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: 1.3 $
00022 // $Date: 2001/03/29 05:30:30 $
00023 // $Source: /usr/local/cvs/OpenSees/SRC/analysis/algorithm/equiSolnAlgo/ModifiedNewton.h,v $
00024
00025
00026 #ifndef ModifiedNewton_h
00027 #define ModifiedNewton_h
00028
00029 // File: ~/OOP/analysis/algorithm/ModifiedNewton.h
00030 //
00031 // Written: fmk
00032 // Created: 11/96
00033 // Revision: A
00034 //
00035 // Description: This file contains the class definition for
00036 // ModifiedNewton. ModifiedNewton is a class which performs a modified
00037 // Newton-Raphson solution algorihm in solving the equations.
00038 // No member functions are declared as virtual as
00039 // it is not expected that this class will be subclassed.
00040 //
00041 // What: "@(#)ModifiedNewton.h, revA"
00042
00043 #include <EquiSolnAlgo.h>
00044 #include <Vector.h>
00045
00046 #include <ConvergenceTest.h>
00047
00083 class ModifiedNewton: public EquiSolnAlgo
00084 {
00085 public:
00094 ModifiedNewton(int tangent = CURRENT_TANGENT);
00095
00101 ModifiedNewton(ConvergenceTest &theTest, int tangent = CURRENT_TANGENT);
00102
00106 ~ModifiedNewton();
00107
00108
00117 int solveCurrentStep(void);
00118
00120 ConvergenceTest *getTest(void);
00121
00123 void setTest(ConvergenceTest &theNewTest);
00124
00126 virtual int sendSelf(int commitTag, Channel &theChannel);
00128 virtual int recvSelf(int commitTag, Channel &theChannel,
00129 FEM_ObjectBroker &theBroker);
00130
00132 void Print(ostream &s, int flag =0);
00133
00134 protected:
00135
00136 private:
00138 ConvergenceTest *theTest;
00140 int tangent;
00141 };
00142
00143 #endif
00144
00145
Copyright