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TransientIntegrator.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: 1.6 $
00022 // $Date: 2003/03/06 20:32:01 $
00023 // $Source: /usr/local/cvs/OpenSees/SRC/analysis/integrator/TransientIntegrator.h,v $
00024                                                                         
00025                                                                         
00026 // File: ~/analysis/integrator/TransientIntegrator.h
00027 // 
00028 // Written: fmk 
00029 // Created: Tue Sept 17 15:54:47: 1996
00030 // Revision: A
00031 //
00032 // Description: This file contains the class definition for TransientIntegrator.
00033 // TransientIntegrator is an algorithmic class for setting up the finite element
00034 // equations for a static analysis and for Incrementing the nodal displacements
00035 // with the values in the soln vector to the LinearSOE object. 
00036 //
00037 // What: "@(#) TransientIntegrator.h, revA"
00038 
00039 #ifndef TransientIntegrator_h
00040 #define TransientIntegrator_h
00041 
00042 #include <IncrementalIntegrator.h>
00043 class Information;
00044 class LinearSOE;
00045 class AnalysisModel;
00046 class FE_Element;
00047 class DOF_Group;
00048 class Vector;
00049 
00050 class TransientIntegrator : public IncrementalIntegrator
00051 {
00052   public:
00053     TransientIntegrator(int classTag);
00054     virtual ~TransientIntegrator();
00055 
00056     virtual int formTangent(int statFlag);
00057     virtual int formEleResidual(FE_Element *theEle);
00058     virtual int formNodUnbalance(DOF_Group *theDof);    
00059 
00060     virtual int initialize(void) {return 0;};
00061 
00062   protected:
00063     
00064   private:
00065 };
00066 
00067 #endif
00068

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