OpenSees » SRC » reliability » FEsensitivity

NewmarkSensitivityIntegrator.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 00:46:01 $
00027 // $Source: /usr/local/cvs/OpenSees/SRC/reliability/FEsensitivity/NewmarkSensitivityIntegrator.h,v $
00028 
00029 
00030 //
00031 // Written by Terje Haukaas (haukaas@ce.berkeley.edu)
00032 //
00033 
00034 #ifndef NewmarkSensitivityIntegrator_h
00035 #define NewmarkSensitivityIntegrator_h
00036 
00037 #include <Newmark.h>
00038 #include <SensitivityIntegrator.h>
00039 class FE_Element;
00040 class DOF_Group;
00041 class Vector;
00042 class Information;
00043 
00044 
00045 class NewmarkSensitivityIntegrator : public SensitivityIntegrator , public Newmark
00046 {
00047   public:
00048     NewmarkSensitivityIntegrator();
00049     NewmarkSensitivityIntegrator(int assemblyFlag, double gamma, double beta, bool disp = true);
00050     NewmarkSensitivityIntegrator(int assemblyFlag, double gamma, double beta, double alphaM, double betaKcurrent,
00051             double betaKinit, double betaKlastCommit, bool disp = true);
00052     ~NewmarkSensitivityIntegrator();
00053     
00054     int setParameter      (char **argv, int argc, Information &info);
00055     int updateParameter   (int parameterID, Information &info);
00056         int activateParameter (int parameterID);
00057 
00058         int formEleResidual(FE_Element *theEle);
00059         int formNodUnbalance(DOF_Group *theDof);
00060 
00061         int formSensitivityRHS(int gradNum);
00062         int formIndependentSensitivityRHS();
00063         int saveSensitivity   (const Vector &v, int gradNum, int numGrads);
00064         int commitSensitivity (int gradNum, int numGrads);  
00065 
00066   protected:
00067     
00068   private:
00069 
00070         int parameterID;
00071         int sensitivityFlag;
00072         int gradNumber;
00073         Vector *massMatrixMultiplicator;
00074         Vector *dampingMatrixMultiplicator;
00075         int assemblyFlag;
00076         Vector independentRHS;
00077 
00078 };
00079 
00080 #endif
00081

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