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Time-domain analysis of FPSO-tanker responses in tandem offloading operation

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Abstract

Problems experienced during Floating Production, Storage and Offloading (FPSO) tandem offloading operations were investigated. The aim of this research was to improve the reliability of such systems, and it needed a means to assess them. Time-domain simulation and analysis of offloading systems was performed using the multi-body mooring software ARIANE 7.0. Hydrodynamic interaction between the vessels was considered. The responses of the offloading system in different loading cases, different parameters of offloading hawsers and the effects of challenging environmental conditions were calculated. There was a focus on the problems of relative motion between the two bodies and its effects on the intensity of hawser forces. Minimum relative distance, maximum relative headings and maximum tension in the hawsers of offloading systems were obtained by time-domain analysis. The time-domain analysis was effective and comparative study can be used to optimize parameters of the system and extend operating limits.

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Authors and Affiliations

  1. College of Shipbuilding and Ocean Engineering, Harbin Engineering University, Harbin, 150001, China

    Qiang Wang, Li-ping Sun & Shan Ma

Authors
  1. Qiang Wang
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  2. Li-ping Sun
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  3. Shan Ma
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Corresponding author

Correspondence to Qiang Wang.

Additional information

Foundation item: Supported by China National 111 Project foundation from the State Administration of Foreign Experts Affairs of China and the Ministry of Education of China.under Grant No. B07019.

Qiang Wang was born in 1986. He is a graduate student of Harbin Engineering University. His current research interests include offloading operation, mooring system, etc.

Li-ping Sun was born in 1962. She is a professor at Harbin Engineering University. Her current research interests include deepwater technology, etc.

Shan Ma was born in 1976. He is an associate professor at Harbin Engineering University. His current research interests include global performance analysis of floating structure, etc.

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Wang, Q., Sun, Lp. & Ma, S. Time-domain analysis of FPSO-tanker responses in tandem offloading operation. J. Marine. Sci. Appl. 9, 200–207 (2010). https://doi.org/10.1007/s11804-010-9070-4

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  • DOI: https://doi.org/10.1007/s11804-010-9070-4

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