Mathematical Modelling and Dynamic Analysis of an Offshore Drilling Riser
Joint Authors
Gao, Zhiying
Li, Ruifeng
Zhao, Yipeng
Liao, Maolin
Wang, Gaowei
Source
Issue
Vol. 2020, Issue 2020 (31 Dec. 2020), pp.1-13, 13 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2020-08-29
Country of Publication
Egypt
No. of Pages
13
Main Subjects
Abstract EN
In this paper, a dynamic model of an offshore drilling riser is developed based on the Hamilton principle.
The developed dynamic model is transformed into a finite element model by introducing an approximate solution which chooses the Hermite cubic interpolation function of bending beam element as the shape function.
Thereafter, the standard Newmark integration is applied to numerically simulate the dynamic responses of offshore drilling risers with varied system parameters, including the length of riser, top tension ratio, and buoyant factor.
Based on the results of numerical simulation, under the influences of sea wind, sea current, and the periodic excitation of sea wave, the offshore drilling riser experiences a fast lateral deflection phase in the beginning, a reciprocating deflection phase in the following long duration, and then, a periodic oscillation when it reaches the dynamic stable condition, respectively.
The riser system working in deeper water with a higher top tension ratio and a lower buoyant factor shows more controllable vibration and less lateral deflection.
American Psychological Association (APA)
Liao, Maolin& Wang, Gaowei& Gao, Zhiying& Zhao, Yipeng& Li, Ruifeng. 2020. Mathematical Modelling and Dynamic Analysis of an Offshore Drilling Riser. Shock and Vibration،Vol. 2020, no. 2020, pp.1-13.
https://search.emarefa.net/detail/BIM-1212810
Modern Language Association (MLA)
Liao, Maolin…[et al.]. Mathematical Modelling and Dynamic Analysis of an Offshore Drilling Riser. Shock and Vibration No. 2020 (2020), pp.1-13.
https://search.emarefa.net/detail/BIM-1212810
American Medical Association (AMA)
Liao, Maolin& Wang, Gaowei& Gao, Zhiying& Zhao, Yipeng& Li, Ruifeng. Mathematical Modelling and Dynamic Analysis of an Offshore Drilling Riser. Shock and Vibration. 2020. Vol. 2020, no. 2020, pp.1-13.
https://search.emarefa.net/detail/BIM-1212810
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1212810