Method for the identification of explicit polynomial formulae for the friction in turbulent pipe flow

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@Article{davidson:1999:miepfftpf,

• author = "J. W. Davidson and D. A. Savic and G. A. Walters",
• title = "Method for the identification of explicit polynomial formulae for the friction in turbulent pipe flow",
• journal = "Journal of Hydroinformatics",
• year = "1999",
• volume = "1",
• number = "2",
• pages = "115--126",
• month = oct,
• keywords = "genetic algorithms, genetic programming, least squares, polynomial expressions, symbolic algebra, symbolic regression",
• ISSN = "1464-7141",
• URL = "http://www.iwaponline.com/jh/001/0115/0010115.pdf",
• DOI = "doi:10.2166/hydro.1999.0010",
• size = "12 pages",
• abstract = "The paper describes a new regression method for creating polynomial models. The method combines numerical and symbolic regression. Genetic programming finds the form of polynomial expressions, and least squares optimisation finds the values for the constants in the expressions. The incorporation of least squares optimization within symbolic regression is made possible by a rule-based component that algebraically transforms expressions to equivalent forms that are suitable for least squares optimisation. The paper describes new operators of crossover and mutation that improve performance, and a new method for creating starting solutions that avoids the problem of under-determined functions. An example application demonstrates the trade-off between model complexity and accuracy of a set of approximator functions created for the Colebrook-White formula.",
• notes = "Improving on Ephemeral random constants",

}

Genetic Programming entries for J W Davidson Dragan Savic Godfrey A Walters

Citations