Dynamic-Instability Mechanism of Double-Layer Spherical Shell under Harmonic Loading

Guo Fan Li; Lin Ge Wang; Xiao Hao

doi:10.4028/www.scientific.net/AMR.197-198.736

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 197-198Dynamic-Instability Mechanism of Double-Layer...

Dynamic-Instability Mechanism of Double-Layer Spherical Shell under Harmonic Loading

Abstract:

Based on dynamic instability theory, by incremental dynamic analysis method, large-scale parameters-analysis is carried on double-layer Kiewitt shell under harmonic loading，with weight effects and double non-linear effect calculated and Failure-amplitude is determined. Further exploring on the relationship between excitation frequency changes and failure-amplitude and between initial imperfection effect and load reduction are also conducted.

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Periodical:

Advanced Materials Research (Volumes 197-198)

Pages:

736-740

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.197-198.736

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Online since:

February 2011

Authors:

Guo Fan Li, Lin Ge Wang, Xiao Hao

Keywords:

Double-Layer Spherical Shell, Dynamic-Instability, Initial Imperfect, Spectrum Character

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