00060   int updateParameter(int parameterID, Information &info);
00061   int activateParameter(int parameterID);
00062 
00063   void Print(OPS_Stream &s, int flag = 0);
00064 
00065  private:
00066   double E;
00067   double A;
00068   double Iz;
00069   double Iy;
00070   double G;
00071   double J;
00072   
00073   double lpI;
00074   double lpJ;
00075 };
00076 
00077 #endif

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