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Développement d’une méthode d’optimisation multiobjectif pour la construction bois : prise en compte du confort des usagers, de l’impact environnemental et de la sécurité de l’ouvrage

Abstract : Industrialised countries are seeking to reduce their energy consumption and to use alternative raw materials, including renewables such as wood. To promote its use, multi-storey timber constructive systems need the development of new design methods.Building required a multicriteria design where conflicting objectives must be optimised simultaneously. Research solutions have to achieve the best Pareto-compromise between use performance and environmental impact of the building. This work aims to develop a multiobjective optimisation method of timber multi-storey building.The objectives of maximising floor vibration comfort and minimising heating needs, thermal discomfort, global warming potential and embodied energy are taken into account. A multi-objective particle swarm optimization algorithm is used to obtain a set of non-dominated solutions which is the Pareto front. The solution space is constrained by regulatory requirements necessary for the safety of the structure. All objective-functions are modelled as analytic functions. Dynamic thermal simulation model outputs are replaced by metamodels.The developed method is implemented on a case study. The results offer a great diversity in a panel of 20 000 optimal solutions. These results provide a basis for discussion between the different actors of a construction project.
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https://tel.archives-ouvertes.fr/tel-01234197
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Submitted on : Thursday, November 26, 2015 - 1:44:38 PM
Last modification on : Tuesday, October 19, 2021 - 11:46:19 AM
Long-term archiving on: : Saturday, February 27, 2016 - 1:07:18 PM

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  • HAL Id : tel-01234197, version 1

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Stéphanie Armand Decker. Développement d’une méthode d’optimisation multiobjectif pour la construction bois : prise en compte du confort des usagers, de l’impact environnemental et de la sécurité de l’ouvrage. Mécanique [physics.med-ph]. Université de Bordeaux, 2015. Français. ⟨NNT : 2015BORD0189⟩. ⟨tel-01234197⟩

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