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Article

Automatic Calibration Module for an Urban Drainage System Model

Department of Civil Engineering and Architecture, Tallinn University of Technology, Ehitajate tee 5, 19086 Tallinn, Estonia
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Academic Editor: Francesco De Paola
Water 2021, 13(10), 1419; https://doi.org/10.3390/w13101419
Received: 13 April 2021 / Revised: 13 May 2021 / Accepted: 17 May 2021 / Published: 19 May 2021
(This article belongs to the Special Issue Urban Drainage Systems in Smart Cities)
The purpose of the study was to present an automated module for the calibration of urban drainage system models. A prepared tool based on the Open Water Analytics toolkit included 12 additional calibration parameters as compared to the existing similar solutions. The module included a gradient optimization method that allowed adjustment of up to five parameters simultaneously, and a trial-and-error method that provided the possibility of testing one or two parameters. The user interface was built in MS Excel to simplify use of the developed tool. The user can select preferable parameters for calibration, choose the optimization method, and determine the limits for the calculated values. The performance and functionality of the automatic calibration module was tested in two scenarios using the drainage model of a 10 ha heavily developed area in Tallinn, Estonia. The calibration results revealed that the maximum deviation between the modelled and measured flow rates was less than 5% for both cases. This is a reasonably good fit for drainage models, which typically encounter numerous uncertainties. Therefore, it was concluded that the module can be successfully used for calibrating hydraulic models created in SWMM5. View Full-Text
Keywords: calibration; urban drainage system modelling; SWMM5; optimization calibration; urban drainage system modelling; SWMM5; optimization
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MDPI and ACS Style

Annus, I.; Vassiljev, A.; Kändler, N.; Kaur, K. Automatic Calibration Module for an Urban Drainage System Model. Water 2021, 13, 1419. https://doi.org/10.3390/w13101419

AMA Style

Annus I, Vassiljev A, Kändler N, Kaur K. Automatic Calibration Module for an Urban Drainage System Model. Water. 2021; 13(10):1419. https://doi.org/10.3390/w13101419

Chicago/Turabian Style

Annus, Ivar, Anatoli Vassiljev, Nils Kändler, and Katrin Kaur. 2021. "Automatic Calibration Module for an Urban Drainage System Model" Water 13, no. 10: 1419. https://doi.org/10.3390/w13101419

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