High-resolution numerical simulation of flow through a highly sinuous river reach

José F. Rodriguez, Fabián A. Bombardelli, Marcelo Horacio Garcia, Kelly M. Frothingham, Bruce L Rhoads, Jorge D. Abad

Research output: Contribution to journalArticle

Abstract

River dynamics involve complex, incompletely understood interactions among flow, sediment transport and channel form. The capacity to predict these interactions is essential for a variety of river management problems, including channel migration, width adjustment and habitat development. To address this need, high-resolution numerical models increasingly are being used by river engineers, fluvial geomorphologists and river biologists to explore the complexity of river dynamics and to predict fluvial behavior. This paper presents numerical simulations through a natural meadering river using two different models: a depth-averaged numerical 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 velocity data collected in a highly sinuous reach of the Embarras River in Central Illinois, showing a successful simulation of the main flow features. Implications for sediment transport, planform development and habitat structure throughout the reach are analyzed, demonstrating the potential use of the models as a tool for river management.

Original languageEnglish (US)
Pages (from-to)177-199
Number of pages23
JournalWater Resources Management
Volume18
Issue number3
DOIs
StatePublished - Jun 1 2004

Fingerprint

Rivers
Computer simulation
river
simulation
river management
sediment transport
Sediment transport
secondary flow
habitat structure
computational fluid dynamics
Flow interactions
Planforms
Secondary flow
Numerical models
Computational fluid dynamics
habitat
prediction
Engineers
code

Keywords

  • Acoustic Doppler Velocimeter
  • Computational fluid dynamics
  • Depth-averaged modeling
  • Meandering rivers
  • Meanders
  • Secondary circulation

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Water Science and Technology

Cite this

High-resolution numerical simulation of flow through a highly sinuous river reach. / Rodriguez, José F.; Bombardelli, Fabián A.; Garcia, Marcelo Horacio; Frothingham, Kelly M.; Rhoads, Bruce L; Abad, Jorge D.

In: Water Resources Management, Vol. 18, No. 3, 01.06.2004, p. 177-199.

Research output: Contribution to journalArticle

Rodriguez, José F. ; Bombardelli, Fabián A. ; Garcia, Marcelo Horacio ; Frothingham, Kelly M. ; Rhoads, Bruce L ; Abad, Jorge D. / High-resolution numerical simulation of flow through a highly sinuous river reach. In: Water Resources Management. 2004 ; Vol. 18, No. 3. pp. 177-199.
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