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Construction de modèles réduits pour le calcul des performances des avions

Abstract : The objective of this thesis is to provide a methodology and the associated tools in order to standardize the building process of performance and handling quality models. This typically leads to elaborate surrogate models in order to satisfy industrial contrasting objectives of memory size, accuracy and computation time. After listing the different steps of a construction of surrogates methodology and realizing a critical state of the art, Neural Networks and High Dimensional Model Representation methods have been selected and validated on low dimension functions. For functions of higher dimension, a reduction method based on the optimal selection of submodel surrogates has been developed which allows to satisfy the requirements on accuracy, computation time and memory size. The efficiency of this method has been demonstrated on an aircraft performance model which will be embedded into the avionic systems.
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Submitted on : Friday, December 21, 2018 - 10:36:11 AM
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Manon Bondouy. Construction de modèles réduits pour le calcul des performances des avions. Ingénierie, finance et science [cs.CE]. Institut de Mathématiques de Toulouse & Institut Universitaire de France, UMR 5219, Université de Toulouse, CNRS, UPS IMT; Airbus, 2016. Français. ⟨tel-01963127⟩



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