Robust Design of Structures with Uncertain Parameters and Frequency Constraints Using Non-Probabilistic Methods

Ji Yun Chen; Yan Luo; Dong Huan Liu

doi:10.4028/www.scientific.net/AMR.936.1479

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 936Robust Design of Structures with Uncertain...

Robust Design of Structures with Uncertain Parameters and Frequency Constraints Using Non-Probabilistic Methods

Abstract:

The structural physical properties are often uncertain due to manufacture errors, measurement errors and other factors. Consequently, the vibration frequencies and corresponding eigenvectors are also uncertain. Robust design selects suitable design variables so that structural performance is insensitive to the various causes of variation without eliminating possible variations of variables. In practice robust design methods can be classified into probabilistic methods and non-probabilistic methods respectively. A new non-probabilistic robust design method based on the set theoretical convex method is presented in the present paper. The method not only inherits the advantages of existing non-stochastic methods, but also conquers the disadvantages of these methods.

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Periodical:

Advanced Materials Research (Volume 936)

Pages:

1479-1484

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.936.1479

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Online since:

June 2014

Authors:

Ji Yun Chen, Yan Luo, Dong Huan Liu*

Keywords:

Frequency Constraint, Optimization Design, Robust Design, Taylor's Series, Uncertain Parameters

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