Investigation of the flow behaviour and local scour around single square-shaped cylinders at different positions in live-bed

Bordbar, A. T.; Sharifi, Soroosh; Hemida, Hassan

doi:10.1016/j.oceaneng.2021.109772

Cited by 22 publications

(2 citation statements)

References 39 publications

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“…Inc., 2014). Some recent studies in numerical modelling of scouring can be found in the works of Bordbar et al (2021), and Bordbar et al (2022a), and Bordbar et al (2022b. Nevertheless, close monitoring will be essential, and whenever required a scour counter-measure method has to be considered (Elahee and Jugoo, 2013).…”

Section: Onshore Wtebs Constructionmentioning

confidence: 99%

Waterbodies thermal energy based systems interactions with marine environment — A review

et al. 2023

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Section: Onshore Wtebs Constructionmentioning

confidence: 99%

Waterbodies thermal energy based systems interactions with marine environment — A review

et al. 2023

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“…Flow field and local scour around circular bridge piers have been extensively researched computationally and experimentally during the last few decades. Latest and significant research in this category include several previous reports (Khan et al 2017;Qi et al 2019;Nagel et al 2020;Pandey et al 2020a;Bordbar et al 2021;Jain et al 2021;Malik et al 2021). Furthermore, several investigations on a set of piers have been also conducted by researchers, such as the work of Sumner et al (1999) who used flow visualisation, particle image velocimetry (PIV) and hot-film anemometry to explore the flow field for two and three circular cylinders positioned side by side, with the centre-to-centre pitch ratio expanding.…”

Section: Introductionmentioning

confidence: 99%

Estimation of local scour depth around twin piers using gene expression programming (local scour around twin piers)

Devi

Kumar

2022

Water Supply

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The scour around the bridge piers has been estimated using conventional empirical formulae; however, these formulas are unable to predict the scour depth precisely. The present study is conducted in two parts (a) experimental investigation for evaluating the behaviour of local scour around twin piers positioned in the transverse direction of flow and (b) an empirical equation to estimating scour depth is proposed utilising new evolutionary Artificial Intelligence technique Gene Expression Programming (GEP). Experimental results of the present study demonstrate the influence of the rate of flow and clear spacing between the piers on the scour depth. Additionally the results of the soft computing technique GEP during testing and training of proposed modelling, fitness function Root Mean Square Error is observed as 0.00133 and 0.00113, with the coefficient of determination as 0.950 and 0.955, respectively. Furthermore, in order to find out the role of each variable for scour depth sensitivity analysis has been conducted. The findings of the sensitivity analysis show that the pier spacing and rate of flow play the most significant role in scour depth estimation. Results of this study demonstrate good agreement with the proposed GEP model and conclude that it is a better approach for forecasting scour depth.

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Experimental Study of Submergence Ratio on Local Scour Around a Square Pile in Steady Flow

Liang

et al. 2023

J. Ocean Univ. China

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Investigation of the flow behaviour and local scour around single square-shaped cylinders at different positions in live-bed

Cited by 22 publications

References 39 publications

Waterbodies thermal energy based systems interactions with marine environment — A review

Waterbodies thermal energy based systems interactions with marine environment — A review

Estimation of local scour depth around twin piers using gene expression programming (local scour around twin piers)

Experimental Study of Submergence Ratio on Local Scour Around a Square Pile in Steady Flow

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