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  4. Vol 8, Issue 4, 2023

Coupled Dynamic Model of Riser-Tensioner System of Cylindrical Type FDPSO

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DOI: 10.23977/jemm.2023.080409 | Downloads: 14 | Views: 321

Author(s)

Hongtao Yuan 1, Yan Yin 1

Affiliation(s)

1 Shanghai Waigaoqiao Shippingbuilding Co., Ltd., Shanghai, 200137, China

Corresponding Author

Hongtao Yuan

ABSTRACT

In order to improve the safety of production riser of cylindrical type FDPSO, a riser-tensioner (RT) system is invented. A coupled dynamic model that considering the interaction between riser and tensioner for RT system is developed with micro-element method. The corresponding boundary conditions and difference scheme of the model are derived. ABAQUS software is used to verify the model. With the model, the dynamic behavior of riser system on a float platform in South China Sea is investigated, based on which the value range of riser length, tensioner stiffness coefficient and tensioner damping coefficient are proposed. The results of study can provide effective theoretical support for optimal design of riser and developing new type of tensioner.

KEYWORDS

Riser; tensioner; axial vibration; stiffness coefficient; damping coefficient

CITE THIS PAPER

Hongtao Yuan, Yan Yin, Coupled Dynamic Model of Riser-Tensioner System of Cylindrical Type FDPSO. Journal of Engineering Mechanics and Machinery (2023) Vol. 8: 59-66. DOI: http://dx.doi.org/10.23977/jemm.2023.080409.

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