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Lookup NU author(s): Dr Luke Smith, Professor Qiuhua Liang, Dr Paul Quinn
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We present a new hydrodynamic modelling framework capable of fully exploiting modern graphics and central processing units (GPUs and CPUs) from any of the mainstream vendors. A finite-volume Godunov-type scheme is combined with the HLLC Riemann solver to create a robust numerical model which correctly addresses wetting and drying and transient flow conditions, and is suitable for application to a wide range of flood simulations. Results are presented from a three day flood event in Carlisle during 2005, at resolutions from 25m to 2m. Run-times are significantly reduced without compromising numerical accuracy. Excellent agreement is found between the simulation results and a comprehensive post-event survey. Changes in sensitivity to Manning’s n are examined at different resolutions, with floodplain calibration found to make very little impact with high-resolution grids.
Author(s): Smith LS, Liang Q, Quinn PF
Editor(s): Butler, D., Chen, A.S., Djordjević, S., Hammond, M.J.
Publication type: Conference Proceedings (inc. Abstract)
Publication status: Published
Conference Name: International Conference on Flood Resilience: Experiences in Asia and Europe
Year of Conference: 2013
Pages: 217-218
Publisher: Centre for Water Systems, University of Exeter
Library holdings: Search Newcastle University Library for this item
ISBN: 9780953914098
