RETRACTED ARTICLE: Adaptive neuro-fuzzy prediction of the optimum parameters of protective spur dike
- PDF / 1,175,831 Bytes
- 11 Pages / 439.37 x 666.142 pts Page_size
- 2 Downloads / 169 Views
Adaptive neuro-fuzzy prediction of the optimum parameters of protective spur dike Hossein Basser • Shahaboddin Shamshirband • Dalibor Petkovic´ Hojat Karami • Shatirah Akib • Afshin Jahangirzadeh
•
Received: 2 March 2014 / Accepted: 12 March 2014 Ó Springer Science+Business Media Dordrecht 2014
Abstract This study proposes a new approach for determining the optimum dimensions of a protective spur dike to mitigate the amount of scour around existing spur dikes. Several parameters of a protective spur dike were studied to determine their optimum values, including length, angle, and distance. Also the effect of changes of flow intensity and sediment size were examined. The main objective of this article was to predict the optimum values of protective spur dikes to attain the best performance. To predict the parameters of protective spur dikes for controlling the scour around spur dikes, we used the adaptive neuro-fuzzy inference system method to construct a process that simulates the optimal parameters of a protective spur dike, including the actual length of the protective spur dike, the actual length of the main spur dikes, the distance between the protective spur dike and the first spur dike, the angle between the protective spur dike and the direction of flow, the intensity of the flow, and median size of the bed sediments. This intelligent estimator was implemented using MATLAB/Simulink, and the performances were investigated. The simulation results presented in this paper show the effectiveness of the developed method.
H. Basser S. Akib A. Jahangirzadeh Department of Civil Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia S. Shamshirband (&) Department of Computer System and Technology, Faculty of Computer Science and Information Technology, University of Malaya, 50603 Kuala Lumpur, Malaysia e-mail: [email protected] S. Shamshirband Chalous Branch, Department of Computer Science, Islamic Azad University (IAU), P.O. Box 46615-397, Chalous, Iran D. Petkovic´ Department for Mechatronics and Control, Faculty of Mechanical Engineering, University of Nisˇ, Aleksandra Medvedeva 14, 18000 Nis, Serbia H. Karami Department of Civil Engineering, Semnan University, Semnan, Iran
123
Nat Hazards
Keywords
Scour Protective spur dike Neuro-fuzzy ANFIS
1 Introduction One of the common and economic methods for preventing scour and erosion in rivers and canals is the use of an indirect technique known as spur dikes. It is usually preferable to build spur dikes in groups, and they may be constructed at a specified angle relative to the bank. These structures lead to a considerable reduction in the flow velocity near banks, creating an area in the water in which there is less motion. This influences deposition and results in a reduction in the width of the channel, thereby creating a defined channel. Construction of a spur in the flow path causes changes in hydrostatic pressure upstream and downstream of the structure, and this causes a complicated vortex area. These complicated vortex areas
Data Loading...
