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: 1.2 $
00022 // $Date: 2001/03/29 05:23:32 $
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
00044 #include <LinearSOE.h>
00045 #include <AnalysisModel.h>
00046 #include <FE_Element.h>
00047 #include <DOF_Group.h>
00048 #include <Vector.h>
00049
00152 class TransientIntegrator : public IncrementalIntegrator
00153 {
00154 public:
00159 TransientIntegrator(int classTag);
00160
00164 virtual ~TransientIntegrator();
00165
00166
00178 virtual int formTangent(int statFlag);
00179
00188 virtual int formEleResidual(FE_Element *theEle);
00189
00198 virtual int formNodUnbalance(DOF_Group *theDof);
00199
00200
00202 virtual int initialize(void) {return 0;};
00203
00205 virtual int newStep(double deltaT) =0;
00206
00207 protected:
00208
00209 private:
00210 };
00211
00212 #endif
00213
Copyright