Publications ‒ LHE ‐ EPFL

Se reporter au site dédié du laboratoire pour l’ensemble des publications.

Articles scientifiques du LHE parus dans des revues internationales

2023

Z. Meng, J. Zhang, Y. Hu, and C. Ancey, “Temporal prediction of landslide-generated waves using a theoretical-statistical combined method,”Journal of Marine Science and Engineering, 11, 1151, 2023
C. Ancey and A. Recking, Scaling behavior of bedload transport—What if Bagnold was right?. Submitted to Earth-Science Reviews. Electronic Supplement
M. Kiani and C. Ancey, Neural network to infer bed topography from velocity field: U-net architecture on huge experimental data. Submitted to Water Resources

2022

G. Rousseau and C. Ancey, An experimental investigation of turbulent free-surface flows over a steep permeable bed, Journal of Fluid Mechanics, 941, A51, 2022.
M. Kyburz, J. Gaume, B. Sovilla, and C. Ancey, Physics-based estimates of drag coefficients for the impact pressure calculation of dense snow avalanches, Engineering Structures, 254, 113478, 2022.
M. Kyburz, J. Gaume, B. Sovilla, and C. Ancey, The concept of the mobilized domain: how it can explain and predict the forces exerted by a cohesive granular avalanche on an obstacle, Granular Matter, 22, 45, 2022.

2021

T. Trewhela and C. Ancey, A conveyor belt experimental setup to study the internal dynamics of granular avalanches, Experiments in Fluids 62, 207, 2021.
I. Pascal, C. Ancey, P. Bohorquez, The variability of antidune morphodynamics on steep slopes, Earth Surface Processes and Landforms, 46, 1750-1765, 2021. doi.org/10.1002/esp.5110
T. Trewhela, J.M.N.T. Gray and C. Ancey, An experimental scaling law for particle-size segregation in dense granular flows, Journal of Fluid Mechanics, 916, A55, 2021.
T. Trewhela, J.M.N.T. Gray and C. Ancey, Large particle segregation in sheared dense granular flows, Physical Review Fluids, 6, 054302 (2021)

2020

C. Ancey and I. Pascal, Estimating mean bedload transport rates and their uncertainties, Journal of Geophysical Research, 2020
C. Ancey, Bedload transport: a walk between randomness and determinism. Part 1: State of the art, Journal of Hydraulic Research, 58, 1-17, 2020
C. Ancey, Bedload transport: a walk between randomness and determinism. Part 2: Challenges and prospects, Journal of Hydraulic Research, 58, 18-33, 2020
M. Kyburz, J. Gaume, B. Sovilla, and C. Ancey, Decoupling the role of inertia, friction and cohesion in dense granular avalanche pressure build-up on obstacles, Journal of Geophysical Research: Earth Surface, 2020.
G. Rousseau and C. Ancey, Refractive index-matched scanning of turbulent flows over rough permeable beds, Experiments in Fluids

2019

C. Ancey, E. Bardou, M. Funk, M. Huss, M.A. Werder et T. Trewhela, Hydraulic reconstruction of the 1818 Giétro glacial lake outburst flood, soumis à Water Resources Research. simulation 3D
B. Dhont and C. Ancey, Effect of sediment feed rate on bedload pulses in a gravel-bed flume, soumis à Earth Surface Processes and Landforms
C. Ancey, E. Bardou, et T. Trewhela, Reconstruction hydraulique de la débâcle glaciaire du Giétro de 1818, soumis à Annales Valaisannes (actes du colloque de juin 2018 au Châble)

2018

B. Dhont and C. Ancey, Are Bedload Transport Pulses in Gravel-Bed Rivers Created by Bar Migration or Sediment Waves?, Geophysical Research Letters
van der Vaart, K., M.P. van Schrojenstein Lantman, T. Weinhart, S. Luding, C. Ancey, and A.R. Thornton, Segregation of large particles in dense granular flows: A granular Saffman effect?, soumis à Phys. Rev. Fluids.
van der Vaart, K., A.R. Thornton, C.G. Johnson, T. Weinhart, T. Jing, P. Gajjar, J.M.N.T. Gray, and C. Ancey, Breaking size-segregation waves and mobility feedback in dense granular avalanches, Granular Matter, 2018.

2017

C. Ancey and B. M. Bates,Stokes third problem for Herschel-Bulkley fluids, Journal of Non-Newtonian Fluid Mechanics 243 (2017) 27-37.
Zitti, G., C. Ancey, M. Postacchini, and M. Brocchini, Snow avalanches striking water basins: behaviour of the avalanche’s centre of mass and front, Natural Hazards 88 (2017) 1297-1323.
B. M. Bates and C. Ancey, The dambreak problem for eroding viscoplastic fluids, Journal of Non-Newtonian Fluid Mechanics 243 (2017) 64-78.
B. Dhont, G. Rousseau and C. Ancey, Continuous monitoring of bedload transport in a laboratory flume using an impact sensor, Journal of Hydraulic Engineering 143 (2017) 04017005.

2016

J. Heyman, P. Bohórquez and C. Ancey, Entrainment, motion, and deposition of coarse particles transported by water over a sloping mobile bed, Journal of Geophysical Research: Earth Surface 121 (2016) 1931-1952
Ancey, C., Snow Avalanches, in Natural Hazard Science, edited by S.L. Cutter, DOI:10.1093/acrefore/9780199389407.013.17, Oxford University Press, Oxford, 2016.
G. Zitti, C. Ancey, M. Postachini, and M. Brocchini Impulse waves generated by snow avalanches: Momentum and energy transfer to the water body, Journal of Geophysical Research: Earth Surface 121 (2016) 2399-2423.
P. Gajjar, K. van der Vaart, A. Thornton, C. Johnson, C. Ancey, et J.M.N.T. Gray Asymmetric breaking size-segregation waves in dense granular free-surface flow, dans Journal of Fluid Mechanics 794 (2016) 460-505
P. Bohórquez and C. Ancey Particle diffusion in non-equilibrium bedload transport simulations, Applied Mathematical Modelling 40 (2016) 7474-7492.
B. Bates, N. Andreini, C. Ancey Basal entrainment by Newtonian gravity-driven flows, Physics of Fluids 28 (2016) 053101.

2015

J.M.N.T. Gray et C. Ancey Particle size and density segregation in granular free-surface flows, Journal of Fluid Mechanics 779, 622-668.
C. Ancey, P. Bohórquez, and J. Heyman, Stochastic interpretation of the advection diffusion equation and its relevance to bed load transport, Journal of Geophysical Research: Earth Surface, 120, 2529-2551, 2015. Supplément électronique
P. Bohórquez and C. Ancey Stochastic-deterministic modeling of bed load transport in shallow water flow over erodible slope: linear stability analysis and numerical simulation, Advances in Water Resources 83, 36–54.
K. van der Vaart, P. Gajjar, G. Epely-Chauvin, N. Andreini, J.M.N.T. Gray, et C. Ancey An underlying asymmetry within particle-size segregation, Physical Review Letters, 114, 238001, 2015.
Christophe Ancey et Vincent Bain, Dynamics of snow gliding and glide avalanches, Reviews of Geophysics 53, 745–784. ( supplément électronique). Article mis en lumière par Science Now et EOS.
H.B. Ma, J. Heyman, X. Fu, F. Mettra, C. Ancey and G. Parker, Bedload transport over a broad range of time scales: determination of three regimes of fluctuations, Journal of Geophysical Research 119, 2653-2673, 2015.

2014

Christophe Ancey, Patricio Bohorquez, et Eric Bardou, Sediment transport in mountain rivers, Ercoftac 100, 37-52.
J. Heyman, F. Mettra, H.B. Ma, C. Ancey, Spatial correlations in bed load transport: Evidence, importance, and modeling, Journal of Geophysical Research: Earth Surface 119, 1751-1767, 2014.
Christophe Ancey and Joris Heyman A microstructural approach to bed load transport: mean behaviour and fluctuations of particle transport rates, Journal of Fluid Mechanics 744, 129-168, 2014. Il y a malheureusement trois fautes de frappe qui ont échappé à notre attention. Voir l’erratum.
Belinda Bates, Christophe Ancey, Jean Busson Visualization of the internal flow properties and the material exchange interface in an entraining viscous Newtonian gravity current, Environmental Fluid Mechanics. 14, 501-518, 2014.

2013

Christophe Ancey, Nicolas Andreini, Gaël Épely-Chauvin, The dam-break problem for concentrated suspensions of neutrally buoyant particles, Journal of Fluid Mechanics 724, 95-122, 2013.
J. Heyman, F. Mettra, H.B. Ma, C. Ancey, Statistics of bedload transport over steep slopes: Separation of time scales and collective motion, Geophysical Research Letters, 40, 128-133, 2013.
Christophe Ancey, Nicolas Andreini, Gaël Épely-Chauvin, Granular suspension avalanches. I. Macro-viscous behavior, Physics of Fluids 25, 033301
Nicolas Andreini, Christophe Ancey, and Gaël Épely-Chauvin , Granular suspension avalanches. II. Plastic behavior, Physics of Fluids 25, 033302
K. van der Vaart, Yasser Rahmani, Rojman Zargar, Zhibing Hu, Daniel Bonn et al. Rheology of concentrated soft and hard-sphere suspensions, Journal of Rheology 57, 1195 (2013).

2012

Nicolas Andreini, Gaël Épely-Chauvin, and Christophe Ancey Internal dynamics of Newtonian and viscoplastic fluid avalanches down a sloping bed, Physics of Fluids 24, 053101 (2012)
Christophe Ancey Are extreme avalanches genuine outliers?, Eur. Phys. J. Special Topics 205, 117-129 (2012)
C. Ancey, Nicolas Andreini, Gaël Épely-Chauvin, Viscoplastic dambreak waves: review of simple computational approaches and comparison with experiments Advances in Water Resources 48 (2012) 79–91.

2011

N. Gray & C. Ancey, Multi-component particle size segregation in shallow granular avalanches, Journal of Fluid Mechanics 678 (2011) 535–588.
Sébastien Wiederseiner, Nicolas Andreini, Gaël Épely-Chauvin, Gaudenz Moser, Mathieu Monnereau, Nico Gray, and Christophe Ancey Experimental investigation into segregating granular flows down chutes, Physics of Fluids, 23, 013301.
Sébastien Wiederseiner, Nicolas Andreini, Gaël Épely-Chauvin, and Christophe Ancey Refractive-index and density matching in concentrated particle suspensions: a review, Experiments in Fluids (2011) 50:1183–1206
Bohorquez, P., Rentschler, M. (2011). Hydrodynamic Instabilities in Well-Balanced Finite Volume Schemes for Frictional Shallow Water Equations. The Kinematic Wave Case. Journal of Scientific Computing, 48(1-3), 3-15.

2010

Virginie Hergault, Philippe Frey, François Métivier, Cécile Barat, Christophe Ducottet, Tobias Böhm and Christophe Ancey Refractive-index and density matching in concentrated particle suspensions: a review, Experiments in Fluids, 49, 1095-1107, 2010.
C. Ancey, Stochastic modeling in sediment dynamics: Exner equation for planar bed incipient bed load transport conditions, Journal of Geophysical Research 115, F00A11, 2010.
S. A. Padoan, M. Ribatet and S. A. Sisson Likelihood-Based Inference for Max-Stable Processes, in Journal of the American Statistical Association 105 263-277, 2010.
Bohorquez, P., Competition between kinematic and dynamic waves in floods on steep slopes, Journal of Fluid Mechanics, 645, 375-409, 2010.

2009

C. Ancey, Stochastic modelling in sediment dynamics: the Exner equation for planar-bed incipient-bedload-transport conditions, Journal of Geophysical Research.
C. Ancey, S. Cochard & N. Andreini, The dam-break problem for viscous fluids in the high-capillary-number limit, Journal of Fluid Mechanics 624 (2009) 1-22.
N. Gray & C. Ancey. Segregation, recirculation and deposition of coarse particles near two-dimensional avalanche fronts, Journal of Fluid Mechanics 629 (2009) 387–423.
S. Cochard & C. Ancey, Experimental investigation of the spreading of viscoplastic fluids on inclined planes, Journal of Non-Newtonian Fluid Mechanics 158 (2009) 18-35.
C. Ancey & S. Cochard, The dam-break problem for Herschel-Bulkley fluids down steep flumes, Journal of Non-Newtonian Fluid Mechanics 158 (2009) 73-84.
J. Fang, A. Parriaux, M. Rentschler, C. Ancey Improved SPH methods for simulating free surface flows of viscous fluids, Applied Numerical Mathematics 59 (2009) 251–271.

2008

C. Ancey et al., Determining the bulk rheological behavior of gravity-driven flow down a flume. Application to granular flows, rejeté par Journal of Non-Newtonian Fluid Mechanics.
S. Cochard & C. Ancey, Tracking the free surface of time-dependent flows: Image processing for the dam-break problemExperiments in Fluids 44 (2008) 59-71.
Ancey, C., A. Davison, T. Böhm, M. Jodeau, and P. Frey, Entrainment and motion of coarse particles in a shallow stream down a steep slope Journal of Fluid Mechanics595 (2007) 83-114.
C. Ancey et al. “The dam-break problem for sloping beds”, Water Resources Research 44 (2008) W01430.Additional material: Mathematica notebook.

2007

B. Turnbull, J. McElwaine, C. Ancey, The Kulikovskiy–Sveshnikova–Beghin Model of Powder Snow Avalanches: Development and Application, Journal of Geophysical Research , 112, F01004, 2007.
Ancey, C., S. Cochard, S. Wiederseiner, and M. Rentschler, Existence and features of similarity solutions for non-Boussinesq gravity currentsPhysica D226, 32-54, 2007.
Ancey, C., “Plasticity and geophysical flows: A review”, Journal of Non-Newtonian Fluid Mechanics, 2007 (142) 4-35.

2006

Ancey, C., S. Cochard, S. Wiederseiner, and M. Rentschler , Front dynamics of supercritical non-Boussinesq gravity currents, Water Resources Research, 42, W08424, 2006.
Ancey, C., T. Böhm, M. Jodeau, and P. Frey, Statistical description of sediment transport experiments, Physical Review E, 74, 011302, 2006.

2005

Ancey, C. “Monte Carlo calibration of avalanches described as Coulomb fluid flows.” Philosophical Transactions of the Royal Society of London, 363, 1529-1550, 2005.
Ancey, C. “Solving the Couette inverse problem by using a wavelet-vaguelette decomposition.” Journal of Rheology,49, 441-460, 2005. Electronic supplement and Mathematica package
Remaître, A., J.-P. Malet, O. Maquaire, C. Ancey, and J. Locat, Flow behaviour and runout modelling of a complex debris flow in a clay-shale basin, Earth Surface Processes and Landforms, 30, 479-488, 2005.
Blanckaert, K., and de Vriend, H. J. “Turbulence structure in sharp open-channel bends.” Journal of Fluid Mechanics, 356, 27-48, 2005.
Blanckaert, K., and H.J. de Vriend, Turbulence characteristics in sharp open-channel bends, Physics of Fluids, 17 (4), 055102, 2005.
Blanckaert, K., Discussion on: Investigation on the suitability of two-dimensional depth-averaged models for bend-flow simulation, by Hsieh, T.Y. & Yang, J.C., Journal of Hydraulic Engineering, 131 (7), 625-628, 2005.
Franca M.J. and Lemmin U., (2005). “Eliminating velocity aliasing in acoustic Doppler velocity profiler data”. Measurements and Science Technology, Vol.17 (2006) pp. 313-322.
Franca, M., and A.B. Almeida, Discussion of the paper “Modeling of washout of dams” from A. Rozov, Journal of Hydraulic Research, 43 (4), 439-444, 2005.

2004

Ancey, C. (2004). “Powder-snow avalanches: approximation as non-Boussinesq clouds with a Richardson-number-dependent entrainment function.” Journal of Geophysical Research, 109, F01005.
Ancey, C., Gervasoni, C., and Meunier, M. (2004). “Computing extreme avalanches.” Cold Regions Science and Technology,39, 161-180.
Ancey, C., and Meunier, M. (2004). “Estimating bulk rheological properties of flowing snow avalanches from field data.” Journal of Geophysical Research, 109, F01004.
Blanckaert, K., and Lemmin, U. (2004). “Means of noise reduction in acoustic turbulence measurements.” Journal of hydraulic Research – IAHR, (in press).
Blanckaert, K., and de Vriend, H. J. (2004). “Secondary flow in sharp open-channel bends.” Journal of Fluid Mechanics, 498.
Blanckaert, K., and Graf, W. H. (2004). “Momentum transport in sharp open-channel bends.” Journal of Hydraulic Engeering – ASCE, 130(3).
Boehm, T., Ancey, C., Frey, P., Reboud, J.-L., and Duccotet, C. (2004). “Fluctuations of the solid discharge of gravity-driven particle flows in a turbulent stream.” Physical Review E,69, 06 1307.
Meunier, M., and Ancey, C. (2004). “Towards a conceptual approach to predetermining high-return-period avalanche run-out distances.” Journal of Glaciology, 50, 268-278, 2004.
Meunier, M., Ancey, C., and Taillandier, J.-M. (2004). “Fitting avalanche-dynamics models with documented with documented events from the Col du Lautaret site (France) using the conceptual approach.” Cold Regions Science and Technology,39, 55-66.