Nonlinear impact response analysis of LNG FPSO cargo tank structures under sloshing loads

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Nonlinear impact response analysis of LNG FPSO cargo tank structures under sloshing loads

Lee, Sang Eui / Kim, Bong Ju / Seo, Jung Kwan / Ha, Yeon Chul / Matsumoto, Toshiyuki / Byeon, Su Hwan / Paik, Jeom Kee

This is a sequel to a previous paper by the same authors, which proposed a probabilistic approach to determine the nominal values of tank sloshing loads in the structural hull design of liquefied natural gas, floating production, storage and offloading units (LNG FPSO or FLNG). This study presents a procedure for the numerical computation of nonlinear impact responses in FLNG cargo tank structures under sloshing loads. The computations are performed using ANSYS/LS-DYNA nonlinear finite element software. Applied examples using a hypothetical FLNG are presented. The insights and conclusions obtained from the study are documented.

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Document information

Title :

Nonlinear impact response analysis of LNG FPSO cargo tank structures under sloshing loads

Contributors:

Lee, Sang Eui (author) / Kim, Bong Ju (author) / Seo, Jung Kwan (author) / Ha, Yeon Chul (author) / Matsumoto, Toshiyuki (author) / Byeon, Su Hwan (author) / Paik, Jeom Kee (author)

Published in:

Ships and Offshore Structures ; 10 , 5 ; 510-532

Publication date :

2015-09-03

Size :

23 pages

ISSN :

1744-5302 , 1754-212X

DOI :

https://doi.org/10.1080/17445302.2015.1022437

Type of media :

Article (Journal)