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SimulatedRandomProcessSeries.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 2001, 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 ** Reliability module developed by:                                   **
00020 **   Terje Haukaas (haukaas@ce.berkeley.edu)                          **
00021 **   Armen Der Kiureghian (adk@ce.berkeley.edu)                       **
00022 **                                                                    **
00023 ** ****************************************************************** */
00024                                                                         
00025 // $Revision: 1.1 $
00026 // $Date: 2003/03/04 00:49:22 $
00027 // $Source: /usr/local/cvs/OpenSees/SRC/domain/pattern/SimulatedRandomProcessSeries.h,v $
00028 
00029 
00030 //
00031 // Written by Terje Haukaas (haukaas@ce.berkeley.edu), February 2002
00032 // Revised: 
00033 //
00034 
00035 #ifndef SimulatedRandomProcessSeries_h
00036 #define SimulatedRandomProcessSeries_h
00037 
00038 #include <TimeSeries.h>
00039 #include <Spectrum.h>
00040 #include <RandomNumberGenerator.h>
00041 
00042 class SimulatedRandomProcessSeries : public TimeSeries
00043 {
00044 public:
00045     SimulatedRandomProcessSeries(RandomNumberGenerator *theRandNumGenerator,
00046                                                                  Spectrum *theSpectrum,
00047                                                                  int numFreqIntervals,
00048                                                                  double mean);
00049     ~SimulatedRandomProcessSeries();
00050 
00051     // method to get load factor
00052     double getFactor(double pseudoTime);
00053 
00054     // None of the following functions should be invoked on this type
00055     // of object
00056     double getDuration () {return 0.0;} // dummy function
00057     double getPeakFactor () {return 0.0;} // dummy function
00058     double getTimeIncr (double pseudoTime) {return 1.0;} // dummy function
00059     
00060     // methods for output    
00061     int sendSelf(int commitTag, Channel &theChannel);
00062     int recvSelf(int commitTag, Channel &theChannel, 
00063                  FEM_ObjectBroker &theBroker);
00064 
00065     void Print(OPS_Stream &s, int flag =0);    
00066     
00067 protected:
00068         
00069 private:
00070         RandomNumberGenerator *theRandomNumberGenerator;
00071         Spectrum *theSpectrum;
00072         int numFreqIntervals;
00073         double mean;
00074         double deltaW;
00075         Vector *theta;
00076         Vector *A;
00077 };
00078 
00079 #endif

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