声明
CONTENTS
ABSTRACT
摘要
LIST OF FIGURES
LIST OF TABLES
LIST OF SYMBOLS
Chapter 1 INTRODUCTION
1.1 Research significance
1.2 Simulation problem
1.3 Structural reliability analysis problem
1.3.1 First-order reliability method
1.3.2 Second-order reliability method
1.4 Optimization models
1.4.1 Reliability index approach
1.4.2 Performance measure approach
1.5 Metamodeling techniques
1.6 Outline of the thesis
Chapter 2 A STRUCTURAL RELIABILITY ANALYSIS METHOD BASED ON RADIAL BASIS FUNCTION
2.1 Introduction
2.2 Reliability analysis method
2.2.1 Description of first-order reliability method
2.2.2 Description of second-order reliability method
2.2.3 Monte Carlo simulation method
2.3 RBF-based structural reliability analysis
2.3.1 Construction of RBF approximated model
2.3.2 Solution of the approximate reliability index
2.3.3 Computational procedures of the proposed method
2.4 Numerical examples
2.4.1 Numerical example 1
2.4.2 Numerical example 2
2.5 Engineering applications
2.5.1 Truss type girder
2.5.2 A four-bar truss
2.6 Result and discussion
2.7 Conclusions
Chapter 3 A PMA-BASED RELIABILITY ANALYSIS TECHNIQUE USING RADIAL BASIS FUNCTION
3.1 Introduction
3.2 Brief description of performance measure approach
3.3 RBF-based performance measure approach
3.3.1 Construction of RBF method
3.3.2 Solution of RBF using PMA
3.3.3 Updating strategy and computational procedures
3.2 Numerical examples
3.2.1 Numerical example 1
3.2.2 Numerical example 2
3.3 Engineering application
3.5.1 10-bar truss structure
3.5.2 Automobile frame
3.6 Result and discussion
3.7 Conclusions
Chapter 4 EFFECT OF PARAMETERS AND BASIS FUNCTIONS ON STRUCTURAL RELIABILITY ESTIMATES
4.1 Introduction
4.2 Choice of RBF and computational procedures
4.2.1 Choice of radial basis functions
4.2.2 The HL-RF algorithm
4.2.3 Computational procedures
4.3 Numerical examples
4.3.1 Numerical example 1
4.3.2 Numerical example 2
4.4 Engineering application
4.4.1 A frame structure
4.4.2 A three bay five storey rigid frame structure
4.5 Result and discussion
4.6 Conclusions
Chapter 5 AN IMPROVED RESPONSE SURFACE METHOD FOR SENSITIVITY ESTIMATION
5.1 Introduction
5.2 Selection of the sampling points
5.3 Reliability analysis using RSM
5.3.1 Compute the sensitivity vector α
5.3.2 RSM-based reliability analysis
5.4 Solution of RSM
5.4.1 Find a new centre point XM
5.4.2 Numerical procedure of the proposed method
5.5 Numerical examples
5.5.1 Numerical example 1
5.5.2 Numerical example 2
5.6 Engineering application
5.6.1 Linear portal frame
5.6.2 Roof truss
5.7 Result and discussion
5.8 Conclusions
Chapter 6 CONCLUSIONS,REMARKS AND FUTURE WORKS
6.1 Conclusions
6.2 Remarks
6.3 Future works
REFERENCES
RESEARCH PUBLICATIONS
ACKNOWLEDGEMENTS