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A critical reflection of computational fluid dynamics applications to fluvial sedimentary systems

Cao, Z. and Carling, P.A., (2002) A critical reflection of computational fluid dynamics applications to fluvial sedimentary systems Dyer, Fiona J., Thoms, Martin C. and Olley, Jon M. (eds.) In The Structure, Function and Management Implications of Fluvial Sedimentary Systems (Proceedings and Reports). IAHS Press., pp. 463-470.

Record type: Conference or Workshop Item (Paper)


A variety of computational fluid dynamics models for fluvial flow, sediment transport and morphological evolution have been developed and are in widespread use. Yet their quality remains unclear due to poor assumptions in model formulations, implementation of sediment functions of uncertain validity, and problematic use of model calibration and verification as assertions of model veracity. This paper presents a critical reflection of computational river models. It is argued that model calibration can be subjective, verification is impossible and validation does not necessarily establish model truth. It is suggested that computational river models remain premature, and high level expertise, physical insight and experience are vital for meaningful solutions to be acquired and for limitations to be properly assessed.

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Published date: 2002
Venue - Dates: International Symposium, 2002-09-01 - 2002-09-01
Keywords: fluvial process, sedimentary system, sediment transport, fluvial morphology, computational fluid dynamics, mathematical modelling, river engineering, fluvial hydraulics


Local EPrints ID: 15357
ISBN: 1901502961
PURE UUID: 452fa90d-0d17-49c9-94fc-93dc3a4b0861

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Date deposited: 19 Apr 2005
Last modified: 17 Jul 2017 16:49

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Author: Z. Cao
Author: P.A. Carling
Editor: Fiona J. Dyer
Editor: Martin C. Thoms
Editor: Jon M. Olley

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