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Open AccessArticle

Analysis of Fluid–Structure Coupling Vibration Mechanism for Subsea Tree Pipeline Combined with Fluent and Ansys Workbench

College of Ocean Science and Engineering, Shanghai Maritime University, Shanghai 201306, China
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Authors to whom correspondence should be addressed.
Academic Editor: Mostafa Safdari Shadloo
Water 2021, 13(7), 955; https://doi.org/10.3390/w13070955
Received: 28 February 2021 / Revised: 26 March 2021 / Accepted: 29 March 2021 / Published: 31 March 2021
(This article belongs to the Special Issue Pipeline Fluid Mechanics 2020)
In the process of oil exploitation, subseatrees sometimes vibrate. In this paper, fluid–structure coupling software was used to study the causes of subsea tree vibration. First, the complex subsea tree model was simplified, and ageometric grid model was established for software calculation. Then, under the given two working conditions, the software Fluent was used to analyze the pressure and velocity distribution of the subsea tree pipeline’s flow field. It was found that the pressure of the flow field changed greatly at the variable diameter and right-angles. Using Ansys Workbench software, flow-structure coupling calculations and modal analysis of the subsea tree were carried out. The results showed that the vibration of the long straight pipeline section was severe. Finally, the paper puts forward the measures to reduce the vibration of subsea tree pipelines and provides construction advice for the safe production of subsea trees. View Full-Text
Keywords: subsea tree; fluid–structure coupling; modal analysis; Fluent; Ansys Workbench subsea tree; fluid–structure coupling; modal analysis; Fluent; Ansys Workbench
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MDPI and ACS Style

Wu, G.; Zhao, X.; Shi, D.; Wu, X. Analysis of Fluid–Structure Coupling Vibration Mechanism for Subsea Tree Pipeline Combined with Fluent and Ansys Workbench. Water 2021, 13, 955. https://doi.org/10.3390/w13070955

AMA Style

Wu G, Zhao X, Shi D, Wu X. Analysis of Fluid–Structure Coupling Vibration Mechanism for Subsea Tree Pipeline Combined with Fluent and Ansys Workbench. Water. 2021; 13(7):955. https://doi.org/10.3390/w13070955

Chicago/Turabian Style

Wu, Gongxing; Zhao, Xiaolong; Shi, Danda; Wu, Xiaodong. 2021. "Analysis of Fluid–Structure Coupling Vibration Mechanism for Subsea Tree Pipeline Combined with Fluent and Ansys Workbench" Water 13, no. 7: 955. https://doi.org/10.3390/w13070955

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