OpenSees » SRC » element » forceBeamColumn

BeamIntegration.h

Go to the documentation of this file.
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: 1.7 $
00022 // $Date: 2006/09/05 22:57:11 $
00023 // $Source: /usr/local/cvs/OpenSees/SRC/element/forceBeamColumn/BeamIntegration.h,v $
00024 
00025 #ifndef BeamIntegration_h
00026 #define BeamIntegration_h
00027 
00028 #include <OPS_Globals.h>
00029 #include <MovableObject.h>
00030 
00031 class Matrix;
00032 class ElementalLoad;
00033 class Information;
00034 
00035 class BeamIntegration : public MovableObject
00036 {
00037  public:
00038   BeamIntegration(int classTag);
00039   virtual ~BeamIntegration();
00040 
00041   virtual void getSectionLocations(int nIP, double L, double *xi) = 0;
00042   virtual void getSectionWeights(int nIP, double L, double *wt) = 0;
00043 
00044   virtual void addElasticDeformations(ElementalLoad *theLoad,
00045                                       double loadFactor,
00046                                       double L, double *v0) {return;}
00047   // Return 0 if there is no elastic interior, -1 otherwise
00048   virtual int addElasticFlexibility(double L, Matrix &fe) {return 0;}
00049 
00050   virtual double getTangentDriftI(double L, double LI, double q2,
00051                                   double q3, bool yAxis = false) {return 0.0;}
00052   virtual double getTangentDriftJ(double L, double LI, double q2,
00053                                   double q3, bool yAxis = false) {return 0.0;}
00054 
00055   virtual BeamIntegration *getCopy(void) = 0;
00056 
00057   virtual void getLocationsDeriv(int nIP, double L, double dLdh,
00058                                  double *dptsdh);
00059   virtual void getWeightsDeriv(int nIP, double L, double dLdh,
00060                                double *dwtsdh);
00061   // Return 0 if there is no elastic interior, -1 otherwise
00062   virtual int addElasticFlexDeriv(double L, Matrix &dfedh,
00063                                   double dLdh = 0.0) {return 0;}
00064 
00065   virtual void Print(OPS_Stream &s, int flag = 0) = 0;
00066 };
00067 
00068 #endif

Generated on Mon Oct 23 15:05:05 2006 for OpenSees by doxygen 1.5.0