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1 March 2016 Numerical Simulations of Flow Patterns and Possible Implications for Deposition around Circular Patches of Vegetation
Hyung Suk Kim, Junwoo Choi, Moonhyeong Park
Author Affiliations +
Abstract

Kim, H. S.; Choi, J., and Park, M., 2016. Numerical simulations of flow patterns and possible implications for deposition around circular patches of vegetation. In: Vila-Concejo, A.; Bruce, E.; Kennedy, D.M., and McCarroll, R.J. (eds.), Proceedings of the 14th International Coastal Symposium (Sydney, Australia). Journal of Coastal Research, Special Issue, No. 75, pp. 1367 - 1371. Coconut Creek (Florida), ISSN 0749-0208.

This study presents flow patterns and possible deposition around circular patches of vegetation using a two-dimensional numerical model. Because flow can pass through the patch, the formation of the von-Karman vortex street is delayed and its position moves further downstream as solid volume fraction (SVF) increases. The vortex downstream of the patch is formed as SVF≥0.08. When the two patches are very close to each other, a single vortex street is formed. As the distance between two patches is large, the effect of the interaction is weak and the vortex is developed behind individual patches. The possible deposition region is associated with SVF and configuration of the patches and thus it can provide the process on bed morphodynamics with vegetation.

©Coastal Education and Research Foundation, Inc. 2016
Hyung Suk Kim, Junwoo Choi, and Moonhyeong Park "Numerical Simulations of Flow Patterns and Possible Implications for Deposition around Circular Patches of Vegetation," Journal of Coastal Research 75(sp1), 1367-1371, (1 March 2016). https://doi.org/10.2112/SI75-274.1
Received: 15 October 2015; Accepted: 15 January 2015; Published: 1 March 2016
KEYWORDS
Deposition
numerical model
Patch of vegetation
Vortex street
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