COI code: ICSAU06_0336
Paper Language: English
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Authors Meandering open channel flow roughness coefficient estimation via support vector machineRoghayeh Ghasempour - Department of Civil Engineering, University of Tabriz, Tabriz, Iran
Kiyoumars Roushangar, - Department of Civil Engineering, University of Tabriz, Tabriz, Iran
Hassan sani - Department of Civil Engineering, Hydraulic Structures, University of Tabriz, Tabriz, Iran
Abstract:Natural channels such as rivers serve as a major source of water for drinking, irrigation and industrial uses. Almost all the natural channels meander. Reliable estimation ofdischarge capacity of a natural channel depends on selection of proper value of roughness in terms of Manning’s n. Evaluation of Manning’s n for a meandering channel is a complex procedure because of its dependence on many geometrical, hydraulic and surface parameters of the channel. In this paper the capability of Support Vector Machine (SVM) as a data driven approach was investigated in roughness coefficient estimation in meandering open channels. The results were compared with well-established methods available in the literature and statistical error criteria were used for evaluating the accuracy of the models. The obtained results revealed that the proposed technique performed quite well compared to commonly used formulas. It was deduced that, in practice SVM model can be used as a suitable and effective method to predict the non-linear relationship between roughness coefficient and the nondimensional factors affecting it.
Keywords:Empirical formulas, Meandering open channel, Roughness coefficient, SVM.
COI code: ICSAU06_0336
how to cite to this paper:If you want to refer to this article in your research, you can easily use the following in the resources and references section:
Ghasempour, Roghayeh; Kiyoumars Roushangar, & Hassan sani, 2019, Meandering open channel flow roughness coefficient estimation via support vector machine, 6th. National Congress on civil engineering, architecture and urban development, تهران- دانشگاه علم و صنعت ايران, دبيرخانه دائمي كنگره-دانشگاه ميعاد با همكاري دانشگاه شيراز - دانشگاه مراغه و دانشگاه علم و صنعت ايران, https://www.civilica.com/Paper-ICSAU06-ICSAU06_0336.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Ghasempour, Roghayeh; Kiyoumars Roushangar, & Hassan sani, 2019)
Second and more: (Ghasempour; Roushangar, & sani, 2019)
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The University/Research Center Information:
Type: state university
Paper No.: 17093
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