On purpose of evaluating the crashworthiness of FLNG side structures in case of the collision accident during the side-by-side offloading operation, a unique research is conducted in this paper with numerical simulation method. According to the model test completed in Deepwater Offshore Basin in Shanghai Jiao Tong University, there does exist a high probability of collision between FLNG and LNGC in the side-by-side offloading operation. To perform numerical simulations, finite element models were built. For the FLNG model, the side structures contain the detailed LNG cargo containment system. According to the parameters obtained from the model test, two typical collision scenarios are defined. Then the collision scenarios are simulated by the LS_DYNA code. A special limit collision state is proposed based on the structural response of LNG CCS. With respect to the numerical results, great attention is paid to the structural response of CCS to evaluate the safety of FLNG side structures. Furthermore, some insights useful for the basic design of FLNG are put forward.
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ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering
May 31–June 5, 2015
St. John’s, Newfoundland, Canada
Conference Sponsors:
- Ocean, Offshore and Arctic Engineering Division
ISBN:
978-0-7918-5649-9
PROCEEDINGS PAPER
Research on the Crashworthiness of FLNG Side Structures in the Side-by-Side Offloading Operation With LNGC
Dongwei Zhang,
Dongwei Zhang
Shanghai Jiao Tong University, Shanghai, China
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Zhiqiang Hu,
Zhiqiang Hu
Shanghai Jiao Tong University, Shanghai, China
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Gang Chen
Gang Chen
Shanghai Jiao Tong University, Shanghai, China
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Dongwei Zhang
Shanghai Jiao Tong University, Shanghai, China
Zhiqiang Hu
Shanghai Jiao Tong University, Shanghai, China
Gang Chen
Shanghai Jiao Tong University, Shanghai, China
Paper No:
OMAE2015-41363, V003T02A008; 8 pages
Published Online:
October 21, 2015
Citation
Zhang, D, Hu, Z, & Chen, G. "Research on the Crashworthiness of FLNG Side Structures in the Side-by-Side Offloading Operation With LNGC." Proceedings of the ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering. Volume 3: Structures, Safety and Reliability. St. John’s, Newfoundland, Canada. May 31–June 5, 2015. V003T02A008. ASME. https://doi.org/10.1115/OMAE2015-41363
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