An Investigation of a Straight Channel Assumption for Meandering Channels

  1. Lookup NU author(s)
  2. Dr Kutsi Erduran
  3. Dr Vedrana Kutija
  4. Dr Caspar Hewett
Author(s)Erduran KS, Kutija V, Hewett CJM
Editor(s)Cortezón JAR; de Jesús Soriano Pérez T
Publication type Conference Proceedings (inc. Abstract)
Conference NameHydroinformatics 2000
Conference LocationCedar Rapids, Iowa, USA
Year of Conference2000
Legacy Date23-27 August 2000
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For most finite difference models of unsteady river flows, a straight channel assumption is required due to the fact that these models solve one dimensional flow equations. In this paper, an investigation of the validity of this assumption has been carried out for a number of conditions with different channel curvatures and flow types. Two dimensional unsteady first and second order accurate models based on the finite volume method with the Osher scheme are used for the simulation of flow in straight, slightly and moderately meandering channels.
PublisherIowa Institute of Hydraulic Research