OPTIMIZATION OF DESIGN OF TERMINAL FLOW INTERCEPTION AND STORAGE FACILITIES OF COMBINED DRAINAGE SYSTEM BASED ON NSGA-Ⅲ ALGORITHM

PENG Zhouyang; JIN Xi; SANG Wenjiao

doi:10.13205/j.hjgc.202208020

Volume 40 Issue 8

Nov. 2022

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2022 > 40(8): 143-149

PENG Zhouyang, JIN Xi, SANG Wenjiao. OPTIMIZATION OF DESIGN OF TERMINAL FLOW INTERCEPTION AND STORAGE FACILITIES OF COMBINED DRAINAGE SYSTEM BASED ON NSGA-Ⅲ ALGORITHM[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(8): 143-149. doi: 10.13205/j.hjgc.202208020

Citation:

PENG Zhouyang, JIN Xi, SANG Wenjiao. OPTIMIZATION OF DESIGN OF TERMINAL FLOW INTERCEPTION AND STORAGE FACILITIES OF COMBINED DRAINAGE SYSTEM BASED ON NSGA-Ⅲ ALGORITHM[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(8): 143-149. doi: 10.13205/j.hjgc.202208020

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OPTIMIZATION OF DESIGN OF TERMINAL FLOW INTERCEPTION AND STORAGE FACILITIES OF COMBINED DRAINAGE SYSTEM BASED ON NSGA-Ⅲ ALGORITHM

doi: 10.13205/j.hjgc.202208020

School of Civil Engineering and Architecture, Wuhan University of Technology, Wuhan 430070, China

Received Date: 2021-09-07
Publish Date: 2022-11-08

Abstract

Abstract

The interception facility is an important and frequently-used measure for combined sewer overflows (CSOs) control in city-scale drainage systems. By combining the stormwater management model (SWMM) with the multi-objective genetic algorithm (NSGA-Ⅲ), the optimal design problems of interception and storage facilities were solved. The method took the interception efficiency, construction cost, and the number of pump startup/shutoff times as the optimization objectives of the model, and achieved multi-objective optimization of the interception and storage facility scale. Through object-oriented recoding of SWMM, multi-threaded calculation and fast data exchange between SWMM and NSGA-Ⅲ modules were realized, frequent file operations were avoided, and the solution efficiency was increased to 16 times that of single-threaded calculation. The method was used to optimize the design of terminal flow interception and storage facilities for a combined drainage system in Wuhan. The results indicated the construction cost of the optimized design was reduced to 60% of the original design, and it had more advantages in the aspects of interception efficiency and storage pool volume.
- drainage network,
- overflow pollution control,
- design optimization,
- SWMM,
- NSGA-Ⅲ

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References(15)

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