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A two-dimensional lattice model for describing the open channel flow with vegetation

  • F. J. Jiménez-Hornero
  • , J. V. Giráldez
  • , A. M. Laguna
  • , S. J. Bennett
  • , C. V. Alonso
  • University of Córdoba
  • United States Department of Agriculture

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A 2D lattice Boltzmann model (LBM) is proposed for describing the turbulent shallow water flow in a vegetated channel. The flow turbulence is taken into account by means of the standard Smagorinsky subgrid-scale model. The drag stress exerted by the flow on the vegetation as well as the frictional effects of the channel bed and walls are included in the LBM main equation. The simulated results are compared to the experimental cross-stream profiles of flow velocity obtained when considering a flume with alternate vegetation zones in which a meandering flow pattern is developed. In addition, a study about the influence of the distance between these vegetated areas on the flow turbulent structures is also reported.

Original languageEnglish
Title of host publicationProceedings of the International Conference on Fluvial Hydraulics - River Flow 2006
Pages565-573
Number of pages9
StatePublished - 2006
EventInternational Conference on Fluvial Hydraulics - River Flow 2006 - Lisbon, Portugal
Duration: Sep 6 2006Sep 8 2006

Publication series

NameProceedings of the International Conference on Fluvial Hydraulics - River Flow 2006
Volume1

Conference

ConferenceInternational Conference on Fluvial Hydraulics - River Flow 2006
Country/TerritoryPortugal
CityLisbon
Period09/6/0609/8/06

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