MP_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: 1.4 $ 00022 // $Date: 2004/09/01 04:01:27 $ 00023 // $Source: /usr/local/cvs/OpenSees/SRC/element/joint/MP_Joint2D.h,v $ 00024 00025 #ifndef MP_Joint2D_h 00026 #define MP_Joint2D_h 00027 00028 // Written: Arash Altoontash, Gregory Deierlein 00029 // Created: 08/01 00030 // Revision: Arash 00031 00032 // Purpose: This file contains the class definition for MP_Joint2D. 00033 // It is a sub class for MP_Constraint specialized to be used for simple joint 00034 // connection element. MP_Joint2D defines a nonlinear, time dependent multi 00035 // point constraint. 00036 // 00037 00038 #include <DomainComponent.h> 00039 #include <bool.h> 00040 #include <MP_Constraint.h> 00041 #include <Node.h> 00042 #include <Domain.h> 00043 00044 class Matrix; 00045 class ID; 00046 00047 00048 class MP_Joint2D : public MP_Constraint 00049 { 00050 public: 00051 // constructors 00052 MP_Joint2D(); 00053 00054 MP_Joint2D( Domain *theDomain, int tag, int nodeRetain, int nodeConstr, 00055 int Maindof, int fixedend , int LrgDsp = 0 ); //LrgDsp=0 means large displacement is not enabled 00056 00057 // destructor 00058 ~MP_Joint2D(); 00059 00060 // method to get information about the constraint 00061 int getNodeRetained(void) const; 00062 int getNodeConstrained(void) const; 00063 const ID &getConstrainedDOFs(void) const; 00064 const ID &getRetainedDOFs(void) const; 00065 int applyConstraint(double pseudoTime); 00066 bool isTimeVarying(void) const; 00067 const Matrix &getConstraint(void); 00068 void setDomain(Domain *theDomain); 00069 00070 // methods for output 00071 int sendSelf(int commitTag, Channel &theChannel); 00072 int recvSelf(int commitTag, Channel &theChannel, 00073 FEM_ObjectBroker &theBroker); 00074 00075 void Print(OPS_Stream &s, int flag =0); 00076 00077 00078 protected: 00079 00080 private: 00081 int nodeRetained; // to identify the retained node 00082 int nodeConstrained; // to identify the constrained node 00083 int MainDOF; // main degree of freedom for rotation 00084 int AuxDOF; // Auxilary degree of freedom for shear 00085 int FixedEnd; // fixed rotational degree of freedom at the end 00086 // released = 0 , fixed = 1 00087 00088 ID *constrDOF; // ID of constrained DOF at constrained node 00089 ID *retainDOF; // ID of related DOF at retained node 00090 Node *RetainedNode; // to identify the retained node 00091 Node *ConstrainedNode; // to identify the constrained node 00092 00093 int dbTag1, dbTag2, dbTag3; // need a dbTag for the two ID's 00094 int LargeDisplacement; // flag for large displacements enabled 00095 double Length0; 00096 Matrix *constraint; // pointer to the constraint matrix 00097 Domain *thisDomain; // pointer to domain the MP is defined on 00098 }; 00099 00100 #endif 00101
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