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A new look at the response surface method for reliability analysis using chaos theory

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Abstract

To overcome excessive computation errors and convergence failures encountered in an iterative calculation of the reliability index using the response surface method (RSM) for some nonlinear limit state functions, this study investigates an essential factor based on chaotic dynamics theory. The bifurcation diagrams of the reliability index are presented for some typical nonlinear limit state functions, and the computation results from the mapping functions due to the RSM iterations show the complicated dynamic phenomena such as the periodic oscillation, as well as bifurcation and chaos. From the numerical examples, it is concluded that the parameter of selection range f plays an important role in the convergence of the RSM iteration, and an improved RSM iterative algorithm is proposed with regard to the incorporation of the iterative sequential function of selection range f. The proposed method is shown to be efficient and to yield accurate results.

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Authors and Affiliations

  1. College of Civil Engineering, Southeast University, Nanjing, 210096, China

    Youliang Ding, Aiqun Li & Yang Deng

Authors
  1. Youliang Ding
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  2. Aiqun Li
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  3. Yang Deng
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Corresponding author

Correspondence to Youliang Ding.

Additional information

Supported by: National Hi-Tech Research and Development Program of China (863 Program) Under Grant No. 2006AA04Z416 and Nation Natural Science Foundation of China Under Grant No. 50725828

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Ding, Y., Li, A. & Deng, Y. A new look at the response surface method for reliability analysis using chaos theory. Earthq. Eng. Eng. Vib. 7, 329–335 (2008). https://doi.org/10.1007/s11803-008-0852-5

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  • DOI: https://doi.org/10.1007/s11803-008-0852-5

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