Fatigure and Reliability Analysis on Tether of Submerged Floating Tunnel under Vortex-Induced Vibration

Xiao Jun Zhou; Gang Luo

doi:10.4028/www.scientific.net/AMM.170-173.1669

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 170-173Fatigure and Reliability Analysis on Tether of...

Fatigure and Reliability Analysis on Tether of Submerged Floating Tunnel under Vortex-Induced Vibration

Abstract:

The tether used to balance a submersed floating tunnel under water current is definitely subject to greater pre-tension, and is simplified as a Bernoulli-Euler beam. The fatigure characteristics of vortex-induced multi-modal resonance of tether under traverse shear flow are analyzed. In terms of the principle of energy equilibrium, both the mean square root displacement and mean square root stress of the dynamic response of tether is derived.The reliability index of tether is obtained in combination with S-N curve and fatigure probability model.

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Periodical:

Applied Mechanics and Materials (Volumes 170-173)

Pages:

1669-1672

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.170-173.1669

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Online since:

May 2012

Authors:

Xiao Jun Zhou, Gang Luo

Keywords:

Fatigue Damage, Reliability, Submerged Floating Tunnel, Tether, Vortex-Induced Vibration (VIV)

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