Vibration Analysis of Coupled Fluid-Filled and Immersed Thin Composite Cylinders

Publish Year: 1389
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:

ISME18_258

تاریخ نمایه سازی: 1 تیر 1389

Abstract:

When a shell structure filled and immersed with a fluid, which introduces significant fluid loading effects, it warrants a coupled fluid-structure analysis. In this paper, a finite composite cylinder is modeled for coupled frequency analysis using finite element method. The fluid-structure coupling effect was considered in the analyses. The first eight coupled natural frequencies were obtained. Then, the effects of shell parameters,such as boundary conditions, thickness-to-radius, length-to-radius, modal number in the axial direction, m, and modal number in the circumferential direction, n on the coupled frequencies of the composite cylinder are investigated. The obtained results for a fluid-filled and a submerged isotropic thin-walled cylinder are compared with the available results from wave propagation method to verify the developed procedure.

Authors

H. Hosseini-Toudeshky

Amirkabir/Aerospace Department

M. Karimi

Amirkabir/Aerospace Department;

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