Joint2D.hGo 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: 1.9 $ 00022 // $Date: 2006/09/05 21:13:27 $ 00023 // $Source: /usr/local/cvs/OpenSees/SRC/element/joint/Joint2D.h,v $ 00024 00025 // Written: Arash & GGD 00026 // Created: 03/02 00027 // Revision: Arash 00028 00029 // Joint2D.h: interface for the Joint2d class. 00030 // 00032 00033 #ifndef Joint2D_h 00034 #define Joint2D_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 class DamageModel; 00047 00048 class Joint2D : public Element 00049 { 00050 public: 00051 Joint2D(); 00052 00053 Joint2D(int tag, int nd1, int nd2, int nd3, int nd4, int IntNodeTag, 00054 UniaxialMaterial &spring1, 00055 UniaxialMaterial &spring2, 00056 UniaxialMaterial &spring3, 00057 UniaxialMaterial &spring4, 00058 UniaxialMaterial &springC, 00059 Domain *theDomain, 00060 int LrgDisp); 00061 00062 Joint2D(int tag, int nd1, int nd2, int nd3, int nd4, int IntNodeTag, 00063 UniaxialMaterial &spring1, 00064 UniaxialMaterial &spring2, 00065 UniaxialMaterial &spring3, 00066 UniaxialMaterial &spring4, 00067 UniaxialMaterial &springC, 00068 Domain *theDomain, 00069 int LrgDisp, 00070 DamageModel &dmg1, 00071 DamageModel &dmg2, 00072 DamageModel &dmg3, 00073 DamageModel &dmg4, 00074 DamageModel &dmgC); 00075 00076 ~Joint2D(); 00077 00078 const char *getClassType(void) const {return "Joint2D";}; 00079 00080 // methods dealing with domain 00081 int getNumExternalNodes(void) const; 00082 const ID &getExternalNodes(void); 00083 Node **getNodePtrs(void); 00084 int getNumDOF(void); 00085 00086 void setDomain(Domain *theDomain); 00087 bool isSubdomain(void) { return false; } ; 00088 00089 // methods dealing with committed state and update 00090 int update(void); 00091 int commitState(void); 00092 int revertToLastCommit(void); 00093 int revertToStart(void); 00094 00095 // methods to return the current linearized stiffness, 00096 // damping and mass matrices 00097 const Matrix &getTangentStiff(void); 00098 const Matrix &getInitialStiff(void); 00099 const Matrix &getDamp(void); 00100 const Matrix &getMass(void); 00101 00102 // methods for returning and applying loads 00103 //virtual Vector &getUVLoadVector(double q1, double q2); 00104 void zeroLoad(void); 00105 int addLoad(ElementalLoad *theLoad, double loadFactor); 00106 int addInertiaLoadToUnbalance(const Vector &accel); 00107 00108 const Vector &getResistingForce(void); 00109 const Vector &getResistingForceIncInertia(void); 00110 00111 // method for graphics 00112 int displaySelf(Renderer &theViewer, int displayMode, float fact); 00113 00114 // method for obtaining information specific to an element 00115 Response* setResponse(const char **argv, int argc, Information &eleInformation, OPS_Stream &s); 00116 int getResponse(int responseID, Information &eleInformation); 00117 int sendSelf(int commitTag, Channel &theChannel); 00118 int recvSelf(int commitTag, Channel &theChannel, FEM_ObjectBroker &theBroker); 00119 void Print(OPS_Stream &s, int flag =0); 00120 00121 // AddingSensitivity:BEGIN ////////////////////////////////////////// 00122 int addInertiaLoadSensitivityToUnbalance(const Vector &accel, bool tag); 00123 int setParameter(const char **argv, int argc, Parameter ¶m); 00124 const Vector & getResistingForceSensitivity(int gradNumber); 00125 const Matrix & getKiSensitivity(int gradNumber); 00126 const Matrix & getMassSensitivity(int gradNumber); 00127 int commitSensitivity(int gradNumber, int numGrads); 00128 // AddingSensitivity:END /////////////////////////////////////////// 00129 00130 protected: 00131 int addMP_Joint(Domain *theDomain, int mpNum, int RnodeID, int CnodeID, int MainDOF, int FixedEnd, int LrgDispFlag ); 00132 00133 private: 00134 UniaxialMaterial *theSprings[5]; 00135 DamageModel *theDamages[5]; 00136 ID ExternalNodes; 00137 ID InternalConstraints; 00138 int fixedEnd[5]; 00139 Node *theNodes[5]; 00140 Domain *TheDomain; 00141 int numDof, nodeDbTag, dofDbTag; 00142 static Matrix K; 00143 static Vector V; 00144 00145 // AddingSensitivity:BEGIN ////////////////////////////////////////// 00146 int parameterID; 00147 Vector *theLoadSens; 00148 // AddingSensitivity:END /////////////////////////////////////////// 00149 }; 00150 00151 #endif
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