In this study, the safety of floating liquefied natural gas (FLNG) hull structures in collisions with icebergs in an Arctic environment is examined through experimentation and LS-DYNA numerical computations in association with normal and accidental conditions in operation of LNG cargo containment system. The material properties of Polar-class high-tensile steel at the low temperatures associated with an Arctic environment and liquefied natural gas-induced cryogenic conditions are characterized by tensile coupon tests under quasi-static and dynamic conditions. The structural crashworthiness of plate panels subject to impact loads is studied through an experiment and numerical computations at low temperatures. The technologies and insights provided by this study at the material and structural member levels are then applied to FLNG hull structure collisions with icebergs in an Arctic environment.
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Safety of FLNG Hull Structures in Collisions with Icebergs in an Arctic Environment
Toshiyuki Matsumoto;
Toshiyuki Matsumoto
Nippon Kaiji Kyokai
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Su Hwan Byeon;
Su Hwan Byeon
STX Offshore and Shipbuilding Co. Ltd.
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Jeom Kee Paik
Jeom Kee Paik
Pusan National University
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Paper presented at the SNAME Maritime Convention, Houston, Texas, USA, October 2014.
Paper Number:
SNAME-SMC-2014-S4
Published:
October 22 2014
Citation
Park, Dae Kyeom, Kim, Bong Ju, Seo, Jung Kwan, Ha, Yeon Chul, Matsumoto, Toshiyuki, Byeon, Su Hwan, and Jeom Kee Paik. "Safety of FLNG Hull Structures in Collisions with Icebergs in an Arctic Environment." Paper presented at the SNAME Maritime Convention, Houston, Texas, USA, October 2014. doi: https://doi.org/10.5957/SMC-2014-S4
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