An integrated modelling strategy between a CFD and an FE software: Methodology and application to compartment fires

Tondini, Nicola; Morbioli, Andrea; Vassart, Olivier; Lechêne, Sullivan; Franssen, Jean-Marc

doi:10.1108/JSFE-09-2016-015

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An integrated modelling strategy between a CFD and an FE software: Methodology and application to compartment fires

Tondini, Nicola; Morbioli, Andrea; Vassart, Olivier et al.

2016 • In Journal of Structural Fire Engineering, 7 (3), p. 217-233

Peer Reviewed verified by ORBi

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https://hdl.handle.net/2268/206664

DOI
10.1108/JSFE-09-2016-015

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Keywords :

steel structures; CFD-FE coupling; weak coupling; open car park; fire behaviour

Abstract :

[en] Purpose: This paper aims to present the assumptions and the issues that arise when developing an integrated modelling methodology between a computational fluid dynamics (CFD) software applied to compartment fires and a finite element (FE) software applied to structural systems. Design/methodology/approach: Particular emphasis is given to the weak coupling approach developed between the CFD code fire dynamics simulator (FDS) and the FE software SAFIR. Then, to show the potential benefits of such a methodology, a multi-storey steel-concrete composite open car park was considered. Findings: Results show that the FDS–SAFIR coupling allows overcoming shortcomings of simplified models by performing the thermal analysis in the structural elements based on a more advanced modelling of the fire development, whereas it appears that the Hasemi model is more conservative in terms of thermal action. Originality/value: A typical design approach using the Hasemi model is compared with a more advanced analysis that relies on the proposed FDS–SAFIR coupling.

Disciplines :

Civil engineering

Author, co-author :

Tondini, Nicola; University of Trento > Department of civil, environmental and mechanical engineering

Morbioli, Andrea; University of Trento > Department of civil, environmental and mechanical engineering

Vassart, Olivier; ArcelorMittal > ArcelorMittal Global R&D

Lechêne, Sullivan; C.S.T.B.

Franssen, Jean-Marc ; Université de Liège > Département ArGEnCo > Ingénierie du feu

Language :

English

Title :

An integrated modelling strategy between a CFD and an FE software: Methodology and application to compartment fires

Publication date :

2016

Journal title :

Journal of Structural Fire Engineering

ISSN :

2040-2317

Publisher :

Multi-Science Publishing, Brentwood, United Kingdom

Volume :

Issue :

Pages :

217-233

Peer reviewed :

Peer Reviewed verified by ORBi

Name of the research project :

FIRESTRUC

Funders :

RFCS - European Commission. Research Fund for Coal and Steel

Available on ORBi :

since 01 February 2017

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