Výsledky vyhledávání - "Julien Pelamatti"

Akademický článek

Wasserstein-Based Evolutionary Operators for Optimizing Sets of Points: Application to Wind-Farm Layout Design

Autor: Babacar Sow, Rodolphe Le Riche, Julien Pelamatti, Merlin Keller, Sanaa Zannane

Publikováno v: Applied Sciences, Vol 14, Iss 17, p 7916 (2024)

This paper introduces an evolutionary algorithm for objective functions defined over clouds of points of varying sizes. Such design variables are modeled as uniform discrete measures with finite support and the crossover and mutation operators of the

Externí odkaz: https://doaj.org/article/3fcf466d2b0a4cf9be9de5137066041c

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Mixed Variable Gaussian Process-Based Surrogate Modeling Techniques: Application to Aerospace Design

Autor: Julien Pelamatti, El-Ghazali Talbi, Mathieu Balesdent, Yannick Guerin, Loïc Brevault

Publikováno v: Journal of Aerospace Information Systems
Journal of Aerospace Information Systems, 2021, 18 (11), pp.813-837. ⟨10.2514/1.I010965⟩

International audience; Within the framework of complex system analyses, such as aircraft and launch vehicles, the presence of computationally intensive models (e.g., finite element models and multidisciplinary analyses) coupled with the dependence o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e1d444253f6e6d8188ad38cd2d269ede
https://hal.science/hal-03541461/document

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Bayesian optimization of variable-size design space problems

Autor: El-Ghazali Talbi, Mathieu Balesdent, Julien Pelamatti, Yannick Guerin, Loïc Brevault

Publikováno v: Optimization and Engineering
Optimization and Engineering, 2021, 22 (1), pp.387-447. ⟨10.1007/s11081-020-09520-z⟩
Optimization and Engineering, Springer Verlag, 2021, 22 (1), pp.387-447. ⟨10.1007/s11081-020-09520-z⟩

International audience; Within the framework of complex system design, it is often necessary to solve mixed variable optimization problems, in which the objective and constraint functions can depend simultaneously on continuous and discrete variables

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d874493e567c972150871d1e7a2b999a
https://hal.science/hal-03247618

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Autor: Julien Pelamatti, Nouredine Melab, El-Ghazali Talbi, Ali Hebbal, Loïc Brevault, Mathieu Balesdent

Publikováno v: Springer Optimization and Its Applications
Springer Optimization and Its Applications, 156, pp.321-358, 2020, Aerospace System Analysis and Optimization in Uncertainty, 978-3-030-39126-3. ⟨10.1007/978-3-030-39126-3_9⟩
Springer Optimization and Its Applications ISBN: 9783030391256

International audience; In addition to the multi-fidelity aspects in MDO discussed in Chapter 8, two additional topics of interest to solve complex MDO problems are discussed in this chapter: multi-objective MDO and mixed continuous/discrete variable

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::02a83ee47d16afc460f18d50d8f1ec05
https://hal.science/hal-03046285

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Overview and Comparison of Gaussian Process-Based Surrogate Models for Mixed Continuous and Discrete Variables: Application on Aerospace Design Problems

Autor: Yannick Guerin, El-Ghazali Talbi, Mathieu Balesdent, Julien Pelamatti, Loïc Brevault

Publikováno v: High-Performance Simulation-Based Optimization
High-Performance Simulation-Based Optimization, Springer, pp.189-224, 2020, ⟨10.1007/978-3-030-18764-4_9⟩
High-Performance Simulation-Based Optimization ISBN: 9783030187637

International audience; Surrogate modeling is an increasingly popular tool for engineering design as it enables to model the performance of very complex systems with a limited computational cost. A large number of techniques exists for the surrogate

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::238c3bf8bf1551061dff857b99f9bf43
https://hal.archives-ouvertes.fr/hal-02304707

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Efficient global optimization of constrained mixed variable problems

Autor: Yannick Guerin, Mathieu Balesdent, Julien Pelamatti, El-Ghazali Talbi, Loïc Brevault

Publikováno v: Journal of Global Optimization
Journal of Global Optimization, 2019, 73 (3), pp.583-613. ⟨10.1007/s10898-018-0715-1⟩
Journal of Global Optimization, Springer Verlag, 2019, 73 (3), pp.583-613. ⟨10.1007/s10898-018-0715-1⟩

International audience; Due to the increasing demand for high performance and cost reduction within the framework of complex system design, numerical optimization of computationally costly problems is an increasingly popular topic in most engineering

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::96c08749b26524d665103a93db2fa5a7
https://hal.science/hal-02304730

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Surrogate model based optimization of constrained mixed variable problems: application to the design of a launch vehicle thrust frame

Autor: El-Ghazali Talbi, Loïc Brevault, Mathieu Balesdent, Yannick Guerin, Julien Pelamatti

Publikováno v: SciTech 2019-AIAA Science and Technology Forum and Exposition
SciTech 2019-AIAA Science and Technology Forum and Exposition, Jan 2019, SAN DIEGO, United States. ⟨10.2514/6.2019-1971⟩

International audience; Within the framework of complex systems design, such as launch vehicles, numerical optimization is an essential tool as it allows to reduce the design process time and costs. The inclusion of discrete variables in the design o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3dd6b370927c22ee967bc594ae870e13
https://hal.science/hal-02304816

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How to deal with mixed-variable optimization problems: An overview of algorithms and formulations

Autor: Mathieu Balesdent, Loïc Brevault, Julien Pelamatti, Yannick Guerin, El-Ghazali Talbi

Publikováno v: Advances in Structural and Multidisciplinary Optimization
Advances in Structural and Multidisciplinary Optimization, Springer, pp.64-82, 2018, ⟨10.1007/978-3-319-67988-4_5⟩
Advances in Structural and Multidisciplinary Optimization ISBN: 9783319679877

International audience; Real world engineering optimization problems often involve discrete variables (e.g., categorical variables) characterizing choices such as the type of material to be used or the presence of certain system components. From an a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::69e21d28660fe66540d99feb212bf95c
https://inria.hal.science/hal-01690446

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