Výsledky vyhledávání - "Matthieu Constant"

Simulation of air invasion in immersed granular beds with an unresolved FEM–DEM model

Autor: Nathan Coppin, Frédéric Dubois, Matthieu Constant, Jonathan Lambrechts, Vincent Legat, Valérie Vidal

Publikováno v: Computational Particle Mechanics
Computational Particle Mechanics, Springer Verlag, 2020, ⟨10.1007/s40571-020-00351-4⟩
Computational Particle Mechanics, 2020, ⟨10.1007/s40571-020-00351-4⟩
Computational Particle Mechanics, Vol. 8, p. 535-560 (2021)

International audience; This paper is devoted to an unresolved model for the simulation of air invasion in immersed granular flows without interface reconstruction between the liquid and the gas. Experiments of air invading a granular bed immersed in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::41186df03d7142063fb83384e55e0335
https://doi.org/10.1007/s40571-020-00351-4

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Numerical analysis of the drag on a rigid body in an immersed granular flow

Autor: Jonathan Lambrechts, Nathan Coppin, Frédéric Dubois, Matthieu Constant, Vincent Legat

Publikováno v: Computational Particle Mechanics
Computational Particle Mechanics, Springer Verlag, 2021, ⟨10.1007/s40571-021-00418-w⟩
Computational Particle Mechanics, Vol. 9, p. 393-406 (2022)

International audience; The drag exerted on an object moving in a granular medium is subject to many studies: in dry grains, it depends on the stress – often due to gravity – inside the grains. For Froude numbers less than 10, the drag is indepen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f315a903c8e458aabfd70677d5a3a077
https://hal.archives-ouvertes.fr/hal-03269423/file/Coppin_al-2021-Computational_Particle_Mechanics.pdf

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Numerical investigation of the density sorting of grains using water jigging

Autor: Riccardo Artoni, Vincent Legat, Frédéric Dubois, Nathan Coppin, Matthieu Constant, Jonathan Lambrechts

Publikováno v: Powder Technology
Powder Technology, Elsevier, 2021, 393, p.705-721. ⟨10.1016/j.powtec.2021.07.036⟩
Powder Technology, Vol. 393, no.1, p. 705-721 (2021)

This paper is devoted to the investigation of the density sorting of grains using water jigging. Experiments achieved in a laboratory scale water jig for two initial binary bed configurations are studied and compared to numerical results. The vertica

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fe62f1cf874143d8a295e7ea32cf25aa
https://hal.archives-ouvertes.fr/hal-03324034/file/tex00004953.pdf

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Approche multi-échelles pour simuler l'injection d'air au sein de matrices granulaires immergées

Autor: Matthieu Constant, Vidal, Valérie, Dubois, Frédéric, Jonathan Lambrechts, Vincent Legat

Publikováno v: DIAL

L’injection de gaz au sein de matrices granulaires immergées fait l’objet de plusieurs recherches expérimentales et apparaît dans de nombreuses applications. Nous présentons une extension au logiciel de simulation des écoulements granulaires

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::b00dc0676d61d2c51617ae5e68bcf972
https://hdl.handle.net/2078.1/219018

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Validation du frottement dans un modèle multi-échelles d'écoulements granulaires immergés en vue de l'étude numérique de la traînée

Autor: Nathan Coppin, Matthieu Constant, Vincent Legat, Jonathan Lambrechts, Dubois, Frédéric

Publikováno v: DIAL

Le frottement a une influence importante sur la force de traînée subie par un objet en mouvement dans un milieu granulaire. Pour les milieux immergés, cette influence est encore mal connue. Le frottement est implémenté dans un modèle multi-éch

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::e35f7aaf05318f5091930bc02aebab84
https://hdl.handle.net/2078.1/219017

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Sorting grains by successive depositions computed using an unresolved FEM-DEM multiscale model

Autor: Matthieu Constant, Artoni, Riccardo, Dubois, Frédéric, Jonathan Lambrechts, Vincent Legat

Publikováno v: DIAL

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::80eb181e4a539f9d07a6b3e98cb3108a
https://hdl.handle.net/2078.1/226771

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Implementation of an unresolved stabilised FEM–DEM model to solve immersed granular flows

Autor: Frédéric Dubois, Jonathan Lambrechts, Matthieu Constant, Vincent Legat

Publikováno v: Computational Particle Mechanics
Computational Particle Mechanics, Springer Verlag, 2018, ⟨10.1007/s40571-018-0209-4⟩
Computational Particle Mechanics, Vol. 6, no. 2, p. 213-226 (01/04/2019)

International audience; This paper presents an unresolved computational fluid dynamic–discrete element method (CFD–DEM) model for the simulation of flows mixing fluid and grains. The grains trajectories are solved at a fine scale using a discrete

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b2324fc722c24449bf4f409697ff3bb8
https://hal.archives-ouvertes.fr/hal-01887703/file/Art_Dubois_al_Comput.Part.Mech_2018.pdf

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A transition-based verbal multiword expression analyzer

Autor: Hazem Al Saied, Marie Candito, Matthieu Constant

Publikováno v: Multiword expressions at length and in depth
Stella Markantonatou, Carlos Ramisch, Agata Savary, Veronika Vincze. Multiword expressions at length and in depth, Language Science Press, 2018, 978-3-96110-123-8. ⟨10.5281/zenodo.1469561⟩

We describe a robust transition-based analyzer for identifying and categorizing Verbal Multiword Expressions (VMWEs). The system was developed and evaluated using the datasets of the PARSEME shared task on VMWE identification (Savary et al. 2017). We

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0eae222499ed0c9a2aa9cbcdc1ab8190
https://hal.archives-ouvertes.fr/hal-01930522

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Modèle hybride multi-échelles pour les écoulements granulaires immergés

Autor: Matthieu Constant, Dubois, Frédéric, Jonathan Lambrechts, Vincent Legat

Publikováno v: 13e colloque national en calcul des structures
13e colloque national en calcul des structures, Université Paris-Saclay, May 2017, Giens, Var, France
DIAL

International audience; Les écoulements granulaires immergés font l’objet d’un grand nombre de recherches. Nous présentons un nouveau modèle numérique, pour simuler les mélanges fluide-grains, basé sur une approche hybride multi-échelles.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::9a8b84a3fe46650d8c932cb132a799ff
https://hal.archives-ouvertes.fr/hal-01899347/document

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Benchmarking Joint Lexical and Syntactic Analysis on Multiword-Rich Data

Autor: Matthieu Constant, Héctor Martínez Alonso

Publikováno v: MWE@EACL

This article evaluates the extension of a dependency parser that performs joint syntactic analysis and multiword expression identification. We show that, given sufficient training data, the parser benefits from explicit multiword information and impr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9e7112026d89e0f398dee4cc11510081
https://doi.org/10.18653/v1/w17-1725

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