SearchWithStepSizeAndStepDirection.hGo to the documentation of this file.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: 1.4 $ 00026 // $Date: 2003/10/27 23:45:42 $ 00027 // $Source: /usr/local/cvs/OpenSees/SRC/reliability/analysis/designPoint/SearchWithStepSizeAndStepDirection.h,v $ 00028 00029 00030 // 00031 // Written by Terje Haukaas (haukaas@ce.berkeley.edu) 00032 // 00033 00034 #ifndef SearchWithStepSizeAndStepDirection_h 00035 #define SearchWithStepSizeAndStepDirection_h 00036 00037 #include <FindDesignPointAlgorithm.h> 00038 #include <StepSizeRule.h> 00039 #include <SearchDirection.h> 00040 #include <ProbabilityTransformation.h> 00041 #include <GFunEvaluator.h> 00042 #include <GradGEvaluator.h> 00043 #include <HessianApproximation.h> 00044 #include <ReliabilityConvergenceCheck.h> 00045 #include <Matrix.h> 00046 #include <Vector.h> 00047 #include <ReliabilityDomain.h> 00048 00049 #include <fstream> 00050 using std::ofstream; 00051 00052 class SearchWithStepSizeAndStepDirection : public FindDesignPointAlgorithm 00053 { 00054 00055 public: 00056 00057 // Constructor and destructor 00058 SearchWithStepSizeAndStepDirection( 00059 int passedMaxNumberOfIterations, 00060 GFunEvaluator *passedGFunEvaluator, 00061 GradGEvaluator *passedGradGEvaluator, 00062 StepSizeRule *passedStepSizeRule, 00063 SearchDirection *passedSearchDirection, 00064 ProbabilityTransformation *passedProbabilityTransformation, 00065 HessianApproximation *theHessianApproximation, 00066 ReliabilityConvergenceCheck *theReliabilityConvergenceCheck, 00067 int printFlag, 00068 char *fileNamePrint, 00069 Vector *startPoint); 00070 ~SearchWithStepSizeAndStepDirection(); 00071 00072 int findDesignPoint(ReliabilityDomain *theReliabilityDomain); 00073 00074 Vector get_x(); 00075 Vector get_u(); 00076 Vector get_alpha(); 00077 Vector get_gamma(); 00078 int getNumberOfSteps(); 00079 Vector getSecondLast_u(); 00080 Vector getSecondLast_alpha(); 00081 Vector getLastSearchDirection(); 00082 double getFirstGFunValue(); 00083 double getLastGFunValue(); 00084 Vector getGradientInStandardNormalSpace(); 00085 int getNumberOfEvaluations(); 00086 00087 protected: 00088 00089 private: 00090 00091 // The reliability domain and tools for the analysis 00092 ReliabilityDomain *theReliabilityDomain; 00093 GFunEvaluator *theGFunEvaluator; 00094 GradGEvaluator *theGradGEvaluator; 00095 StepSizeRule *theStepSizeRule; 00096 SearchDirection *theSearchDirection; 00097 ProbabilityTransformation *theProbabilityTransformation; 00098 HessianApproximation *theHessianApproximation; 00099 ReliabilityConvergenceCheck *theReliabilityConvergenceCheck; 00100 00101 // Private member functions to do the job 00102 int doTheActualSearch(bool doRvProjection); 00103 int doRvProjection(Vector uOld, Vector uNew); 00104 00105 // Data members set when the object is created 00106 int maxNumberOfIterations; 00107 00108 // Data members where the results are to be stored 00109 Vector x; 00110 Vector u; 00111 Vector alpha; 00112 Vector gradientInStandardNormalSpace; 00113 Vector gamma; 00114 Vector uSecondLast; 00115 Vector alphaSecondLast; 00116 int i; 00117 Vector searchDirection; 00118 double Gfirst; 00119 double Glast; 00120 00121 // Data members set through the call when a job is to be done 00122 Vector *startPoint; 00123 Vector *designPoint_uStar; 00124 00125 int printFlag; 00126 char *fileNamePrint; 00127 int numberOfEvaluations; 00128 }; 00129 00130 #endif
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