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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: 1.1.1.1 $
00022 // $Date: 2000/09/15 08:23:16 $
00023 // $Source: /usr/local/cvs/OpenSees/SRC/analysis/algorithm/eigenAlgo/FrequencyAlgo.h,v $
00024                                                                         
00025                                                                         
00026 // File: ~/analysis/algorithm/eigenAlgo/FrequencyAlgo.h
00027 //
00028 // Written: Jun Peng
00029 // Created: Wed Feb. 8, 1999
00030 // Revision: A
00031 //
00032 // Description: This file contains the class definition of FrequencyAlgo.
00033 // FrequencyAlgo is a class which performs a eigen solution algorithm
00034 // to solve the Generalized eigen equations. It is not expected that 
00035 // this class will have subclasses.
00036 //
00037 // This class is inheritanted from the base class of SolutionAlgorithm
00038 // which was created by fmk (Frank).
00039 
00040 
00041 #ifndef FrequencyAlgo_h
00042 #define FrequencyAlgo_h
00043 
00044 #include <EigenAlgorithm.h>
00045 
00047 class FrequencyAlgo : public EigenAlgorithm
00048 {
00049   public:
00051      FrequencyAlgo();
00053      virtual ~FrequencyAlgo();
00054      
00056      virtual int solveCurrentStep(int numModes);
00057      
00059      virtual int sendSelf(int commitTag, Channel &theChannel);
00061      virtual int recvSelf(int commitTag, Channel &theChannel,
00062      FEM_ObjectBroker &theBroker);
00063      
00065      virtual void Print(ostream &s, int flag = 0);
00066   
00067   protected:
00068   
00069   private:
00070   
00071 };
00072 
00073 #endif
00074 
00075 
00076 ÿ