DEBIDO A TAREAS DE MANTENIMIENTO DEL SERVIDOR, EL AUTOARCHIVO SE HA DESHABILITADO TEMPORALMENTE. ROGAMOS DISCULPEN LAS MOLESTIAS.
Artículo
Two-dimensional sediment transport models in shallow water equations. A second order finite volume approach on unstructured meshes
Autor/es | Castro Díaz, Manuel Jesús
Fernández Nieto, Enrique Domingo Ferreiro Ferreiro, Ana María Parés Madroñal, Carlos |
Departamento | Universidad de Sevilla. Departamento de Matemática Aplicada I (ETSII) |
Fecha de publicación | 2009 |
Fecha de depósito | 2015-12-22 |
Publicado en |
|
Resumen | In this paper, we study the numerical approximation of bedload sediment transport due to shallow layer flows. The hydrodynamical component is modeled by a 2D shallow water system and the morphodynamical component by a solid ... In this paper, we study the numerical approximation of bedload sediment transport due to shallow layer flows. The hydrodynamical component is modeled by a 2D shallow water system and the morphodynamical component by a solid transport discharge formula that depends on the hydrodynamical variables. The coupled system can be written as a nonconservative hyperbolic system. To discretize it, first we consider a Roe-type first order scheme as well as a variant based on the use of flux limiters. These first order schemes are then extended to second order accuracy by means of a new MUSCL-type reconstruction operator on unstructured meshes. Finally, some numerical tests are presented. |
Ficheros | Tamaño | Formato | Ver | Descripción |
---|---|---|---|---|
sediment_transport_2d.pdf | 2.261Mb | [PDF] | Ver/ | |