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Fiber.cpp

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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: 1.5 $
00022 // $Date: 2006/09/05 22:06:39 $
00023 // $Source: /usr/local/cvs/OpenSees/SRC/material/section/fiber/Fiber.cpp,v $
00024                                                                         
00025                                                                         
00026 // File: ~/fiber/Fiber.C
00027 //
00028 // Written: Remo Magalhaes de Souza
00029 // Created: 10/98
00030 // Revision: 
00031 //
00032 // Description: This file contains the implementation for the
00033 // Fiber class. Fiber provides the abstraction of a section fiber.
00034 // 
00035 // What: "@(#) Fiber.C, revA"
00036 
00037 
00038 #include <Fiber.h>
00039 #include <Matrix.h>
00040 
00041 // constructor:
00042 Fiber::Fiber(int tag, int classTag):
00043   TaggedObject(tag), MovableObject(classTag),
00044   sDefault(0), fDefault(0)
00045 {
00046 
00047 }
00048 
00049 // destructor:
00050 Fiber::~Fiber()
00051 {
00052   if (sDefault != 0)
00053     delete sDefault;
00054   if (fDefault != 0)
00055     delete fDefault;
00056 }
00057 
00058 Response*
00059 Fiber::setResponse(const char **argv, int argc, Information &info, OPS_Stream &s)
00060 {
00061   return 0;
00062 }
00063 
00064 int
00065 Fiber::getResponse(int responseID, Information &info)
00066 {
00067   return -1;
00068 }
00069 
00070 const Vector&
00071 Fiber::getFiberSensitivity(int gradNumber, bool cond)
00072 {
00073   if (sDefault == 0)
00074     sDefault = new Vector (this->getOrder());
00075   return *sDefault;
00076 
00077 }
00078 
00079 int
00080 Fiber::commitSensitivity(const Vector &dedh, int gradNumber,
00081                          int numGrads)
00082 {
00083   return -1;
00084 }

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