227 citations · 589 across the 17 of their papers we have counts for
17 papers
Simulating coliform transport and decay from 3D hydrodynamics model and in situ observation in Nice area
Rémi Dumasdelage, Olivier Delestre
In coastal area, raw wastewater can be directly discharged in the sea during extreme rain events or failure of the sewage network. The highly urbanized and touristic area of Nice i…
Low-Shapiro hydrostatic reconstruction technique for blood flow simulation in large arteries with varying geometrical and mechanical properties
A. R. Ghigo, O. Delestre, J. -M. Fullana +1
The purpose of this work is to construct a simple, efficient and accurate well-balanced numerical scheme for one-dimensional (1D) blood flow in large arteries with varying geometri…
Well-balanced finite difference WENO schemes for the blood flow model
Zhenzhen Wang, Gang Li, Olivier Delestre
The blood flow model maintains the steady state solutions, in which the flux gradients are non-zero but exactly balanced by the source term. In this paper, we design high order fin…
Global Sensitivity Analysis with 2D Hydraulic Codes: Application on Uncertainties Related to High-Resolution Topographic Data
M Abily, O Delestre, P Gourbesville +3
Technologies such as aerial photogrammetry allow production of 3D topographic data including complex environments such as urban areas. Therefore, it is possible to create High Reso…
Global sensitivity analysis with 2d hydraulic codes: applied protocol and practical tool
M Abily, N Bertrand, O Delestre +3
Global Sensitivity Analysis (GSA) methods are useful tools to rank input parameters uncertainties regarding their impact on result variability. In practice, such type of approach i…
Use of 3D classified topographic data with FullSWOF for high resolution simulation of a river flood event over a dense urban area
Morgan Abily, Olivier Delestre, Laura Amossé +4
High resolution (infra-metric) topographic data, including photogram-metric born 3D classified data, are becoming commonly available at large range of spatial extend, such as munic…
Spatial Global Sensitivity Analysis of High Resolution classified topographic data use in 2D urban flood modelling
M Abily, N. Bertrand, O Delestre +2
This paper presents a spatial Global Sensitivity Analysis (GSA) approach in a 2D shallow water equations based High Resolution (HR) flood model. The aim of a spatial GSA is to prod…
A shallow water with variable pressure model for blood flow simulation
Olivier Delestre, Arthur Ghigo, Jose-Maria Fullana +1
We performed numerical simulations of blood flow in arteries with a variable stiffness and cross-section at rest using a finite volume method coupled with a hydrostatic reconstruct…
FullSWOF: A free software package for the simulation of shallow water flows
Olivier Delestre, Frédéric Darboux, Francois James +3
Numerical simulations of flows are required for numerous applications, and are usually carried out using shallow water equations. We describe the FullSWOF software which is based o…
FullSWOF_Paral: Comparison of two parallelization strategies (MPI and SKELGIS) on a software designed for hydrology applications
Stéphane Cordier, Hélène Coullon, Olivier Delestre +4
In this paper, we perform a comparison of two approaches for the parallelization of an existing, free software, FullSWOF 2D (http://www. univ-orleans.fr/mapmo/soft/FullSWOF/ that s…
Parallelization of a relaxation scheme modelling the bedload transport of sediments in shallow water flow
Emmanuel Audusse, Olivier Delestre, Le Minh-Hoang +3
In this work we are interested in numerical simulations for bedload erosion processes. We present a relaxation solver that we apply to moving dunes test cases in one and two dimens…
A limitation of the hydrostatic reconstruction technique for Shallow Water equations
Olivier Delestre, Stéphane Cordier, Frédéric Darboux +1
Because of their capability to preserve steady-states, well-balanced schemes for Shallow Water equations are becoming popular. Among them, the hydrostatic reconstruction proposed i…
A "well-balanced" finite volume scheme for blood flow simulation
Olivier Delestre, Pierre-Yves Lagrée
We are interested in simulating blood flow in arteries with a one dimensional model. Thanks to recent developments in the analysis of hyperbolic system of conservation laws (in the…
SWASHES: A library for benchmarking in hydraulics / SWASHES : une bibliothèque de bancs d'essai en hydraulique
Olivier Delestre, Carine Lucas, Pierre-Antoine Ksinant +4
Numerous codes are being developed to solve Shallow Water equations. Because they are used in hydraulics and environmental studies, their capability to simulate properly flow dynam…
An analytical solution of Shallow Water system coupled to Exner equation
Christophe Berthon, Stéphane Cordier, Minh H. Le +1
In this paper, an exact smooth solution for the equations modeling the bedload transport of sediment in Shallow Water is presented. This solution is valid for a large family of sed…
SWASHES: a compilation of Shallow Water Analytic Solutions for Hydraulic and Environmental Studies
Olivier Delestre, Carine Lucas, Pierre-Antoine Ksinant +5
Numerous codes are being developed to solve Shallow Water equations. Because there are used in hydraulic and environmental studies, their capability to simulate properly flow dynam…
A well-balanced finite volume scheme for 1D hemodynamic simulations
Olivier Delestre, Pierre-Yves Lagrée
We are interested in simulating blood flow in arteries with variable elasticity with a one dimensional model. We present a well-balanced finite volume scheme based on the recent de…