Výsledky vyhledávání - "Discret element method"

[en] IMPACT ON SEISMIC IMAGING OF GEOLOGICAL FAULTS IN CARBONATE ROCKS

[pt] As falhas geológicas são estruturas tipicamente interpretadas em duas dimensões, como superfícies, nos dados sísmicos e da mesma maneira são representadas em modelos geológicos de reservatórios de petróleo. Entretanto, as falhas são zo

Externí odkaz: https://www.maxwell.vrac.puc-rio.br/colecao.php?strSecao=resultado&nrSeq=64096@1
https://www.maxwell.vrac.puc-rio.br/colecao.php?strSecao=resultado&nrSeq=64096@2

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Discrete-element simulations of comminution in rotating drums: Effects of grinding media

Autor: Luisa Fernanda Orozco, Philippe Sornay, Duc Hanh Nguyen, Jean-Yves Delenne, Farhang Radjai

Publikováno v: Powder Technology
Powder Technology, Elsevier, 2020, 362, pp.157-167. ⟨10.1016/j.powtec.2019.12.014⟩
Powder Technology, 2020, 362, pp.157-167. ⟨10.1016/j.powtec.2019.12.014⟩

International audience; By means of Discrete-Element simulations with Bonded-Cell method for particle breakage, we investigate the evolution of crushable granular materials in a 2D rotating drum partially filled with heavy balls and powder grains. Th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b51710e508af3734f36aa0c887090d6b
https://hal.archives-ouvertes.fr/hal-02409236

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2e YADE Workshop : Modélisation discrète multi-échelles de problèmes couplés. Recueil des résumés

Autor: Duriez, J.

[Departement_IRSTEA]Eaux [ADD1_IRSTEA]Hydrosystèmes et risques naturels; The booklet includes the abstracts for the 4 keynote lectures and 34 regular talks delivered during the 2nd Yet Another Discrete Element Workshop: Discrete-based modeling of mu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::8423ddd28b97e749953274849cdea718
https://hal.archives-ouvertes.fr/hal-01818914/file/ax2018-pub00057606.pdf

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A micromechanical muUNSAT effective stress expression for stress-strain behaviour of wet granular materials

Autor: Jérôme Duriez, Richard Wan

Publikováno v: Geomechanics for Energy and the Environment
Geomechanics for Energy and the Environment, Elsevier, 2018, 15, pp.10-18. ⟨10.1016/j.gete.2017.12.003⟩
Geomechanics for Energy and the Environment, 2018, 15, pp.10-18. ⟨10.1016/j.gete.2017.12.003⟩

[Departement_IRSTEA]Eaux [ADD1_IRSTEA]Hydrosystèmes et risques naturels; International audience; The definition of an effective stress variable for idealized triphasic granular media as the contact stress arising from interparticle forces is examine

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::89655c49cfda92551f453e6f5d3909ab
https://hal.archives-ouvertes.fr/hal-01893074/document

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Force fluctuations on a wall in interaction with a granular lid-driven cavity flow

Autor: Frédéric Dufour, Nicolas Eckert, Thierry Faug, Mohamed Naaim, Gilles Nicolet, François Kneib

Publikováno v: Physical Review E
Physical Review E, American Physical Society (APS), 2017, 96 (4), ⟨10.1103/PhysRevE.96.042906⟩
Physical Review E, American Physical Society (APS), 2017, 96 (4), pp.18. ⟨10.1103/PhysRevE.96.042906⟩

International audience; The force fluctuations experienced by a boundary wall subjected to a lid-driven cavity flow are investigated by means of numerical simulations based on the discrete element method. The time-averaged dynamics inside the cavity

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::998091adcb140dda26fed3eaf3d456be
https://hal.archives-ouvertes.fr/hal-01975805

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Érosion d'une couche de sol cohésif au-dessus d'une cavité

Autor: Pierre Philippe, Olivier Brivois, Li-Hua Luu, Gildas Noury, Jérôme Perrin

Publikováno v: EPJ Web of Conferences 140 (2017)
Powders and Grains-8th International Conference on Micromechanics of Granular Media
Powders and Grains-8th International Conference on Micromechanics of Granular Media, Jul 2017, Montpellier, France. 4 p
EPJ Web of Conferences, Vol 140, p 09038 (2017)

Powders and Grains - 8th International Conference on Micromechanics of Granular Media, Montpellier, FRA, 03-/07/2017 - 07/07/2017; International audience; Using a recently developed 2D numerical modelling that combines Discrete Element (DEM) and Latt

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::50bef6bb6f35d298937a867cb6010410
https://hal.archives-ouvertes.fr/hal-01581847/document

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Micromechanical modelling of suffusion: towards the stability analysis of hydraulic structures

Autor: Wautier, A., Nicot, François, Bonelli, Stéphane

Publikováno v: Springer Series in Geomechanics and Geoengineering
11th International Workshop on Bifurcation and Degradation in Geomaterials (IWBDG2017)
11th International Workshop on Bifurcation and Degradation in Geomaterials (IWBDG2017), May 2017, Limassol, Cyprus. pp.169-175, ⟨10.1007/978-3-319-56397-8_22⟩

[Departement_IRSTEA]Eaux [TR1_IRSTEA]RIVAGE [ADD1_IRSTEA]Hydrosystèmes et risques naturels; International audience; Suffusion is the most controversial of the process of internal erosion and piping as there is a lack of microscopic understanding of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::3bc4d53cf72695b89c6ac1ae6a0bda11
https://hal.archives-ouvertes.fr/hal-01901761/file/ax2017-pub00057344.pdf

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Dissertation/ Thesis

Simulation numérique de la dynamique d'un lit granulaire cisaillé par un fluide visqueux

Autor: Bouteloup, Joris

Ce travail de thèse concerne l'étude numérique du transport par charriage d'un lit de grain dans un écoulement de Couette laminaire. La méthode numérique employée est un modèle de type Euler-Lagrange, où la taille de la cellule de calcul eul

Externí odkaz: http://www.theses.fr/2017INPT0019/document

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Dissertation/ Thesis

Modélisation multi-physique du comportement tribologique du contact balai-collecteur, cas des démarreurs stop-start

Autor: Zeng, Chaoqun

Les balais de démarreurs utilisent un mélange de graphite et de cuivre pour assurer la transmission du courant électrique dans un contact glissant. La densité de courant qu'ils subissent peut atteindre 300A et la vitesse de glissement 20m/s. Ces

Externí odkaz: http://www.theses.fr/2017MONTS029/document

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Modeling the tribological behavior of brush-commutator contact for electrical starters by Discrete Element Method

Autor: Zeng, Chaoqun

Publikováno v: Génie civil. Université Montpellier, 2017. Français. ⟨NNT : 2017MONTS029⟩

We study the tribological behavior of brush-commutator contact for electrical starters. Such contact composed of metal-graphite brushes and a copper commutator is under extremely severe electrical and mechanical sollicitations during starting cycles.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______212::c5859fb79b44f11497512cd5ecf85aec
https://tel.archives-ouvertes.fr/tel-01916412/document

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