Výsledky vyhledávání - "[PHYS.MECA.MEFL] Physics [physics]/Mechanics [physics]/Fluid mechanics [physics.class-ph]"

Debris-flow surges of a very active alpine torrent: a field database

Autor: Suzanne Lapillonne, Firmin Fontaine, Frédéric Liebault, Vincent Richefeu, Guillaume Piton

Publikováno v: Natural Hazards and Earth System Sciences
Natural Hazards and Earth System Sciences, 2023, 23 (4), pp.1241-1256. ⟨10.5194/nhess-23-1241-2023⟩
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This paper presents a methodology to analyse debris flows focusing at the surge scale rather than the full scale of the debris-flow event, as well as its application to a French site. Providing bulk surge features like volume, peak discharge, front h

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5e68e35128dad4a4ca47d10a5d0bdf83
https://doi.org/10.5194/nhess-23-1241-2023

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Un algorithme de calcul de trajectoires de particules au sein de maillages 3D non-structurés robuste en pas de temps pour des approches lagrangiennes stochastiques

Autor: Guilhem Balvet, Jean-Pierre Minier, Christophe Henry, Yelva Roustan, Martin Ferrand

Publikováno v: Monte Carlo Methods and Applications. 29:95-126

International audience; The purpose of this paper is to propose a time-step-robust cell-to-cell integration of particle trajectories in 3-D unstructured meshes in particle/mesh Lagrangian stochastic methods. The main idea is to dynamically update the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9da89356bd45c7ebb4ca64e8c115b16c
https://doi.org/10.1515/mcma-2023-2002

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On singularities in vortex sheets in 2D Euler flows using a high resolution characteristic mapping method

Autor: Bergmann, Julius, Maurel Oujia, Thibault, Nave, Jean-Christophe, Schneider, Kai, Yin, Xi Yuan

Publikováno v: 18th European Turbulence Conference
18th European Turbulence Conference, Prof. Sergio Hoyas, Sep 2023, Valencia, Spain

International audience; This numerical study aims at getting further insight into singular solutions of the 2D Euler equations for non-smooth initial data, in particular for vortex sheets, similar to Caflisch et al 1. For this, high resolution simula

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3430::445c1c65bfe43718e0bad6a7a37d7e2e
https://hal.science/hal-04153539

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Scaling of fractured rock flow. Proposition of indicators for selection of DFN based flow models

Autor: Davy, Philippe, Le Goc, Romain, Darcel, Caroline, Selroos, Jan-Olof

Publikováno v: Comptes Rendus. Géoscience
Comptes Rendus. Géoscience, 2023, Geo-hydrological Data & Models [GDM-Géo-hydrologie, données et modèles], 355 (S1), pp.1-23. ⟨10.5802/crgeos.174⟩

International audience; The objective of the paper is to better understand and quantify the flow structure in fractured rocks from flow logs, and to propose relevant indicators for validating, calibrating or even rejecting hydrogeological models. We

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3457cf8e43800c249b1086d70146d7c0
https://doi.org/10.5802/crgeos.174

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Influence of storage and buffer composition on the mechanical behavior of flowing red blood cells

Autor: Adlan Merlo, Sylvain Losserand, François Yaya, Philippe Connes, Magalie Faivre, Sylvie Lorthois, Christophe Minetti, Elie Nader, Thomas Podgorski, Céline Renoux, Gwennou Coupier, Emilie Franceschini

Publikováno v: Biophysical Journal
Biophysical Journal, In press, ⟨10.1016/j.bpj.2022.12.005⟩

International audience; On-chip study of blood flow has emerged as a powerful tool to assess the contribution of each component of blood to its overall function. Blood has indeed many functions, from gas and nutrient transport to immune response and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a6206fa74753eee0adbeedbafb32c3fb
https://doi.org/10.1016/j.bpj.2022.12.005

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A staggered projection scheme for viscoelastic flows

Autor: Mokhtari, O, Davit, Y, Latché, J.-C, Quintard, M

Publikováno v: ESAIM: Mathematical Modelling and Numerical Analysis.

We develop a numerical scheme for the flow of viscoelastic fluids, including the OldroydB and FENE-CR constitutive models. The space discretization is staggered, using either the Marker-And-Cell (MAC) scheme for structured nonuniform grids, or the Ra

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5d9982eee84db0f2aa671fc9769b326f
https://doi.org/10.1051/m2an/2023020

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Fuel cell diagnosis methods for embedded automotive applications

Autor: J. Aubry, N. Yousfi Steiner, S. Morando, N. Zerhouni, D. Hissel

Publikováno v: Energy Reports. 8:6687-6706

Fuel cell durability being one of the technical bolts regarding the technology industrialization in the automotive sector, durabilityimprovement methods are particularly relevant. Fault tolerant control process enables to increase fuel cell durabilit

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7e389fc07914b8d90889b7d908fee481
https://doi.org/10.1016/j.egyr.2022.05.036

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Value of green hydrogen when curtailed to provide grid balancing services

Autor: Federico Zenith, Martin Nord Flote, Maider Santos-Mugica, Corey Scott Duncan, Valerio Mariani, Claudio Marcantonini

Publikováno v: TECNALIA Publications
Fundación Tecnalia Research & Innovation

This paper evaluates the potential of grid services in France,Italy, Norway and Spain to provide an alternative income for

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0d23fc9a2265c17b5ba6bddc988585f4
https://doi.org/10.1016/j.ijhydene.2022.08.152

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FSI—vibrations of immersed cylinders. Simulations with the engineering open-source code TrioCFD. Test cases and experimental comparisons

Autor: Domenico Panunzio, Maria-Adela Puscas, Romain Lagrange

Publikováno v: Comptes Rendus. Mécanique
Comptes Rendus. Mécanique, 2022, 350 (G3), pp.451-476. ⟨10.5802/crmeca.126⟩

In this paper, we assess the capabilities of the Arbitrary Lagrangian–Eulerian (ALE) method implemented in the open-source code TrioCFD to tackle down two fluid–structure interaction problems involving moving boundaries. To test the code, we firs

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::af149f15fbf03f9ae8ab45861ca2cb7c
https://doi.org/10.5802/crmeca.126

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Assessment of one-way coupling methods from a potential to a viscous flow solver based on domain- and functional-decomposition for fixed submerged bodies in nonlinear waves

Autor: Michel Benoit, Fabien Robaux

Publikováno v: European Journal of Mechanics-B/Fluids
European Journal of Mechanics-B/Fluids, 2022, 95, pp.315-334. ⟨10.1016/j.euromechflu.2022.05.011⟩

To simulate the interaction of ocean waves with marine structures, coupling approaches between a potential flow model and a viscous model are investigated. The first model is a fully nonlinear potential flow (FNPF) model based on the Harmonic Polynom

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ef3d92d904153b94a499771930e05d29
https://doi.org/10.1016/j.euromechflu.2022.05.011

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