Numerical Simulation of Sand Wave Evolution in Shallow Shelf Seas

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by Attila A. Németh, Ph.D. Candidate; University of Twente, Department of Civil Engineering P.O.BOX 217, 7500 AE Enschede, the Netherlands,,
Suzanne J. M. H. Hulscher, Associate Professor; University of Twente, Department of Civil Engineering,,
Ruud M. J. van Damme, Associate Professor; University of Twente, Faculty of Mathematical Sciences,,

Document Type: Proceeding Paper

Part of: Coastal Dynamics '01:

Abstract: Sand waves form a prominent regular pattern in the offshore seabed of sandy shallow seas. A 2DV morphological numerical model describing the behaviour of these sand waves is under development. The first goal is to make the new numerical model reproduce the results obtained with a linear stability analysis. We start with a constant current after which the behaviour of sand waves is investigated in a tidal environment. Furthermore, calculations using Delft3D have been made to test the general setup of the new numerical model.

Subject Headings: Numerical models | Sand waves | Sand (hydraulic) | Sandy soils | Seas and oceans | Linear analysis | Model tests | Soil properties | Sea floor |

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