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Listar por autor "Garres-Díaz, José"
Mostrando ítems 1-14 de 14
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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 general vertical decomposition of Euler equations: Multilayer-moment models
Garres-Díaz, José; Escalante Sánchez, Cipriano; Morales de Luna, Tomás; Castro Díaz, Manuel Jesús (Elsevier, 2023-01)In this work, we present a general framework for vertical discretizations of Euler equations. It generalizes the usual ...
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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 semi-implicit approach for sediment transport models with gravitational effects
Garres-Díaz, José; Fernández Nieto, Enrique Domingo; Narbona Reina, Gladys (Elsevier, 2022)In this work efficient semi-implicit methods for sediment bedload transport models with gravitational effects under ...
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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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Artículo
Discussion on different numerical treatments on the loss of hyperbolicity for the two-layer shallow water system
Castro Díaz, Manuel Jesús; Fernández Nieto, Enrique Domingo; Garres-Díaz, José; Morales de Luna, Tomás (Elsevier, 2023)This paper focus on the numerical approximation of two-layer shallow water system. First, a new approximation of the ...
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Artículo
Layer-averaged approximation of Navier-Stokes system with complex rheologies
Fernández Nieto, Enrique Domingo; Garres-Díaz, José (EDP Sciences / Société de Mathématiques Appliquées et Industrielles, 2023)In this work, we present a family of layer-averaged models for the Navier–Stokes equations. For its derivation, we consider ...
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Tesis Doctoral
Multilayer methods for geophysical flows: modelling and numerical approximation.
Garres-Díaz, José (2018-06-08)Esta tesis se enmarca en el ámbito de la Matemática Aplicada y la Mecánica de Fluidos Computacional. Concretamente, aborda ...
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Artículo
Multilayer models for hydrostatic Herschel-Bulkley viscoplastic flows
Fernández Nieto, Enrique Domingo; Garres-Díaz, José; Vigneaux, Paul (Elsevier, 2023-06-01)Starting from Navier-Stokes’ equation we derive two shallow water multilayer models for yield stress fluids, depending on ...
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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
Multilayer shallow water models with locally variable number of layers and semi-implicit time discretization
Bonaventura, Luca; Fernández Nieto, Enrique Domingo; Garres-Díaz, José; Narbona Reina, Gladys (Elsevier Inc., 2018)We propose an extension of the discretization approaches for multilayer shallow water models, aimed at making them more ...
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Artículo
Non-hydrostatic layer-averaged approximation of Euler system with enhanced dispersion properties
Escalante Sánchez, Cipriano; Fernández Nieto, Enrique Domingo; Garres-Díaz, José; Morales de Luna, Tomás; Penel, Yohan (Springer Nature, 2023)A new family of non-hydrostatic layer-averaged models for the non-stationary Euler equations is presented in this work, ...
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Artículo
Non-hydrostatic layer-averaged approximation of Euler system with enhanced dispersion properties
Escalante Sánchez, Cipriano; Fernández Nieto, Enrique Domingo; Garres-Díaz, José; Morales de Luna, Tomás; Penel, Yohan (Springer, 2023-05-10)A new family of non-hydrostatic layer-averaged models for the non-stationary Euler equations is presented in this work, ...