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2020年 第14卷 第6期

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《结构与土木工程前沿（英文）》 >> 2020年 第14卷 第6期 doi: 10.1007/s11709-020-0664-x

A novel ensemble model for predicting the performance of a novel vertical slot fishway

. Department of Water and Environmental Engineering, School of Civil Engineering, Iran University of Science and Technology, Tehran 1684613114, Iran.. Department of Water and Environmental Engineering, School of Civil Engineering, Semnan University, Semnan 35131-19111, Iran.. Department of Water and Environmental Engineering, School of Civil Engineering, Islamic Azad University Central Tehran Branch, Tehran 1987745815, Iran.. School of Progress Engineering, Iran University of Science and Technology, Tehran 1684613114, Iran

收稿日期： 2020-11-13 录用日期： 2020-12-30 发布日期： 2020-12-30
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We investigate the performance of a novel vertical slot fishway by employing finite volume and surrogate models. Multiple linear regression, multiple log equation regression, gene expression programming, and combinations of these models are employed to predict the maximum turbulence, maximum velocity, resting area, and water depth of the middle pool in the fishway. The statistical parameters and error terms, including the coefficient of determination, root mean square error, normalized square error, maximum positive and negative errors, and mean absolute percentage error were employed to evaluate and compare the accuracy of the models. We also conducted a parametric study. The independent variables include the opening between baffles ( ), the ratio of the length of the large and small baffles, the volume flow rate, and the angle of the large baffle. The results show that the key parameters of the maximum turbulence and velocity are the volume flow rate and .

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