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A 1-D and 2-D Coupled Sediment Transport Model Using the Immersed-Boundary Method

[+] Author Affiliations
Ning Zhang, Johnathan Bolton

McNeese State University, Lake Charles, LA

Puxuan Li

Kansas State University, Manhattan, KS

Paper No. FEDSM2013-16209, pp. V01AT08A001; 6 pages
doi:10.1115/FEDSM2013-16209
From:
  • ASME 2013 Fluids Engineering Division Summer Meeting
  • Volume 1A, Symposia: Advances in Fluids Engineering Education; Advances in Numerical Modeling for Turbomachinery Flow Optimization; Applications in CFD; Bio-Inspired Fluid Mechanics; CFD Verification and Validation; Development and Applications of Immersed Boundary Methods; DNS, LES, and Hybrid RANS/LES Methods
  • Incline Village, Nevada, USA, July 7–11, 2013
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 978-0-7918-5554-6
  • Copyright © 2013 by ASME

abstract

Implementing small-scale rivers and channels within large-scale background sediment transport simulation is challenging because of the significant resolution difference. The modeling requires coupling between the background model and 1-D channel model. Based on a previously developed coupling method for hydrodynamic simulation, in this paper, a novel immersed-boundary (IB) type coupling method is developed and implemented for the sediment transport simulation. This coupling method enables dynamic linking between the channel and background with a relatively simple manner, and improves the efficiency and accuracy of the sediment transport simulation as water exchanges between the channel and background occur during a flooding event.

Copyright © 2013 by ASME
Topics: Sediments

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