[2014] Safety of FLNG Hull Structures in Collisions with Icebergs in an Arctic Environment > Selected Papers

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Selected Papers

[2014] Safety of FLNG Hull Structures in Collisions with Icebergs in a…

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Proceedings of The Society of Naval Architects and Marine Engineers (SNAME 2014), 22-25 October 2014, Houston, USA.

Safety of FLNG Hull Structures in Collisions with Icebergs in an Arctic Environment

Dae Kyeom Park, Bong Ju Kim, Jung Kwan Seo, Yeon Chul Ha, Toshiyuki Matsumoto, Su Hwan Byeon and Jeom Kee Paik

 

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 Polarclass high-tensile steel at the low temperatures associated with an Arctic environment and liquefied natural gasinduced
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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