Reference : Modelling flood events using high resolution digital elevation models and considering th...

	Document type :	Scientific congresses and symposiums : Paper published in a book
	Discipline(s) :	Engineering, computing & technology : Civil engineering
	To cite this reference:	http://hdl.handle.net/2268/2633

Title :	Modelling flood events using high resolution digital elevation models and considering the sediment interaction with constructions in floodplains
Language :	English
Author, co-author :	Archambeau, Pierre [Université de Liège - ULg > Département Argenco : Secteur MS2F > Hydrodynamique appl. et constructions hydrauliques (HACH) >]
	Erpicum, Sébastien [Université de Liège - ULg > Département Argenco : Secteur MS2F > Hydraulique génér., const. hydraul. et méc. des fluides >]
	Dewals, Benjamin [Université de Liège - ULg > Département Argenco : Secteur MS2F > Hydrodynamique appl. et constructions hydrauliques (HACH) >]
	Detrembleur, Sylvain [Université de Liège - ULg > Département Argenco : Secteur MS2F > Hydrodynamique appl. et constructions hydrauliques (HACH) >]
	Pirotton, Michel [Université de Liège - ULg > Département Argenco : Secteur MS2F > Hydrodynamique appl. et constructions hydrauliques (HACH) >]
Publication date :	2006
Main document title :	Proceedings of the 7th International Conference on Hydroinformatics
Audience :	International
Event name :	7th International Conference on Hydroinformatics
Event place (city) :	Nice
Event country :	France
Abstract :	[en] The main objective of the present paper is a description of two effective numerical 2D models to be used as strategic tools in the process of flood risks assessment and mitigation. The first one is a model for hydrodynamics simplified according to the diffusive assumption while the second one is a complete model based on the shallow water equations. Each of them is solved with an efficient numerical technique (including implicit time integration schemes and GMRES linear solvers) maximizing the convergence rate towards a steady state. A practical case study, for which a high resolution Digital Elevation Model exists, will be presented. The study shows the consequences on structures of a new construction in the floodplain in terms of inundation and erosion.
Research units :	Aquapôle - AQUAPOLE
Funders :	Fonds de la Recherche Scientifique (Communauté française de Belgique) - F.R.S.-FNRS
Target :	Researchers
Permalink :	http://hdl.handle.net/2268/2633

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