Volume 25, Issue 4 (Winiter 2022)
jwss 2022, 25(4): 253-266 |
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Pourabdollah N, Abedi Koupai J, Heidarpour M, Akbari M. Evaluation of ANFIS and ANFIS-PSO Models for Estimating Hydraulic Jump Characteristics. jwss 2022; 25 (4) :253-266
URL: http://jstnar.iut.ac.ir/article-1-4136-en.html
URL: http://jstnar.iut.ac.ir/article-1-4136-en.html
Arak University , m-akbarii@araku.ac.ir
Abstract: (2220 Views)
In this study accuracy of the ANFIS and ANFIS-PSO models to estimate hydraulic jump characteristics including sequence depth ratio, the jump length, the roller length ratio, and relative energy loss was evaluated in stilling basin versus laboratory results. The mentioned characteristics were measured in the stilling basin with a rectangular cross-section with four different adverse slopes, four diameters of bed roughness, four heights of positive step, three Froude numbers, and four discharges. The average statistical parameters of NRMSE, CRM, and R2 for estimating hydraulic jump characteristics with the ANFIS model were 0.059, -0.001, and 0.989, respectively. While, the mean values of these parameters for the ANFIS-PSO model were 0.185, 0.002, and 0.957, respectively. The results indicated that these models were capable of estimating hydraulic jump parameters with high accuracy. However, the ANFIS model was moderately more accurate than the ANFIS-PSO model to estimate the sequence depth ratio, the jump length, the roller length ratio, and relative energy loss.
Type of Study: Research |
Subject:
Ggeneral
Received: 2021/02/17 | Accepted: 2021/05/15 | Published: 2022/03/1
Received: 2021/02/17 | Accepted: 2021/05/15 | Published: 2022/03/1
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