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Mostrando ítems 1-16 de 16
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Artículo
2D granular flows with the μ(I) rheology and side walls friction: A well-balanced multilayer discretization
Fernández Nieto, Enrique Domingo; Garres-Díaz, José; Mangeney, Anne; Narbona Reina, Gladys (Elsevier Inc., 2018-03)We present here numerical modelling of granular flows with the rheology in confined channels. The contribution is twofold: ...
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Artículo
A bed pressure correction of the friction term for depth-averaged granular flow models
Bouchut, François; Delgado Sánchez, Juan Manuel; Fernández Nieto, Enrique Domingo; Mangeney, Anne; Narbona Reina, Gladys (Elsevier, 2022)Depth-averaged models, such as the Savage-Hutter model with Coulomb or Pouliquen fric tion laws, do not in some cases ...
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Artículo
A multilayer shallow model for dry granular ows with the (I)-rheology: application to granular collapse on erodible beds
Fernández Nieto, Enrique Domingo; Garres-Díaz, José; Mangeney, Anne; Narbona Reina, Gladys (Cambridge University Press, 2016)In this work we present a multilayer shallow model to approximate the Navier–Stokes equations with the μ(I)μ(I)-rheology ...
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Artículo
A new Savage-Hutter type model for submarine avalanches and generated tsunami
Fernández Nieto, Enrique Domingo; Bouchut, François; Bresch, Didier; Castro Díaz, Manuel Jesús; Mangeney, Anne (Elsevier, 2008)In this paper we present a new two-layer model of Savage-Hutter type to study submarine avalanches. A layer composed of ...
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Artículo
A two-layer shallow flow model with two axes of integration, well-balanced discretization and application to submarine avalanches
Delgado Sánchez, Juan Manuel; Bouchut, François; Fernández Nieto, Enrique Domingo; Mangeney, Anne; Narbona Reina, Gladys (Elsevier, 2020-04-01)We propose a two-layer model with two different axes of integration and a well-balanced finite volume method. The purpose ...
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Artículo
A two-phase shallow debris flow model with energy balance
Bouchut, François; Fernández Nieto, Enrique Domingo; Mangeney, Anne; Narbona Reina, Gladys (2015)This paper proposes a thin layer depth-averaged two-phase model provided by a dissipative energy balance to describe ...
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Ponencia
A two-phase solid-fluid model for dense granular flows including dilatancy effects: comparison with submarine granular collapse experiments
Bouchut, François; Fernández Nieto, Enrique Domingo; Koné, El Hadji; Mangeney, Anne; Narbona Reina, Gladys (2017)We simulate here the collapse of granular columns immersed in a viscous fluid based on a simplified version of the model ...
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Artículo
A two-phase two-layer model for fluidized granular flows with dilatancy effects
Bouchut, François; Fernández Nieto, Enrique Domingo; Mangeney, Anne; Narbona Reina, Gladys (Cambridge University Press, 2016)We propose a two-phase two-thin-layer model for fluidized debris flows that takes into account dilatancy effects, based ...
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Artículo
A Weakly Non-hydrostatic Shallow Model for Dry Granular Flows
Garres-Díaz, José; Fernández Nieto, Enrique Domingo; Mangeney, Anne; Morales de Luna, Tomás (Springer, 2021)A non-hydrostatic depth-averaged model for dry granular flows is proposed, taking into account vertical acceleration. A ...
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Ponencia
Deducción y simulación numérica de un nuevo modelo de avalanchas submarinas
Fernández Nieto, Enrique Domingo; Bouchut, François; Bresch, Didier; Castro Díaz, Manuel Jesús; Mangeney, Anne (2007-09)En este trabajo se estudia un nuevo modelo de tipo Savage-Hutter para avalanchas submarinas. El modelo obtenido es de tipo ...
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Artículo
Dilatancy in dry granular flows with a compressible μ(I) rheology
Bouchut, François; Fernández Nieto, Enrique Domingo; Koné, El Hadji; Mangeney, Anne; Narbona Reina, Gladys (Elsevier, 2021)Dilatancy plays a key role in mixtures of grains and fluid but is poorly investigated in dry granular flows. These flows ...
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Artículo
Multilayer models for shallow two-phase debris flows with dilatancy effects
Garres-Díaz, José; Bouchut, François; Fernández Nieto, Enrique Domingo; Mangeney, Anne; Narbona Reina, Gladys (Elsevier, 2020)We present here a multilayer model for shallow grain-fluid mixtures with dilatancy effects. It can be seen as a generalization ...
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Artículo
Multilayer shallow model for dry granular flows with a weakly non-hydrostatic pressure
Escalante, C.; Fernández Nieto, Enrique Domingo; Garres-Díaz, José; Mangeney, Anne (Springer, 2023)The multilayer model proposed in this paper is a generalization of the multilayer non-hydrostatic model for shallow granular ...
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Artículo
Numerical simulation of submarine landslides and generated tsunamis: application to the on-going Mayotte seismo-volcanic crisis
Poulain, Pablo; Friant, Anne Le; Pedreros, Rodrigo; Mangeney, Anne; Filippini, Andrea G.; Grandjean, Gilles; Lemoine, Anne; Fernández Nieto, Enrique Domingo; Castro Díaz, Manuel Jesús; Peruzzetto, Marc (Institut de France: Académie des sciences, 2022-07)Since May 2018, Mayotte Island has been experiencing seismo-volcanic activities that could trigger submarine landslides ...
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Artículo
On new erosion models of Savage-Hutter type for avalanches
Bouchut, François; Fernández Nieto, Enrique Domingo; Mangeney, Anne; Lagreé, P.-Y. (Springer, 2008)In this work, we study the modeling of one-dimensional avalanche flows made of a moving layer over a static base, where ...
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Artículo
Performance and limits of a shallow-water model for landslide-generated tsunamis: from laboratory experiments to simulations of flank collapses at Montagne Pelée (Martinique)
Poulain, Pablo; Le Friant, Anne; Mangeney, Anne; Viroulet, Sylvain; Fernández Nieto, Enrique Domingo; Castro Díaz, Manuel Jesús; Peruzzetto, Marc; Grandjean, Gilles; Bouchut, François; Pedreros, Rodrigo; Komorowski, Jean-Christophe (Oxford University Press, 2023-05)We investigate the dynamics and deposits of granular flows and the amplitude of landslide-generated water waves using the ...