A high-performance integrated hydrodynamic modelling system for urban flood simulations-Reference-Cited by-同舟云学术

A high-performance integrated hydrodynamic modelling system for urban flood simulations

Published:2015-01-20 Issue:4 Volume:17 Page:518-533
ISSN:1464-7141
Container-title:Journal of Hydroinformatics
language:en
Short-container-title:

Author:

Liang Qiuhua¹²,Smith Luke S.²

Affiliation:

1. State Key Laboratory of Hydrology–Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, China

2. School of Civil Engineering and Geosciences, Newcastle University, Newcastle upon Tyne NE1 7RU, UK

Abstract

A new High-Performance Integrated hydrodynamic Modelling System (Hi-PIMS) is tested for urban flood simulation. The software solves the two-dimensional shallow water equations using a first-order accurate Godunov-type shock-capturing scheme incorporated with the Harten, Lax and van Leer approximate Riemann solver with the contact wave restored (HLLC) for flux evaluation. The benefits of modern graphics processing units are explored to accelerate large-scale high-resolution simulations. In order to test its performance, the tool is applied to predict flood inundation due to rainfall and a point source surface flow in Glasgow, Scotland, and a hypothetical inundation event at different spatial resolutions in Thamesmead, England, caused by embankment failure. Numerical experiments demonstrate potential benefits for high-resolution modelling of urban flood inundation, and a much-improved level of performance without compromising result quality.

Publisher

IWA Publishing

Subject

Atmospheric Science,Geotechnical Engineering and Engineering Geology,Civil and Structural Engineering,Water Science and Technology

Link

http://iwaponline.com/jh/article-pdf/17/4/518/388647/jh0170518.pdf

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