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- Title
RESPONSE CHARACTERISTIC ANALYSIS OF NONLINEAR VORTEX-INDUCED VIBRATION OF TENSION LEG PLATFORM IN DEEP SEA.
- Authors
YOUGANG SUN; HAIYAN QIANG; DAOFANG CHANG; RAN WANG
- Abstract
Tension leg platform (TLP) is an important tool to exploit the oil and gas in the deep sea. Unfortunately, the increase of the length of the tension leg in the deep sea is more likely to occur vortex resonance, which is a serious threat to the safe operation of the offshore platform. In this paper, an improved dynamic model is presented for the nonlinear dynamics of the tension leg of the deep sea platform. The Galerkin method and finite difference method are utilized to calculate for the proposed model to study the responses of vortex-induced vibration of the TLP under the combined action of wave, current, pre-tension, platform motion and other complex loads. The simulation results illustrate the dynamic mechanism of TLP working in complex sea environment. The research results can provide theoretical basis and technical support for the design and evaluation of deep sea platform.
- Subjects
TENSION leg platforms; NONLINEAR analysis; VIBRATION tests; DYNAMIC models; VORTEX motion
- Publication
Journal of the Balkan Tribological Association, 2016, Vol 22, Issue 3-I, p2519
- ISSN
1310-4772
- Publication type
Article