References of "Erpicum, Sébastien"
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See detailHighly Transient Mixed Flows with Air/Water Interactions: Homogeneous Equilibrium Model and Friction Correlations
Kerger, François ULg; Archambeau, Pierre ULg; Erpicum, Sébastien ULg et al

in Proceedings of the 8th National Congress on Theoretical and Applied Mechanics (2009, May)

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See detailHydrodynamic forces acting on vertically translating bodies in free surface water
Kerger, François ULg; Detrembleur, Sylvain ULg; Archambeau, Pierre ULg et al

in WIT Transactions on The Built Environment, Vol 105, Fluid Structure Interaction V (2009, May)

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See detailExperimental investigation of flow and deposit patterns in rectangular shallow reservoirs: preliminary analysis
Dufresne, Matthieu ULg; Dewals, Benjamin ULg; Erpicum, Sébastien ULg et al

in Proceedings International Workshop on Environmental Hydraulics: Theoretical, Experimental and Computational Solutions (2009)

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See detailFrom Hydrology to Detailed Risk Analysis, a Consistent Micro-Scale Approach
Paulus, Raphaël ULg; Detrembleur, Sylvain ULg; Ernst, Julien et al

Speech/Talk (2009)

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See detailModélisation hydrologique à grande échelle des zones imperméables égouttées
Khuat Duy, Bruno; Archambeau, Pierre ULg; Erpicum, Sébastien ULg et al

in Houille Blanche (2009), (5), 167-173

En hydrologie, la manière de prendre en compte les zones urbaines diffère sensiblement selon les dimensions des bassins et la résolution temporelle des événements pluvieux étudiés. A petite échelle, les ... [more ▼]

En hydrologie, la manière de prendre en compte les zones urbaines diffère sensiblement selon les dimensions des bassins et la résolution temporelle des événements pluvieux étudiés. A petite échelle, les zones urbaines peuvent être modélisées grâce à une description détaillée des divers écoulements existants. En particulier, le réseau d’égouttage peut être décrit explicitement. A grande échelle cependant, les zones urbaines sont souvent représentées par des approches moins détaillées. Les modèles actuels prennent généralement en compte les surfaces imperméables par une adaptation des coefficients de ruissellement ou d’infiltration. Cette approche permet de générer des volumes de ruissellement corrects, mais ne permet pas de tenir compte de la modification de la dynamique de transfert des apports liée à la présence de réseaux d’égouttage. Une méthode de modélisation particulière a donc été développée pour tenir compte de ces éléments dans un modèle hydrologique global (WOLF), en quantifiant de façon précise les apports des surfaces imperméables grâce à des données d’occupation du sol en format vectoriel et en les propageant sans devoir implémenter l’entièreté du réseau d’égouttage. Ces développements ont alors été appliqués avec succès sur le bassin de la Berwinne, en Belgique. [less ▲]

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See detailDetailed 2D hydraulic modelling as a support for selecting adaptation measures
Ernst, Julien ULg; Dewals, Benjamin ULg; Detrembleur, Sylvain ULg et al

in Schüttrumpf, Holger (Ed.) Wasserwirtschaft und Klimawandel - Fakten, Folgen und Aufgaben (2009)

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See detailExperimental and numerical investigations of dike-break induced flows
Roger, Sebastian; Dewals, Benjamin ULg; Erpicum, Sébastien ULg et al

in Journal of Hydraulic Research (2009), 47(3), 349-359

Experimental model data are compared with numerical computations of dike-break induced flows, focusing on the final steady state. An idealised scale model was designed reproducing the specific boundary ... [more ▼]

Experimental model data are compared with numerical computations of dike-break induced flows, focusing on the final steady state. An idealised scale model was designed reproducing the specific boundary conditions of dike breaks. Discharges, water levels and depth profiles of horizontal velocities were recorded and validated by numerical modeling. The latter was performed by two different models solving the two-dimensional depth-averaged shallow water equations, namely a total variation diminishing Runge-Kutta dis¬continuous Galerkin finite element method, and a finite volume scheme involving a flux vector splitting ap¬proach. The results confirmed convergence and general applicability of both methods for dike-break prob¬lems. As regards their accuracy, the basic flow pattern was satisfactorily reproduced yet with differences compared to the measurements. Hence, additional simulations by a finite volume model were performed con¬sidering various turbulence closures, wall-roughnesses as well as non-uniform Boussinesq coefficients. [less ▲]

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See detailA 2D vertical finite volume solver using a level set approach for simulating free surface incompressible flows
Detrembleur, Sylvain ULg; Dewals, Benjamin ULg; Erpicum, Sébastien ULg et al

in European Journal of Mechanical and Environmental Engineering (2009), 2009(3), 4-9

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See detailModélisation numérique 2D unifiée des écoulements dans une retenue, sur l’évacuateur de crue et en aval
Dewals, Benjamin ULg; Erpicum, Sébastien ULg; Archambeau, Pierre ULg et al

in Actes du Colloque Dimensionnement et Fonctionnement des Evacuateurs de crues (2009)

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See detailFlushing operations with limited sediment availability
Dewals, Benjamin ULg; Brasseur, Nicolas; Erpicum, Sébastien ULg et al

in Proc. 33rd IAHR Congress: Water Engineering for a Sustainable Environment (2009)

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See detailComputational Hemodynamics Coupled with Mechanical Behaviour of the Surrounded Materials, in the Specific Case of the Brachial Artery
Paulus, Raphaël ULg; Erpicum, Sébastien ULg; Dewals, Benjamin ULg et al

in Proceedings of Biomed 2009 - Eighth International Conference on Modelling in Medicine and Biology (2009)

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See detailContinuous formulation for bottom friction in free surface flows modelling
Machiels, Olivier ULg; Erpicum, Sébastien ULg; Archambeau, Pierre ULg et al

in River Basin Management V (2009)

Bottom friction modelling is an important step in river flows computation with 1D or 2D solvers. It is usually performed using empirical laws established for uniform flow conditions or a modern approach ... [more ▼]

Bottom friction modelling is an important step in river flows computation with 1D or 2D solvers. It is usually performed using empirical laws established for uniform flow conditions or a modern approach based on turbulence analysis. Following the definition of the flow validity field of the main friction laws proposed in the literature, an original continuous formulation has been developed. It is suited to model river flows with a wide range of properties (water depth, discharge, roughness…). The efficiency of this new formulation, theoretically established and numerically adjusted, is demonstrated through various practical applications. [less ▲]

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See detailEtude sur modèle physique des capacités hydrauliques de l’évacuateur de crues du barrage de la Petite Rhue (Cantal - 15)
Erpicum, Sébastien ULg; Dewals, Benjamin ULg; Pirotton, Michel ULg et al

in Actes du Colloque Dimensionnement et Fonctionnement des Evacuateurs de crues (2009)

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See detailApproches numériques et expérimentales en appui à la gestion durable des sédiments
Dewals, Benjamin ULg; Erpicum, Sébastien ULg; Archambeau, Pierre ULg et al

in Proc. Morphodynamique et gestion des sédiments dans les estuaires, les baies et les deltas (2009)

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See detailDam-break flow numerical modeling considering structural impacts on buildings
Erpicum, Sébastien ULg; Archambeau, Pierre ULg; Dewals, Benjamin ULg et al

in Proc. 33rd IAHR Congress: Water Engineering for a Sustainable Environment (2009)

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See detailAnalyse expérimentale du fonctionnement hydraulique des déversoirs en touches de piano
Machiels, Olivier ULg; Erpicum, Sébastien ULg; Archambeau, Pierre ULg et al

in Actes du Colloque Dimensionnement et Fonctionnement des Evacuateurs de crues (2009)

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See detailBottom friction formulations for free surface flow modeling
Machiels, Olivier ULg; Erpicum, Sébastien ULg; Archambeau, Pierre ULg et al

in 8th NCTAM Congress (2009)

Bottom friction modeling is an important step in river flows computation with 1D or 2D solvers. It is usually performed using empirical laws established for uniform flow conditions or a modern approach ... [more ▼]

Bottom friction modeling is an important step in river flows computation with 1D or 2D solvers. It is usually performed using empirical laws established for uniform flow conditions or a modern approach based on turbulence analysis. Following the definition of the flow validity field of the main friction laws proposed in the iterature, an original continuous formulation has been developed. It is suited to model river flows with a high variability of properties (water depth, discharge, roughness…). The efficiency of this new formulation, theoretically established and numerically adjusted, is demonstrated through various practical applications. [less ▲]

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See detailLarge scale experimental study of piano key weirs
Machiels, Olivier ULg; Erpicum, Sébastien ULg; Archambeau, Pierre ULg et al

in Proc. 33rd IAHR Congress: Water Engineering for a Sustainable Environment (2009)

Piano Key Weirs (PKW) are a new type of weir, showing very good flood release capacities as well as strong economic and structural benefits. However, lacks of understanding persist about the flow ... [more ▼]

Piano Key Weirs (PKW) are a new type of weir, showing very good flood release capacities as well as strong economic and structural benefits. However, lacks of understanding persist about the flow conditions on such structures. With the goal to fill some of these lacks, a combined experimental and numerical study has been undertaken at the Laboratory of Structures Hydraulics of the University of Liege. This paper presents the goals and the scientific strategy of this research. The first results of experiments being carried out on a large physical model of PKW are also depicted. These experiments lead to characterization of the flow behavior for low heads and enable to highlight the influence of the crest thickness and the outlet slope on the release capacity. [less ▲]

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