OpenSees » SRC » element » joint

Joint3D.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: 1.3 $
00022 // $Date: 2006/08/04 22:22:37 $
00023 // $Source: /usr/local/cvs/OpenSees/SRC/element/joint/Joint3D.h,v $
00024 
00025 // Written: Arash Altoontash, Gregory Deierlein
00026 // Created: 04/03
00027 // Revision: Arash
00028 
00029 // Joint3D.h: interface for the Joint3D class.
00030 //
00032 
00033 #ifndef Joint3D_h
00034 #define Joint3D_h
00035 
00036 #include <bool.h>
00037 #include <Matrix.h>
00038 #include <Vector.h>
00039 #include <Element.h>
00040 #include <ID.h>
00041 #include <Domain.h>
00042 
00043 class Node;
00044 class UniaxialMaterial;
00045 class Response;
00046 
00047 class Joint3D : public Element  
00048 {
00049 public:
00050   Joint3D();
00051 
00052   Joint3D(int tag, int nd1, int nd2, int nd3, int nd4, int nd5, int nd6, int IntNodeTag,
00053           UniaxialMaterial &springx,
00054           UniaxialMaterial &springy,
00055           UniaxialMaterial &springz,
00056           Domain *theDomain,
00057           int LrgDisp);
00058   
00059   
00060   ~Joint3D();
00061 
00062   const char *getClassType(void) const {return "Joint3D";};
00063   
00064   // methods dealing with domain
00065   int   getNumExternalNodes(void) const;
00066   const ID &getExternalNodes(void);
00067   Node **getNodePtrs(void);
00068   int   getNumDOF(void);
00069   
00070   void  setDomain(Domain *theDomain);  
00071   bool  isSubdomain(void) { return false; } ;
00072         
00073   // methods dealing with committed state and update
00074   int update(void);
00075   int commitState(void);
00076   int revertToLastCommit(void);
00077   int revertToStart(void);
00078   
00079   // methods to return the current linearized stiffness,
00080   // damping and mass matrices
00081   const Matrix &getTangentStiff(void);
00082   const Matrix &getInitialStiff(void);   
00083   const Matrix &getDamp(void);
00084   const Matrix &getMass(void);
00085         
00086   // methods for returning and applying loads
00087   //virtual Vector &getUVLoadVector(double q1, double q2);
00088   void  zeroLoad(void); 
00089   int addLoad(ElementalLoad *theLoad, double loadFactor);
00090   int addInertiaLoadToUnbalance(const Vector &accel);
00091 
00092   const Vector &getResistingForce(void);
00093   const Vector &getResistingForceIncInertia(void);     
00094 
00095   // method for graphics
00096   int   displaySelf(Renderer &theViewer, int displayMode, float fact);  
00097         
00098   // method for obtaining information specific to an element
00099   Response* setResponse(const char **argv, int argc, Information &eleInformation, OPS_Stream &s);
00100   int getResponse(int responseID, Information &eleInformation);
00101   int sendSelf(int commitTag, Channel &theChannel);
00102   int recvSelf(int commitTag, Channel &theChannel, FEM_ObjectBroker &theBroker);
00103   void Print(OPS_Stream &s, int flag =0);
00104 
00105 
00106  protected:
00107   int   addMP_Joint(Domain *theDomain, int mpNum, int RetNodeID, int ConNodeID,
00108                     int RotNodeID, int Rdof, int DspNodeID, int Ddof, 
00109                     int LrgDispFlag );   
00110   
00111  private:
00112   UniaxialMaterial *theSprings[3]; 
00113   ID            ExternalNodes;
00114   ID            InternalConstraints;
00115   Node          *theNodes[7];
00116   Domain        *TheDomain;
00117   int           numDof, nodeDbTag, dofDbTag;
00118   static        Matrix K;
00119   static        Vector V;
00120 };
00121 
00122 #endif

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