Water Resources Management

, Volume 18, Issue 3, pp 177–199 | Cite as

High-resolution Numerical Simulation of Flow Through a Highly Sinuous River Reach

  • José F. Rodriguez
  • Fabián A. Bombardelli
  • Marcelo H. García
  • Kelly M. Frothingham
  • Bruce L. Rhoads
  • Jorge D. Abad
Article

Abstract

River dynamics involve complex, incompletely understoodinteractions among flow, sediment transport and channel form.The capacity to predict these interactions is essential for avariety of river management problems, including channelmigration, width adjustment and habitat development. To addressthis need, high-resolution numerical models increasingly arebeing used by river engineers, fluvial geomorphologists andriver biologists to explore the complexity of river dynamics andto predict fluvial behavior.This paper presents numerical simulations through a naturalmeadering river using two different models: a depth-averagednumerical code with secondary flow correction and a fully 3-D,state-of-the-art, Computational-Fluid-Dynamics (CFD) code.Models predictions are compared to high-quality 3-D velocitydata collected in a highly sinuous reach of the Embarras Riverin Central Illinois, showing a successful simulation of the mainflow features. Implications for sediment transport, planformdevelopment and habitat structure throughout the reach areanalyzed, demonstrating the potential use of the models as atool for river management.

Acoustic Doppler Velocimeter computationalfluid dynamics depth-averaged modeling meandering rivers meanders secondary circulation 

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Copyright information

© Kluwer Academic Publishers 2004

Authors and Affiliations

  • José F. Rodriguez
    • 1
  • Fabián A. Bombardelli
    • 2
  • Marcelo H. García
    • 3
  • Kelly M. Frothingham
    • 4
  • Bruce L. Rhoads
    • 5
  • Jorge D. Abad
    • 3
  1. 1.School of EngineeringThe University of NewcastleNew South WalesAustralia
  2. 2.Department of Civil and Environmental EngineeringUniversity of California at DavisDavisU.S.A
  3. 3.Van Te Chow Hydrosystems Laboratory, Department of Civil and Environmental EngineeringUniversity of Illinois at Urbana-ChampaignUrbanaU.S.A
  4. 4.Department of Geography and PlanningBuffalo State CollegeBuffaloU.S.A
  5. 5.Department of GeographyUniversity of Illinois at Urbana-ChampaignUrbanaU.S.A

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