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Listar por autor "Narbona Reina, Gladys"
Mostrando ítems 1-20 de 37
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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 HLLC scheme for nonconservative hyperbolic problems. Application to turbidity currents with sediment transport.
Castro Díaz, Manuel Jesús; Fernández Nieto, Enrique Domingo; Morales de Luna, Tomás; Narbona Reina, Gladys; Parés Madroñal, Carlos (Cambridge University Press, 2013)This paper focuses on the generalization of the HLLC Riemann solver for nonconservative problems. First, the general ideas ...
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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 second order pvm flux limiter method. Application to magnetohydrodynamics and shallow stratified flows
Castro Díaz, Manuel Jesús; Fernández Nieto, Enrique Domingo; Narbona Reina, Gladys; Asunción, M. de la (Academic Press, 2014)In this work we propose a second order flux limiter finite volume method, named PVM-2U-FL, that only uses information of ...
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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 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-layer shallow water model for bedload sediment transport: convergence to Saint-Venant-Exner model
Escalante Sánchez, Cipriano; Fernández Nieto, Enrique Domingo; Morales de Luna, Tomás; Narbona Reina, Gladys (Cornell University, 2017)A two-layer shallow water type model is proposed to describe bedload sediment transport. The upper layer is lled by water ...
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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 well-balanced finite volume-augmented lagrangian method for an integrated Herschel-Bulkley model
Acary-Robert, C.; Fernández Nieto, Enrique Domingo; Narbona Reina, Gladys; Vigneaux, Paul (Plenum Press, 2012)We are interested in the derivation of an integrated Herschel-Bulkley model for shallow flows, as well as in the design ...
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Tesis Doctoral
Aproximación numérica de algunos flujos de interés en arquitectura e ingeniería mediante esquemas positivos en elementos finitos
Narbona Reina, Gladys (2004-11-26)En esta memoria se trata varios aspectos del proceso de modelación numérica de sistemas físicos en el ámbito de la mecánica ...
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Ponencia
Building and surroundings: thermal coupling
Rodríguez, E.; Sánchez de la Flor, Francisco José; Rojas Fernández, Juan Manuel; Galán-Marín, Carmen; Fernández Nieto, Enrique Domingo; Narbona Reina, Gladys; Rincón Casado, Alejandro; Catalán, A. (Universidad de Cádiz, 2015)Energy building performance can be different according to outdoor conditions or urban environment, at the same time that ...
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Artículo
Derivation of a bilayer model for shallow water equations with viscosity. Numerical validation
Narbona Reina, Gladys; Zabsonré, J.D.; Fernández Nieto, Enrique Domingo; Bresch, Didier (Tech Science Press, 2009)In this work we present a new two-dimensional bilayer Shallow-Water model including viscosity and friction effects on the ...
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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
Existence of a global weak solution for a 2d viscous bi-layer Shallow Water model
Zabsonré, J.D.; Narbona Reina, Gladys (Elsevier Science, 2009)We consider a non-linear viscous bi-layer shallow water model with capillarity effects and extra friction terms in a ...
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Artículo
Existence of global weak solutions for a viscous 2D bilayer Shallow Water model
Narbona Reina, Gladys; Zabsonré, J.D. (Elsevier, 2011)We consider a system composed by two immiscible fluids in two-dimensional space that can be modelized by a bilayer Shallow ...
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Artículo
Extension of WAF type methods to non-homogeneous Shallow Water Equations with pollutant
Fernández Nieto, Enrique Domingo; Narbona Reina, Gladys (Plenum Press, 2008)This paper deals with the extension of the WAF method to discretize Shallow Water Equations with pollutants. We consider ...
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Artículo
Formal deduction of the saint-venant–exner model including arbitrarily sloping sediment beds and associated energy
Fernández Nieto, Enrique Domingo; Morales de Luna, Tomás; Narbona Reina, Gladys; Zabsonré, J.D. (Dunod, 2017)In this work we present a deduction of the Saint-Venant–Exner model through an asymptotic analysis of the Navier–Stokes ...