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NewtonRaphson.h

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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: 2005/11/29 22:42:42 $
00023 // $Source: /usr/local/cvs/OpenSees/SRC/analysis/algorithm/equiSolnAlgo/NewtonRaphson.h,v $
00024                                                                         
00025                                                                         
00026 #ifndef NewtonRaphson_h
00027 #define NewtonRaphson_h
00028 
00029 // File: ~/OOP/analysis/algorithm/NewtonRaphson.h 
00030 // 
00031 // Written: fmk 
00032 // Created: 11/96 
00033 // Revision: A 
00034 //
00035 
00036 // Description: This file contains the class definition for 
00037 // NewtonRaphson. NewtonRaphson is a class which performs a Newton-Raphson 
00038 // solution algorihm in solving the equations.
00039 // No member functions are declared as virtual as 
00040 // it is not expected that this class will be subclassed.
00041 // 
00042 // What: "@(#)NewtonRaphson.h, revA"
00043 
00044 #include <EquiSolnAlgo.h>
00045 #include <Vector.h>
00046 
00047 
00048 class NewtonRaphson: public EquiSolnAlgo
00049 {
00050   public:
00051     NewtonRaphson(int tangent = CURRENT_TANGENT);    
00052     NewtonRaphson(ConvergenceTest &theTest, int tangent = CURRENT_TANGENT);
00053     ~NewtonRaphson();
00054 
00055     int solveCurrentStep(void);    
00056     int setConvergenceTest(ConvergenceTest *theNewTest);
00057     ConvergenceTest *getConvergenceTest(void);     
00058     
00059     virtual int sendSelf(int commitTag, Channel &theChannel);
00060     virtual int recvSelf(int commitTag, Channel &theChannel, 
00061                          FEM_ObjectBroker &theBroker);
00062     void Print(OPS_Stream &s, int flag =0);    
00063     
00064   protected:
00065     
00066   private:
00067     ConvergenceTest *theTest;
00068     int tangent;
00069   
00070 };
00071 
00072 #endif
00073 
00074

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