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 08:23:17 $
00023 // $Source: /usr/local/cvs/OpenSees/SRC/analysis/integrator/StaticIntegrator.h,v $
00024
00025
00026 #ifndef StaticIntegrator_h
00027 #define StaticIntegrator_h
00028
00029 // File: ~/analysis/integrator/StaticIntegrator.h
00030 //
00031 // Written: fmk
00032 // Created: 11/96
00033 // Revision: A
00034 //
00035 // Description: This file contains the class definition for StaticIntegrator.
00036 // StaticIntegrator is an algorithmic class for setting up the finite element
00037 // equations for a static analysis and for Incrementing the nodal displacements
00038 // with the values in the soln vector to the LinearSOE object.
00039 //
00040 // What: "@(#) StaticIntegrator.h, revA"
00041
00042 #include <IncrementalIntegrator.h>
00043
00044 #include <LinearSOE.h>
00045 #include <AnalysisModel.h>
00046 #include <FE_Element.h>
00047 #include <Vector.h>
00048
00109 class StaticIntegrator : public IncrementalIntegrator
00110 {
00111 public:
00116 StaticIntegrator(int classTag);
00117
00118
00122 virtual ~StaticIntegrator();
00123
00124
00125 // methods which define what the FE_Element and DOF_Groups add
00127 virtual int formEleTangent(FE_Element *theEle);
00136 virtual int formEleResidual(FE_Element *theEle);
00137
00142 virtual int formNodTangent(DOF_Group *theDof);
00143
00152 virtual int formNodUnbalance(DOF_Group *theDof);
00153
00154
00156 virtual int newStep(void) =0;
00157
00158
00159 protected:
00160
00161 private:
00162 };
00163
00164 #endif
00165
Copyright