FiberSection.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: 1.6 $ 00022 // $Date: 2003/02/25 23:33:33 $ 00023 // $Source: /usr/local/cvs/OpenSees/SRC/material/section/FiberSection.h,v $ 00024 00025 // Written: MHS 00026 // Created: Aug 2000 00027 // 00028 // Description: This file contains the class definition for 00029 // FiberSection.h. FiberSection provides the abstraction of a 00030 // section discretized by fibers. The section stiffness and 00031 // stress resultants are obtained by summing fiber contributions. 00032 00033 #ifndef FiberSection_h 00034 #define FiberSection_h 00035 00036 #include <SectionForceDeformation.h> 00037 #include <Vector.h> 00038 #include <Matrix.h> 00039 00040 class Fiber; 00041 class Response; 00042 00043 class FiberSection : public SectionForceDeformation 00044 { 00045 public: 00046 FiberSection(); 00047 FiberSection(int tag, int estNumFibers = 8); 00048 FiberSection(int tag, int numFibers, Fiber **fibers); 00049 ~FiberSection(); 00050 00051 int setTrialSectionDeformation(const Vector &deforms); 00052 const Vector &getSectionDeformation(void); 00053 00054 const Vector &getStressResultant(void); 00055 const Matrix &getSectionTangent(void); 00056 00057 int commitState(void); 00058 int revertToLastCommit(void); 00059 int revertToStart(void); 00060 00061 SectionForceDeformation *getCopy(void); 00062 const ID &getType (void); 00063 int getOrder (void) const; 00064 00065 int sendSelf(int cTag, Channel &theChannel); 00066 int recvSelf(int cTag, Channel &theChannel, 00067 FEM_ObjectBroker &theBroker); 00068 void Print(OPS_Stream &s, int flag = 0); 00069 00070 Response *setResponse(const char **argv, int argc, Information &info); 00071 int getResponse(int responseID, Information &info); 00072 00073 int addFiber(Fiber &theFiber); 00074 00075 protected: 00076 00077 private: 00078 int numFibers; // number of fibers in the section 00079 Fiber **theFibers; // array of pointers to fibers 00080 // that form the section 00081 int sizeFibers; // size of the fibers array 00082 00083 int order; 00084 ID *code; 00085 00086 Vector *e; // section trial deformations 00087 Vector *eCommit; 00088 Vector *s; // section resisting forces (axial force, bending moment) 00089 Matrix *ks; // section stiffness 00090 00091 int otherDbTag; 00092 }; 00093 00094 #endif
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