Abstract
Due to disturbance in the equilibrium of an alluvial stream in such a manner that there is either a decrease in sediment load carrying capacity of the stream or increase in the rate of sediment loading over the sediment load carrying capacity of the alluvial stream, aggradation in such stream may occur. This paper presents a study dealing with problem of predicting aggradation due to sediment overloading for uniform sediment. The study is carried out to develop soft computing models using Artificial Neural Network (ANN) technique in Agile Neural Network software for predicting various aggradation elements, i.e. Aggradation length (L), maximum aggradation depth (z0) and depth of aggradation (z). The data collected from existing literature for the study were divided into two groups, and simultaneously, training and testing of the models were carried out. To select optimal network architecture, the approach of trial and error is used. After fixing, the number of iteration training of the networks for different activation functions is calculated. The statistical parameters like coefficient of correlation (R), determination coefficient (R2), mean square error (MSE), root mean square error (RMSE), mean absolute error (MAE), etc. are used to examine the performance of the models. The developed ANN models performed satisfactorily and the models were predicting data within ±30% error line.
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Das, A., Kumar, V., Maji, S. (2023). Prediction of Transient Bed Profiles in an Aggrading Stream Using ANN. In: Bhattacharjee, R., Neog, D.R., Mopuri, K.R., Vipparthi, S.K. (eds) Artificial Intelligence and Data Science Based R&D Interventions. NERC 2022. Springer, Singapore. https://doi.org/10.1007/978-981-99-2609-1_9
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