Buscar
Mostrando ítems 21-24 de 24
Artículo
A bed pressure correction of the friction term for depth-averaged granular flow models
(Elsevier, 2022)
Depth-averaged models, such as the Savage-Hutter model with Coulomb or Pouliquen fric tion laws, do not in some cases preserve the physical threshold of motion. In particular, the simulated granular mass can start to flow ...
Artículo
A two-layer shallow water model for bedload sediment transport: convergence to Saint-Venant-Exner model
(Cornell University, 2017)
A two-layer shallow water type model is proposed to describe bedload sediment transport. The upper layer is lled by water and the lower one by sediment. The key point falls on the de nition of the friction laws between ...
Artículo
A two-phase two-layer model for fluidized granular flows with dilatancy effects
(Cambridge University Press, 2016)
We propose a two-phase two-thin-layer model for fluidized debris flows that takes into account dilatancy effects, based on the closure relation proposed by Roux & Radjai (Physics of Dry Granular Media, 1998, Springer, pp. ...
Artículo
Derivation of a bilayer model for shallow water equations with viscosity. Numerical validation
(Tech Science Press, 2009)
In this work we present a new two-dimensional bilayer Shallow-Water model including viscosity and friction effects on the bottom and interface level. It is obtained following [[6]] from an asymptotic analysis of non-dimensional ...