TzSimple1.hGo to the documentation of this file.00001 /* ********************************************************************* 00002 ** Module: TzSimple1.h 00003 ** 00004 ** Purpose: Provide a simple t-z spring for OpenSees 00005 ** 00006 ** Developed by Ross W. Boulanger 00007 ** (C) Copyright 2002, All Rights Reserved. 00008 ** 00009 ** ****************************************************************** */ 00010 00011 // $Revision: 1.0 00012 // $Date: 2002/1/19 00013 // $Source: /OpenSees/SRC/material/uniaxial/TzSimple1.h 00014 00015 #ifndef TZSIMPLE1_H 00016 #define TZSIMPLE1_H 00017 00018 // Written: RWB 00019 // Created: Jan 2002 00020 // tested and checked: Boris Jeremic (jeremic@ucdavis.edu) Spring 2002 00021 // 00022 // Description: This file contains the class definition for TzSimple1. 00023 // 00024 00025 #include <UniaxialMaterial.h> 00026 00027 00028 class TzSimple1 : public UniaxialMaterial 00029 { 00030 public: 00031 TzSimple1(int tag, int classtag, int tzType, double tult, double z50, double dashpot); 00032 TzSimple1(); 00033 ~TzSimple1(); 00034 00035 const char *getClassType(void) const {return "TzSimple1";}; 00036 00037 int setTrialStrain(double y, double yRate); 00038 double getStrain(void); 00039 double getStress(void); 00040 double getTangent(void); 00041 double getInitialTangent(void); 00042 double getStrainRate(void); 00043 double getDampTangent(void); 00044 00045 int commitState(void); 00046 int revertToLastCommit(void); 00047 int revertToStart(void); 00048 00049 UniaxialMaterial *getCopy(void); 00050 00051 int sendSelf(int commitTag, Channel &theChannel); 00052 int recvSelf(int commitTag, Channel &theChannel, 00053 FEM_ObjectBroker &theBroker); 00054 00055 void Print(OPS_Stream &s, int flag =0); 00056 00057 00058 protected: 00059 00060 // Material parameters 00061 int tzType; // tz relation type 00062 double tult; // Material capacity 00063 double z50; // z at 50% of tult 00064 double zref; // reference point for Near Field spring 00065 double np; // exponent for hardening shape of Near Field Spring 00066 double dashpot; // dashpot on the far-field (elastic) component 00067 00068 private: 00069 00070 // Functions to get t & z for elastic & plastic components 00071 void getNearField(double zlast, double dz, double dz_old); 00072 void getFarField(double z); 00073 00074 // Committed history variables for entire t-z material 00075 double Cz; // Committed t 00076 double Ct; // Committed z 00077 double Ctangent; // Committed tangent 00078 00079 // Trial history variables for entire t-z material 00080 double Tz; // Trial z 00081 double Tt; // Trial t 00082 double Ttangent; // Trial tangent 00083 double TzRate; // Trial velocity 00084 00085 // Committed internal parameters for the NearField plastic component 00086 double CNF_tin; // t at start of current plastic loading cycle 00087 double CNF_zin; // z at start of current plastic loading cycle 00088 double CNF_t; // current t 00089 double CNF_z; // current z 00090 double CNF_tang; // tangent 00091 00092 // Trial internal parameters for the NearField plastic component 00093 double TNF_tin; // t at start of current plastic loading cycle 00094 double TNF_zin; // z at start of current plastic loading cycle 00095 double TNF_t; // current t 00096 double TNF_z; // current z 00097 double TNF_tang; // tangent 00098 00099 // Committed internal parameters for the Far Field elastic component 00100 double CFar_z; // current z 00101 double CFar_t; // current t 00102 double CFar_tang; // tangent 00103 00104 // Trial internal parameters for the Far Field component 00105 double TFar_z; // current z 00106 double TFar_t; // current t 00107 double TFar_tang; // tangent 00108 00109 double initialTangent; 00110 00111 }; 00112 00113 00114 #endif
Generated on Mon Oct 23 15:05:21 2006 for OpenSees by |
opensees-support @ berkeley.edu
Supported by the National Science Foundation
©2006, UC Regents