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Visualization of the Bulle-Effect at River Bifurcations

Published: 22 July 2018 Publication History

Abstract

The visualization highlights the phenomenon of non-linear distribution of near-bed sediment at asymmetric river bifurcations, also known as the Bulle-Effect. The visualized results were generated on Blue Waters (at NCSA), using the open-source high-order spectral element based Navier-Stokes solver Nek5000 coupled with a Lagrangian particle tracking model developed for this study. The Bulle Effect causes sediment in the lower part of the water-column to preferentially move into the lateral-channel, even in cases where a relatively higher percentage of the total flow continues along the main-channel. This has implications for the construction of such channels for use in irrigation, navigation and delta restoration. The visualization emphasizes the difference in dynamics of sediment traveling at different depths of the channel, this helps animate the mechanism behind the Bulle-Effect succinctly. Additional flow features, such as velocity magnitude and coherent structures, have also been visualized to enhance our understanding of the interactions between the flow and sediment.

References

[1]
H. Bulle. 1926. Untersuchungen über die Geschiebeableitung bei der Spaltung von Wasserläufen: Modellversuche aus dem Flussbaulaboratorium der Technischen Hochschule zu Karlsruhe. VDI-Verlag.
[2]
M. O Deville, P. F Fischer, and E. H Mund. 2002. High-order methods for incompressible fluid flow. Vol. 9. Cambridge university press.
[3]
S. Dutta. 2017. Bulle-effect and its implications for morphodynamics of river diversions. Ph.D. Dissertation. University of Illinois at Urbana-Champaign, Urbana, IL.
[4]
S. Dutta, P. Fischer, and M. H. Garcia. 2016. Large Eddy Simulation (LES) of flow and bedload transport at an idealized 90-degree diversion: Insight into Bulle-Effect. In Proceedings of River Flow 2016, Marcelo H. Garcia George Constantinescu and Dan Hanes (Eds.). CRC Press, Iowa City, USA, 101--109.
[5]
S. Dutta, P. Fischer, and M.H. Garcia. 2018. Fast semi-implicit Lagrangian particle tracking model for efficient computation of poly-disperse particle transport. under preparation for Journal of Scientific Computing (2018).
[6]
S. Dutta and M. H. Garcia. 2018. Discussion of "Evaluation of Sediment Diversion Design Attributes and their Impact on the Capture Efficiency" by Ahmed Gaweesh and Ehab Meselhe. In press, Journal of Hydraulic Engineering (2018).
[7]
S. Dutta and M. H. Garcia. 2018. Nonlinear Distribution of Sediment at River Diversions: Brief History of the Bulle Effect and Its Implications. Journal of Hydraulic Engineering 144, 5 (May 2018), 36--44.
[8]
S. Dutta, D. Wang, P. Tassi, and M. H. Garcia. 2017. Three-Dimensional Numerical Modeling of the Bulle-Effect: the non-linear distribution of near-bed sediment at fluvial diversions. Earth Surface Processes and Landforms 42, 14 (2017), 2322--2337.
[9]
P. Fischer, J. W. Lottes, and S. G. Kerkemeier. 2008. Nek5000. (2008). https://nek5000.mcs.anl.gov/
[10]
J. Jeong and F. Hussain. 1995. On the identification of a vortex. Journal of Fluid Mechanics. 285 (Feb. 1995), 69--94.

Cited By

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  • (2023)Three-Dimensional Hydrodynamics and Morpho-dynamics at a Tidal River JunctionEstuaries and Coasts10.1007/s12237-023-01299-347:2(376-396)Online publication date: 20-Nov-2023
  • (2019)A scalable Euler–Lagrange approach for multiphase flow simulation on spectral elementsThe International Journal of High Performance Computing Applications10.1177/1094342019867756(109434201986775)Online publication date: 12-Aug-2019
  • (2019)Flow and Suspended Sediment Division at Two Highly Asymmetric Bifurcations in a River Delta: Implications for Channel StabilityJournal of Geophysical Research: Earth Surface10.1029/2018JF004994124:10(2358-2380)Online publication date: 16-Oct-2019

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cover image ACM Other conferences
PEARC '18: Proceedings of the Practice and Experience on Advanced Research Computing: Seamless Creativity
July 2018
652 pages
ISBN:9781450364461
DOI:10.1145/3219104
Permission to make digital or hard copies of part or all of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for third-party components of this work must be honored. For all other uses, contact the Owner/Author.

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 22 July 2018

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Author Tags

  1. Lagrangian Particle Tracking
  2. River Bifurcations
  3. Spectral Element Method
  4. Turbulent Flow

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  • Extended-abstract
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PEARC '18

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PEARC '18 Paper Acceptance Rate 79 of 123 submissions, 64%;
Overall Acceptance Rate 133 of 202 submissions, 66%

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Cited By

View all
  • (2023)Three-Dimensional Hydrodynamics and Morpho-dynamics at a Tidal River JunctionEstuaries and Coasts10.1007/s12237-023-01299-347:2(376-396)Online publication date: 20-Nov-2023
  • (2019)A scalable Euler–Lagrange approach for multiphase flow simulation on spectral elementsThe International Journal of High Performance Computing Applications10.1177/1094342019867756(109434201986775)Online publication date: 12-Aug-2019
  • (2019)Flow and Suspended Sediment Division at Two Highly Asymmetric Bifurcations in a River Delta: Implications for Channel StabilityJournal of Geophysical Research: Earth Surface10.1029/2018JF004994124:10(2358-2380)Online publication date: 16-Oct-2019

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