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Strength Analysis of Mark III Cargo Containment System using Anisotropic Failure Criteria
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 Title & Authors
Strength Analysis of Mark III Cargo Containment System using Anisotropic Failure Criteria
Jeong, Han Koo; Yang, Young Soon;
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 Abstract
Membrane type Mark III cargo containment system (CCS) is considered in this study to investigate its strength capability under applied loads due to liquefied natural gas (LNG) cargo. A rectangular plated structure supported by inner hull structure is exemplified from Mark III CCS according to classification society's guidance and it is assumed as multi-layered structure by stacking plywood, triplex, reinforced polyurethane (PU) foam and series of mastic upon inner hull structure. Commercially available general purpose finite element analysis package is used to have reliable FE models of Mark III CCS plate. The FE models and anisotropic failure criteria such as maximum stress, Hoffman, Hill, Tsai-Wu and Hashin taking into account the direction dependent material properties of Mark III CCS plate components and their material properties considering a wide variation of temperature due to the nature of LNG together form the strength analysis procedure of Mark III CCS plate. Strength capability of Mark III CCS plate is understood by its initial failure and post-initial failure states. Results are represented in terms of failure loads and locations when initial failure and post-initial failures are occurred respectively. From the results the basic design information of Mark III CCS plate is given.
 Keywords
Mark III CCS plate;FE models;Anisotropic failure criteria;Initial failure;Post-initial failure;Failure loads;Failure locations;
 Language
English
 Cited by
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