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Riadh ATA

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Expert Research Engineer

Position: Expert Research Engineer

EDF R&D-National Laboratory of Hydraulics and Environment / Laboratory of Hydraulics Saint-Venant

Has joined  EDF : 2009

 

Education

2007 Ph.D. Computational Fluid Dynamics

  • Development of particle methods for the simulation of free surface flows.

  • Ecole de Technologie Supérieure (ETS)- Montreal - Canada

2002 M. Sc. Computational Fluid Dynamics

  • Free surface flows using SPH (Smoothed Particle Hydrodynamics) method.

  • Ecole de Technologie Supérieure (ETS)- Montreal - Canada

1999 B. Sc. Mechanical engineering

  • National School of Engineering of Tunis (ENIT) - Tunis - Tunisia

Fields of interest

numerical Methods - fluid Mechanics - Environmental hydraulics -software Development-Uncertainty quantification - Model Reduction - data Assimilation.

Research in progress

- numerical Methods (finite Volumes, finite Elements, particle Methods)

-Turbulence (RANS and LES)

- Water Quality

- Dynamic of ice and Frazil

- Reduced models and Propagation of uncertainties

Supervision

Sara Pavan (PhD): New convection schemes for flow with a free surface

Adrien Bourgoin (PhD): LES Methods for free surface flows

Publications

  • Adrien Bourgoin, Sylvain Guillou, Jérôme Thiébot, Riadh Ata. Use of Large-Eddy Simulation for the bed shear stress estimation over a dune. International Journal of Sediment Research, 2021, 36 (6), pp.687-695. ⟨10.1016/j.ijsrc.2019.10.002⟩. ⟨hal-04616132⟩
  • Doan Van Binh, Sameh Kantoush, Riadh Ata, Pablo Tassi, Tam Nguyen, et al.. Hydrodynamics, sediment transport, and morphodynamics in the Vietnamese Mekong Delta: Field study and numerical modelling. Geomorphology, 2022, 413, pp.108368. ⟨10.1016/j.geomorph.2022.108368⟩. ⟨hal-04382252⟩
  • Stéphane Abadie, Alexandre Paris, Riadh Ata, Sylvestre Leroy, Gael Arnaud, et al.. La Palma landslide tsunami: calibrated wave source and assessment of impact on French territories. Natural Hazards and Earth System Sciences, 2020, 20 (11), pp.3019-3038. ⟨10.5194/nhess-20-3019-2020⟩. ⟨hal-03011158⟩
  • Abdelkader Krimi, Sofiane Khelladi, Xesús Nogueira, Michael Deligant, Riadh Ata, et al.. Multiphase smoothed particle hydrodynamics approach for modeling soil–water interactions. Advances in Water Resources, Elsevier, 2018, 121, pp.189-205. ⟨10.1016/j.advwatres.2018.08.004⟩. ⟨hal-02438193⟩
  • Marine Le Gal, Damien Violeau, Riadh Ata, Xiaoming Wang. Shallow water numerical models for the 1947 gisborne and 2011 Tohoku-Oki tsunamis with kinematic seismic generation. Coastal Engineering, Elsevier, 2018, 139, pp.1-15. 〈hal-01944346〉
  • Pablo Tassi, Kamal El Kadi Abderrezzak, Andres Die Moran, Riadh Ata, Jean-Michel Hervouet. Modelling river bank erosion using a 2D depth-averaged numerical model of flow and non-cohesive, non-uniform sediment transport. Advances in Water Resources, Elsevier, 2016, 93, pp.75 - 88. 〈10.1016/j.advwatres.2015.11.004〉. 〈hal-01709907〉
  • Sara Pavan, Jean-Michel Hervouët, Mario Ricchiuto, Riadh Ata. A second order residual based predictor–corrector approach for time dependent pollutant transport. Journal of Computational Physics, Elsevier, 2016, 318, pp.122 - 141. 〈10.1016/j.jcp.2016.04.053〉. 〈hal-01308419〉
  • Damien Violeau, Riadh Ata, Michel Benoit, Antoine Joly, Stéphane Abadie, et al.. A database of validation cases for tsunami numerical modelling. 4th IAHR Europe Congress - Sustainable hydraulics in the era of global change, 2016, Liege Belgium. 〈hal-01390692〉
  • Sara Pavan, Riadh Ata, Jean-Michel Hervouet. Finite volume schemes and residual distribution schemes for pollutant transport on unstructured grids. Environmental Earth Sciences, Springer, 2015, 74 (11), 〈10.1007/s12665-015-4760-5〉. 〈hal-01245675〉
  • Kamal El Kadi Abderrezzak, Riadh Ata, Fabrice Zaoui. One-dimensional numerical modelling of solute transport in streams: The role of longitudinal dispersion coefficient. Journal of Hydrology, Elsevier, 2015, 527, pp.978-989. 〈10.1016/j.jhydrol.2015.05.061〉. 〈hal-01763284〉
  • Riadh Ata, Sara Pavan, S. Khelladi, E. F. Toro. A Weighted Average Flux (WAF) scheme applied to shallow water equations for real-life applications. Advances in Water Resources, Elsevier, 2013, 62, pp.155-172. 〈10.1016/j.advwatres.2013.09.019〉. 〈hal-00947772〉
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