Fatigue Damage Mechanism Experiments of the K-Joint of Offshore Platform Model

Gui Jie Liu; Min Chen; Xin Wang; Ying Long Li; Jian Jun Zhang

doi:10.4028/www.scientific.net/AMM.248.114

Paper Titles

Optimization Design of Double-Helical Gear with High Contact Ratio
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Technology of Active Anti-Galloping on Over-Head Transmission Lines
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Influence of the Stiffeners on the Vibration Characteristics of a Stiffened Plate and Shell Coupled Structure
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Calculation on Acoustic Scattering of Viscoelastic Layer Coupling with Elastic Shell
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Fatigue Damage Mechanism Experiments of the K-Joint of Offshore Platform Model
p.114

Applied Research on the Closed-Loop Control of Oil Production System with Progressing Cavity Pump
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 248Fatigue Damage Mechanism Experiments of the...

Fatigue Damage Mechanism Experiments of the K-Joint of Offshore Platform Model

Abstract:

Ocean environment loads such as wave, current and wind load shows random distribution. The coupling of different kinds of load can easily lead to the fatigue damage of offshore platform structure. The damage presented the multiaxial characteristics would be formed in different directions and planes. K-joint is the key but weak part of the platform structure. This paper associated macro ocean environment factors with material interior micro structure change to reveal the microscopic mechanism of fatigue damage evolution and fatigue damage evolution regularity. By building finite element model of the offshore platform K-joint and physical model, an experiment is done under the function of wave and current load and makes a good result. In this way, the relationship between them and fatigue life was established, and the result agreed with the theoretical predictions.

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Periodical:

Applied Mechanics and Materials (Volume 248)

Pages:

114-118

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.248.114

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Online since:

December 2012

Authors:

Gui Jie Liu, Min Chen, Xin Wang, Ying Long Li, Jian Jun Zhang

Keywords:

Bending Strain, Evolution Law, Fatigue Damage Mechanism, Heat Dissipation Temperature, K-Joint

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