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Paper Information

Journal:   WATER AND SOIL SCIENCE (AGRICULTURAL SCIENCE)   SUMMER 2012 , Volume 22 , Number 2; Page(s) 79 To 94.
 
Paper: 

EFFECTS OF SOLUTION TECHNIQUES OF EQUATIONS AND FRICTION FACTOR ON SIMULATION OF OPEN CHANNEL FLOW WITH ERODIBLE BED

 
 
Author(s):  HASANZADEH Y., KEYNEJAD M.A., AALAMI M.T., FARSADIZADEH D., ROUSHANGAR K.*
 
* DEPT. OF WATER ENGIN., FACULTY OF CIVIL, ENGIN., UNIV. OF TABRIZ, IRAN
 
Abstract: 

In this research a numerical model has been presented which simulates the 1-D open channel flow over an erodible bed. For calibration and improving the model, solution procedure of the governing equations has been investigated. Comparison of the model results with the experimental data shows that the simultaneous solution procedure of the complete governing equations decreases the computational errors and improves the simulated results. Due to complexity and uncertainly in determining the friction factor of alluvial channels, an optimization technique and the proposed model have been coupled to dynamically identify the Manning roughness parameter by using the experimental data. The study shows that application of the optimized roughness coefficient increases the accuracy of flow simulation over an erodible bed.

 
Keyword(s): ALLUVIAL CHANNEL, CALIBRATION, ROUGHNESS COEFFICIENT, SIMULATION
 
References: 
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