Three-dimensional Simulation Of River Flood Flows
Author(s)
H. Morvan, G. Pender & A. Ervine
Abstract
Three-dimensional simulation of river flood
flows
H. Morvan* , G. Fender^ & A. Ervine*
' Department of Civil Engineering,The University of Glasgow, Scotland
* Department of Civil and Offshore Engineering,Heriot-Watt University,
Scotland
Abstract
The velocity field in meandering river channels during overbank flows is fully
three-dimensional. To date, there have been few attempts to simulate this
behaviour using three-dimensional computer models; most investigations have
been experimental or used two-dimensional computer models that assume a
hydrostatic pressure distribution. Fully three-dimensional simulations are
important, as they will improve our understanding of the velocity field and the
role of turbulence in determining this, particularly along the shear layer where
the flood plain and main channel flows interact. This in turn will have practical
implications for our knowledge of the mechanics of channel morphology,
pollutant transport and conveyance capacity. In the
Keywords
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