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Nonlinear structural response in jet fire in association with the interaction between fire loads and time-variant geometry and material properties

Sang, JK; Lee, J; Kim, SH; Seo, JK; Kim, BJ; Ha, YC; Paik, JK; ... Sohn, JM; + view all (2017) Nonlinear structural response in jet fire in association with the interaction between fire loads and time-variant geometry and material properties. Ocean Engineering , 144 pp. 118-134. 10.1016/j.oceaneng.2017.08.028. Green open access

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Abstract

For safety design of structures against fire loads, time-variant geometry and material properties depending on the temperature should be considered with fluid-structure interaction (FSI) analysis. One-way FSI analysis is generally applied due to a time consuming task. But, it has big difference of structural response between conducting oneway and two-way FSI analysis. And two-way analysis is also affected by time increment of analysis for updating the geometry, and fire loads. The aim of this study is to investigate the effect of time increments on two-way FSI analysis of structures subjected to jet fire, and to suggest a proper time increment for two-way FSI analysis. In the present study, geometries and material properties are updated at every time increments, and kinds of two-way FSI analysis are performed with different time increments by using computational fluid dynamics (CFD) and nonlinear finite element analysis (NLFEA) and an interface program between CFD and NLFEA.

Type: Article
Title: Nonlinear structural response in jet fire in association with the interaction between fire loads and time-variant geometry and material properties
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.oceaneng.2017.08.028
Publisher version: http://dx.doi.org/10.1016/j.oceaneng.2017.08.028
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Fire loads; Time-variant geometry and material properties; Structural response; Two-way FSI analysis; Time increments
UCL classification: UCL
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/1574526
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