Recherche - Archive ouverte HAL Accéder directement au contenu

Filtrer vos résultats

89 résultats

Bed-load transport by laminar shearing flows

Julien Chauchat , Malika Ouriemi , Pascale Aussillous , Marc Medale , Elisabeth Guazzelli
Conference on Dense Granular Flows, Jan 2009, Cambridge, United Kingdom
Communication dans un congrès hal-00621166v1

Can we reduce debris flow to an equivalent one-phase flow?

B. Chareyre , D Marzougui , Julien Chauchat
International Symposium on Geohazards and Geomechanics (ISGG2015), 2015, Warwick, United Kingdom. pp.012009
Communication dans un congrès hal-02043153v1

Discrete simulations of an armoured sediment bed during bedload transport

Rémi Chassagne , Raphaël Maurin , Julien Chauchat , Philippe Frey
EGU General Assembly 2020, May 2020, Vienna (Online), Austria. ⟨10.5194/egusphere-egu2020-9367⟩
Communication dans un congrès hal-03135479v1

An Eulerian two-phase model for steady sheet flow using large-eddy simulation methodology

Zhen Cheng , Tian-Jian Hsu , Julien Chauchat
Advances in Water Resources, 2018, 111, pp.205 - 223. ⟨10.1016/j.advwatres.2017.11.016⟩
Article dans une revue hal-01649881v1
Image document

A 3D Two-Phase Numerical Model for Sediment Transport

Julien Chauchat , Malika Ouriemi , Pascale Aussillous , Marc Médale , Elisabeth Guazzelli
7th International Conference on Multiphase Flow,, May 2010, Tampa, United States. pp.1-6
Communication dans un congrès hal-00621121v1
Image document

Three-dimensional scour simulations with a two-phase flow model

Tim Nagel , Julien Chauchat , Cyrille Bonamy , Xiaofeng Liu , Zhen Cheng , et al.
Advances in Water Resources, 2020, 138, pp.103544. ⟨10.1016/j.advwatres.2020.103544⟩
Article dans une revue hal-02500524v1

Experimental and numerical analysis of turbulence/mobile-bed interactions

Thibaud Revil-Baudard , Julien Chauchat , David Hurther , Tian-Jian Hsu , Zhen Cheng
EGU 2017, Apr 2017, VIENNE, Austria
Communication dans un congrès hal-02043601v1

Two-Phase Flow Modelling Perspectives Based on Novel High-Resolution Acoustic Measurements of Uniform Steady Sheet-Flow

Julien Chauchat , Thibaud Revil-Baudard , David Hurther
AGU Fall Meeting 2014, Dec 2014, SAN FRANSISCO,CA, United States
Poster de conférence hal-02043628v1

Experimental study of sheet flow regime of sediment transport in a laboratory flume.

Thibaud Revil-Baudard , Julien Chauchat , David Hurther , Eric Barthélemy
River Flow 2014, Sep 2014, LAUSANNE, Switzerland
Communication dans un congrès hal-02043635v1

Prediction of scour phenomenon around cylinder with SedFoam

Cyrille Bonamy , Tim Nagel , Antoine Mathieu , Julien Chauchat , Zhen Cheng , et al.
3rd French OpenFOAM users conference, May 2018, Valenciennes, France
Communication dans un congrès hal-02061964v1

TWO-PHASE FLOW SIMULATIONS OF SCOUR AROUND VERTICAL AND HORIZONTAL CYLINDERS

Tim Nagel , Julien Chauchat , Cyrille Bonamy , Antoine Mathieu , Xiaofeng Liu , et al.
Coastal Engineering Proceedings, 2018, 1 (36), pp.22. ⟨10.9753/icce.v36.sediment.22⟩
Article dans une revue hal-02043124v1

Numerical investigation of mode failures in submerged granular columns

E.P. Montellà , J. Chauchat , C. Bonamy , D. Weij , G.H. Keetels , et al.
Flow Measurement and Instrumentation, 2023, 3, pp.E28. ⟨10.1017/flo.2023.23⟩
Article dans une revue hal-04243099v1

On the multi-scale interactions between an offshore-wind-turbine wake and the ocean-sediment dynamics in an idealized framework – A numerical investigation

Tim Nagel , Julien Chauchat , Achim Wirth , Cyrille Bonamy
Renewable Energy, 2018, 115, pp.783 - 796. ⟨10.1016/j.renene.2017.08.078⟩
Article dans une revue hal-01647773v1

Simulation of the turbidity maximum in the Seine estuary with a two-phase flow model

Julien Chauchat , S. Guillou , N. Barbry , K.D. Nguyen
Comptes Rendus Géoscience, 2009, 341 (7), pp.505-512. ⟨10.1016/j.crte.2009.04.002⟩
Article dans une revue hal-00433749v1
Image document

sedFoam, a OpenFOAM solver for sediment transport

Cyrille Bonamy , Julien Chauchat , Zhen Cheng , Tim Nagel , Tian-Jian Hsu
12th OpenFoam Workshop, Jul 2017, Exeter, United Kingdom
Communication dans un congrès hal-01685275v1
Image document

Mobility of bidisperse mixtures during bedload transport

Rémi Chassagne , Philippe Frey , Raphaël Maurin , Julien Chauchat
Physical Review Fluids, 2020, 5 (11), pp.114307. ⟨10.1103/PhysRevFluids.5.114307⟩
Article dans une revue hal-03083559v1

On modeling heterogeneous coastal sediment transport - A numerical study using multiphase Eulerian and Euler-Lagrangian approaches

Zhen Cheng , Xiao Yu , Tian-Jian Hsu , Joseph Calantoni , Julien Chauchat
Ocean Science Meeting 2016, Feb 2016, NEW ORLEANS, MS, United States
Poster de conférence hal-02043032v1

Two-phase flow simulation of scour around a cylindrical pile

Tim Nagel , Julien Chauchat , Cyrille Bonamy , Xiaofeng Liu , Zhen Cheng , et al.
AGU Fall Meeting 2017, Dec 2017, NEW ORLEANS, MS, United States
Poster de conférence hal-02042958v1

Upscaling of granular processes in sediment transport : from discrete to continuous modeling.

Julien Chauchat , Raphaël Maurin , Tim Nagel , Cyrille Bonamy , Zhen Cheng , et al.
EGU 2018, Apr 2018, VIENNE, Austria
Communication dans un congrès hal-02043226v1

New perspectives on particle-laden flows in complex geometries using the turbulence-averaged Eulerian two-phase flow model

Julien Chauchat , Cyrille Bonamy , Tim Nagel , Antoine Mathieu , Zhen Cheng , et al.
IUTAM/ AMERIMECH SYMPOSIUM on Dynamics of Gravity Currents, Sep 2017, SANTA BARBARA, CA, United States
Communication dans un congrès hal-02043649v1

An Eulerian two-phase flow model for sediment transport under realistic surface waves

Tian-Jian Hsu , Yeulwoo Kim , Zhen Cheng , Julien Chauchat
AGU Fall Meeting 2017, Dec 2017, NEW ORLEANS, MS, United States
Poster de conférence hal-02042965v1

Dense granular flow rheology in turbulent bedload transport

Raphaël Maurin , Julien Chauchat , Philippe Frey
THESIS 2016, TWO-PHASE MODELLING FOR SEDIMENT DYNAMICS IN GEOPHYSICAL FLOWS, Sep 2016, TOKYO, Japan
Communication dans un congrès hal-02043254v1

Discrete element simulations and continuous modeling of vertical size-segregation in bedload transport

Rémi Chassagne , Julien Chauchat , Raphaël Maurin , Philippe Frey
AGU Fall Meeting 2018, Dec 2018, WASHINGTON, DC, United States
Poster de conférence hal-02042397v1

Application of a Eulerian two-phase flow model to scour processes

Antoine Mathieu , Tim Nagel , Cyrille Bonamy , Julien Chauchat , Zhen Cheng , et al.
River Flow 2018 - Ninth International Conference on Fluvial Hydraulics, Sep 2018, Lyon-Villeurbanne, France. ⟨10.1051/e3sconf/20184005015⟩
Communication dans un congrès hal-01882779v1
Image document

Microscopic origins of shear stress in dense fluid-grain mixtures

Donia Marzougui , Bruno Chareyre , Julien Chauchat
Granular Matter, 2015, 17, pp.297 - 309. ⟨10.1007/s10035-015-0560-6⟩
Article dans une revue hal-01399568v1
Image document

INVESTIGATION OF THE MULTI-SCALE INTERACTIONS BETWEEN AN OFFSHORE WIND TURBINE WAKE AND THE OCEAN-SEDIMENT DYNAMICS IN A INDEALIZED FRAMEWORK

Tim Nagel , Julien Chauchat , Achim Wirth
E-proceedings of the 36th IAHR World Congress, The International Association for Hydro-Environment Engineering and Research (IAHR), Jun 2015, The Hague, Netherlands
Communication dans un congrès hal-01195630v1

Discrete element modelling of bed load transport

Raphaël Maurin , Bruno Chareyre , Julien Chauchat , Philippe Frey
EGU General Assembly, Apr 2013, France
Communication dans un congrès hal-00915258v1

Investigation of vertical size segregation in bedload sediment transport with a coupled fluid-discrete element model

Philippe Frey , Raphaël Maurin , Lamia Morchid-Alaoui , Shashank Gupta , Julien Chauchat
EPJ Web of Conferences, 2017, 140, pp.09025
Article dans une revue hal-01991248v1
Image document

On turbulence closures for two-phase sediment-laden flow models

J. Chauchat , S. Guillou
Journal of Geophysical Research, 2008, VOL. 113, pp.C11017. ⟨10.1029/2007JC004708⟩
Article dans une revue hal-00343574v1
Image document

Unconfined Plunging of a Hyperpycnal River Plume Over a Sloping Bed and Its Lateral Spreading: Laboratory Experiments and Numerical Modeling

H Shi , M.E. Negretti , J Chauchat , D A Barry , K Blanckaert , et al.
Water Resources Research, 2022, 58, ⟨10.1029/2022wr032633⟩
Article dans une revue hal-03759548v1