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A new method for structural assessment of topside structure subjected to hydrocarbon explosions

Kim, S J; Kim, B J; Seo, J K; Paik, J; (2017) A new method for structural assessment of topside structure subjected to hydrocarbon explosions. Procedia Engineering , 173 pp. 479-486. 10.1016/j.proeng.2016.12.067. Green open access

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Abstract

The primary aim of this study is to propose a new method for structural assessment of topside structures on offshore installations subjected to hydrocarbon explosions. In the present study, lots of dispersion and explosion scenarios are selected by probabilistic approach, and analyzed for definition of actual explosion loads. Then, sets of actual explosion loads from CFD simulation are transferred by interface program between CFD and FEA, and nonlinear structural consequence analyses is performed. The structural consequences under actual explosion loads investigated by FEA are used for a consequence exceedance curve which is a new method for structural assessment proposed in this study. The consequence exceedance curve can reduce uncertainties from simplification of load, structure and procedure. In addition, it can be directly found the structural behavior of topside structure under explosions at risk acceptance level by consequence exceedance curve.

Type: Article
Title: A new method for structural assessment of topside structure subjected to hydrocarbon explosions
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.proeng.2016.12.067
Publisher version: https://doi.org/10.1016/j.proeng.2016.12.067
Language: English
Additional information: © 2017 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
Keywords: New method, structural assessment, topside structure, hydrocarbon explosions
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Mechanical Engineering
URI: https://discovery.ucl.ac.uk/id/eprint/10038316
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