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|Title:||Numerical assessment of explosion resistant profiled barriers|
Finite element analysis
Profiled blast barrier
|Citation:||Boh, J.W., Louca, L.A., Choo, Y.S. (2004-03). Numerical assessment of explosion resistant profiled barriers. Marine Structures 17 (2) : 139-160. ScholarBank@NUS Repository. https://doi.org/10.1016/j.marstruc.2004.04.002|
|Abstract:||Profiled blast barriers are an integral part of offshore topsides where they are required to protect personnel and safety critical equipment against the effects of a possible hydrocarbon explosion. Limited studies on their response have been presented, particularly at high overpressures. This paper presents a numerical study using finite element analysis to investigate the response of stainless steel profiled barriers subjected to hydrocarbon explosions. By examining three profiles of varying depth (deep, intermediate and shallow) commonly used in offshore topside structures, the criteria governing their behaviour are highlighted. The static capacity and the dynamic response of the barriers are established up to the maximum capacity level and into the post peak or buckling response regime. The parameters that were found to have profound effects on the analyses include imperfections, boundary conditions and modelling assumptions. Through this study, recommendations and guidelines of using finite element analysis for the design or analysis of such explosion resistant barriers are given. © 2004 Elsevier Ltd. All rights reserved.|
|Source Title:||Marine Structures|
|Appears in Collections:||Staff Publications|
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