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2018-132684 – Modelling and simulation of buildings under seismic events

Emploi culturel : description de l’entreprise et de ses activités

Domaine fonctionnel : Enseignement supérieur - Recherche
Nature du poste recherché : Ouvert aux contractuels
Description du poste :
In this context, the objective of this post-doctoral research is to focus on steps (a) and (b). Precisely, we intend to characterize the physical state of a building by measuring the vibratory response to background noise. The types of structures considered here correspond to recent reinforced concrete structures representative of large strategic buildings in Spain, Andorra and France. Previous studies have already been carried out at ENIT to study the mechanical response of such structures, for example on the particular case of the Ophite tower in Lourdes [1-3]. To assess the seismic vulnerability of these structures, there are different large-scale methods such as Hazus or Risk-EU, not adapted to the scale of a building. Accordingly, we propose to settle numerical models by Finite Elements in order to predict, in the linear domain, the movements of the buildings. These numerical results could then be compared to experimental measurements done through various instrumentations (accelerometers, radar, [4]). [1] F. Duco, Méthodologies d'évaluation de la vulnérabilité sismique de bâtiments existants à partir d'une instrumentation in situ, thèse de doctorat, Institut National Polytechnique de Toulouse, 2002. [2] F. Frigui, J.P. Faye, C. Martin, O. Dalverny, F. Peres, S. Judenherc, An algorithm for damage detection and localization using output-only response for civil engineering structures subjected to seismic excitations. Proceedings of the M2D, 7th International Conference on Mechanics and Materials in Design, 11-18 June 2017, Albufeira, Portugal. [3] F. Frigui, J.P. Faye, C. Martin, O. Dalverny, F. Peres, S. Judenherc, Global methodology for damage detection and localization in civil engineering structures, Engineering Structures 171: 686–695, 2018. [4] C. Negulescu, G. Luzi, M. Crosetto, D. Raucoules, A. Roullé, D. Monfort, L. Pujades, B. Colas, T. Dewez, Comparison of seismometer and radar measurements for the modal identification of civil engineering structures, Engineering Structures 51: 10-22, 2013. POCRISC EFA158/16 project is 65% financed by the European Regional Development Fund (ERDF) through the Interreg V-A Spain France Andorra program (POCTEFA 2014-2020). POCTEFA aims to reinforce the economic and social integration of the French–Spanish–Andorran border. Its support is focused on developing economic, social and environmental cross-border activities through joint strategies favoring sustainable territorial development. The project started in January 2018 and lasts 3 years (2018-2020).

REQUIREMENTS: A degree in mechanics and particularly numerical modelling is required. Experience in modelling and simulating the mechanical behavior of structures is important, additional skills in damage simulation of structures and/or civil engineering would be a benefit. At the time of recruitment, applicants must have awarded a doctorate degree or must have engineering degree with a significant experience in the required domain. Candidates should be able to work effectively in team, within an international environment. They should have excellent organizational, reporting and communication skills, as well as a proactive attitude towards solving problems. A good English level is essential.
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