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VariableTimeStepDirectIntegrationAnalysis.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: 1.3 $
00022 // $Date: 2005/11/29 23:36:47 $
00023 // $Source: /usr/local/cvs/OpenSees/SRC/analysis/analysis/VariableTimeStepDirectIntegrationAnalysis.h,v $
00024                                                                         
00025                                                                         
00026 #ifndef VariableTimeStepDirectIntegrationAnalysis_h
00027 #define VariableTimeStepDirectIntegrationAnalysis_h
00028 
00029 // File: ~/analysis/analysis/VariableTimeStepDirectIntegrationAnalysis.h
00030 // 
00031 // Written: fmk 
00032 // Created: 10/00
00033 // Revision: A
00034 //
00035 // Description: This file contains the class definition for 
00036 // VariableTimeStepDirectIntegrationAnalysis. VariableTimeStepDirectIntegrationAnalysis 
00037 // is a subclass of DirectIntegrationAnalysis. It is used to perform a 
00038 // dynamic analysis on the FE\_Model using a direct integration scheme.  
00039 //
00040 // What: "@(#) VariableTimeStepDirectIntegrationAnalysis.h, revA"
00041 
00042 #include <DirectIntegrationAnalysis.h>
00043 
00044 class ConstraintHandler;
00045 class DOF_Numberer;
00046 class AnalysisModel;
00047 class TransientIntegrator;
00048 class LinearSOE;
00049 class EquiSolnAlgo;
00050 class ConvergenceTest;
00051 
00052 class VariableTimeStepDirectIntegrationAnalysis: public DirectIntegrationAnalysis
00053 {
00054   public:
00055     VariableTimeStepDirectIntegrationAnalysis(Domain &theDomain,
00056                                               ConstraintHandler &theHandler,
00057                                               DOF_Numberer &theNumberer,
00058                                               AnalysisModel &theModel,
00059                                               EquiSolnAlgo &theSolnAlgo,
00060                                               LinearSOE &theSOE,
00061                                               TransientIntegrator &theIntegrator,
00062                                               ConvergenceTest *theTest =0);
00063     virtual ~VariableTimeStepDirectIntegrationAnalysis();
00064 
00065     int analyze(int numSteps, double dT, double dtMin, double dtMax, int Jd);
00066 
00067   protected:
00068     virtual double determineDt(double dT, double dtMin, double dtMax, int Jd,
00069                                ConvergenceTest *theTest);
00070 
00071   private:
00072 };
00073 
00074 #endif
00075

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