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Influence of urban patterns on flooding
Bruwier, Martin; Mustafa, Ahmed; Aliaga, Daniel et al.
2017In Proceedings of the 37th IAHR World Congress
Peer reviewed
 

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Keywords :
Urbanization; Porosity model; Urban inundation modelling; Urban planning
Abstract :
[en] The goal of this paper is to identify the respective influence of different characteristics of urban patterns on urban flooding. A set of 2,290 alternate urban patterns was generated randomly using an urban generator tool providing the geometry of buildings and their relative location to the ground, over a square area of 1 km². Steady 2-D hydraulic computations were performed for these 2,290 different urban patterns with identical hydraulic boundary conditions. The computational time was reduced by using an anisotropic porosity model. This model uses relatively coarse computational cells; but preserves information from the detailed topographic data through the use of porosity parameters. Based on the computed maps of waterdepths for the 2,290 urban patterns, a sensitivity analysis based on a multiple linear regression was performed to outline the most influential urban characteristics.
Disciplines :
Civil engineering
Author, co-author :
Bruwier, Martin ;  Université de Liège > Département ArGEnCo > Hydraulics in Environmental and Civil Engineering
Mustafa, Ahmed;  Université de Liège - ULiège > Department UEE > Local Environment Management and Analysis (LEMA)
Aliaga, Daniel;  Purdue University - Purdue > Computer Science Department
Erpicum, Sébastien  ;  Université de Liège > Scientifiques attachés au Doyen (Sc.appliquées)
Archambeau, Pierre  ;  Université de Liège > Département ArGEnCo > HECE (Hydraulics in Environnemental and Civil Engineering)
Nishida, Gen;  Purdue University - Purdue > Computer Science Department
Zhang, Xiaowei;  Purdue University - Purdue > Computer Science Department
Pirotton, Michel ;  Université de Liège > Département ArGEnCo > HECE (Hydraulics in Environnemental and Civil Engineering)
Teller, Jacques  ;  Université de Liège > Département ArGEnCo > Urbanisme et aménagement du territoire
Dewals, Benjamin  ;  Université de Liège > Département ArGEnCo > Hydraulics in Environmental and Civil Engineering
Language :
English
Title :
Influence of urban patterns on flooding
Publication date :
August 2017
Event name :
37th IAHR World Congress
Event place :
Kuala Lumpur, Malaysia
Event date :
du 13 aout 2017 au 18 aout 2017
Audience :
International
Main work title :
Proceedings of the 37th IAHR World Congress
Pages :
2039-2047
Peer reviewed :
Peer reviewed
Name of the research project :
ARC - Floodland
Funders :
ARC grant for Concerted Research Actions, financed by the Wallonia-Brussels Federation
Available on ORBi :
since 22 February 2017

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