Search - Université de Rennes Access content directly

Filter your results

114 Results
authIdHal_s : alexandrevalance

Seepage-induced penetration of water vapor and dust beneath ripples and dunes

Michel Yves Louge , Alexandre Valance , Houda Mint Babah , J.-C. Moreau-Trouvé , Ahmed Ould El Moctar et al.
Journal of Geophysical Research, 2010, 115 (F2), pp.02002. ⟨10.1029/2009JF001385⟩
Journal articles hal-00664291v1
Image document

Particle segregation in inclined high-speed granular flows

Aurélien Neveu , Michele Larcher , Renaud Delannay , James T. Jenkins , Alexandre Valance et al.
Journal of Fluid Mechanics, 2022, 935, pp.-A41. ⟨10.1017/jfm.2022.51⟩
Journal articles hal-03592588v1
Image document

Influence of lateral confinement on granular flows: comparison between shear-driven and gravity-driven flows

Patrick Richard , Riccardo Artoni , Alexandre Valance , Renaud Delannay
Granular Matter, 2020, 22 (4), ⟨10.1007/s10035-020-01057-3⟩
Journal articles hal-02948732v1

Experimental study on transient and steady-state dynamics of bedforms in supply limited configuration

Julie Dréano , Alexandre Valance , Dimitri Lague , Cyril Cassar
Earth Surface Processes and Landforms, 2010, 35 (14), pp.1730-1743. ⟨10.1002/esp.2085⟩
Journal articles istex insu-00609633v1
Image document

Effect of dissipation in rapid-gravitational granular flows

Yajuan Zhu , Renaud Delannay , Alexandre Valance
EPJ Web of Conferences, 2021, 249, pp.03046. ⟨10.1051/epjconf/202124903046⟩
Journal articles hal-03451006v1
Image document

Sidewall friction in confined surface flows of granular materials

Patrick Richard , Alexandre Valance , Renaud Delannay
EPJ Web of Conferences, 2021, 249, pp.03024. ⟨10.1051/epjconf/202124903024⟩
Journal articles hal-03451140v1

Two- and three-dimensional confined granular chute flows: experimental and numerical results

Weitao Bi , Renaud Delannay , Patrick Richard , Nicolas Taberlet , Alexandre Valance et al.
Journal of Physics: Condensed Matter, 2005, 17 (24), pp.2457-2480. ⟨10.1088/0953-8984/17/24/006⟩
Journal articles hal-01127765v1
Image document

The threshold for continuing saltation on Earth and other solar system bodies

Diego Berzi , Alexandre Valance , Jim T. Jenkins
Journal of Geophysical Research : Solid Earth, 2017, 122 (7), pp.1374-1388. ⟨10.1002/2016JF003982⟩
Journal articles hal-01580455v1

Scaling and distribution laws in aeolian sand transport

Alexandre Valance , Tuan Duc Ho , Pascal Dupont , Ahmed Ould El Moctar
Minerva Gentner Symposium on Aeolian Processes, Haim Tsoar, Oct 2011, Eilat, Israel
Conference papers hal-01137538v1
Image document

Aerodynamic and impact thresholds for cohesive mixture of sand and non-volatile liquid

Jean-Baptiste Besnard , Alexandre Valance , Pascal Dupont , Ahmed Ould El Moctar
EPJ Web of Conferences, 2021, 249, pp.08007. ⟨10.1051/epjconf/202124908007⟩
Journal articles hal-03451128v1

Sand dune patterns

Alexandre Valance
Nanoscale Pattern Formation at Surfaces, Mario Castro,Rodolfo Cuerno, Raúl Gago, Javier Muñoz-García, Paloma Tejedor, Luis Vázquez, Sep 2011, El Escorial (Madrid), Spain
Conference papers hal-01137515v1

Modèle minimal pour les dunes transverses et les barkhanes.

Lucie Guignier , Alexandre Valance , Dimitri Lague
GdR MéPhy, Jun 2012, Agay, France
Conference papers hal-00933487v1

Phase transition for granular flows down inclined channels

Renaud Delannay , Nicolas Brodu , Patrick Richard , Alexandre Valance
GDR TransNat, Oct 2012, Tours, France
Conference papers hal-00933401v1
Image document

Granular surface flows confined between flat, frictional walls. Part 1. Kinematics

Patrick Richard , Alexandre Valance , Renaud Delannay , Philippe Boltenhagen
Journal of Fluid Mechanics, 2022, 940, pp.A30. ⟨10.1017/jfm.2022.245⟩
Journal articles hal-03640642v2
Image document

Aeolian Sand Transport in Out-of-Equilibrium Regimes

H. Selmani , Alexandre Valance , Ahmed Ould El Moctar , Patrick Dupont , R. Zegadi et al.
Geophysical Research Letters, 2018, 45 (4), pp.1838-1844. ⟨10.1002/2017GL076937⟩
Journal articles hal-01719469v1

Scaling and distribution laws in aeolian sand transport

Alexandre Valance , Tuan Duc Ho , Ahmed Ould El Moctar , Pascal Dupont
Traffic and Granular flow 2011, Alexander S. Bugaev, Sep 2011, Moscou, Russia
Conference papers hal-01137543v1

Scaling Laws in Aeolian Sand Transport

Tuan Duc Ho , Alexandre Valance , Pascal Dupont , Ahmed Ould El Moctar
Physical Review Letters, 2011, 106, pp.94501. ⟨10.1103/PHYSREVLETT.106.094501⟩
Journal articles hal-00711659v1
Image document

Report on the Program “Fluid-mediated particle transport in geophysical flows” at the Kavli Institute for Theoretical Physics, UC Santa Barbara, September 23 to December 12, 2013

James T. Jenkins , Eckart Meiburg , Alexandre Valance
Physics of Fluids, 2015, 27 (9), pp.096601. ⟨10.1063/1.4928764⟩
Journal articles hal-01187100v1
Image document

Temperature and humidity within a mobile barchan sand dune, implications for microbial survival

Michel Yves Louge , Alexandre Valance , Ahmed Ould El Moctar , Jin Xu , Anthony G. Hay et al.
Journal of Geophysical Research: Earth Surface, 2013, 118 (4), pp.2392-2405. ⟨10.1002/2013JF002839⟩
Journal articles hal-00911552v1
Image document

High speed confined granular flows down inclines: numerical simulations

Yajuan Zhu , Renaud Delannay , Alexandre Valance
EGU, Apr 2018, VIENNA, Australia. 20, pp.218 - 228, 2018
Conference poster hal-02374603v1

Granular flows confined between flat, frictional walls

Renaud Delannay , Patrick Richard , Alexandre Valance
2nd IMA Conference on Dense Granular Flows, Isaac Newton Institute for Mathematical Sciences, Jul 2013, Cambridge, United Kingdom
Conference papers hal-00995206v1

Instabilités d'écoulements granulaires bidisperses en cisaillement sur un plan incliné

Axelle Amon , Renaud Delannay , Alexandre Valance
12ème Rencontre du Non Linéaire, Mar 2009, Paris, France
Conference poster hal-00980628v1

Shear Instabilities in Bidisperse Granular Flows

Axelle Amon , Renaud Delannay , Alexandre Valance
Powders and Grains 2009, Jul 2009, Denver, United States
Conference poster hal-01128359v1

New Patterns in High-Speed Granular Flows, or How Supported Regimes Could Explain Frictional Velocity-Weakening in Landslides

Renaud Delannay , Nicolas Brodu , Alexandre Valance , Patrick Richard
AGU Fall Meeting, American Geological Union, Dec 2014, San Francisco, United States
Conference papers hal-01126766v1

A nonlinear model for aeolian sand ripples

Alexandre Valance , François Rioual
Eur.Phys.J.B, 1999, 10 (3), pp.543-548. ⟨10.1007/s100510050884⟩
Journal articles istex hal-04082442v1
Image document

Crest line minimal model for sand dune

Lucie Guignier , Alexandre Valance , Dimitri Lague
EGU General Assembly 2013, Apr 2013, Vienne, Austria. 15, pp.EGU2013-831, 2013
Conference poster insu-00950538v1
Image document

Sand dunes as migrating string.

Lucie Guignier , H. Niiya , H. Nishimori , Dimitri Lague , Alexandre Valance et al.
Physical Review E : Statistical, Nonlinear, and Soft Matter Physics, 2013, 87 (5), pp.052206. ⟨10.1103/PhysRevE.87.052206⟩
Journal articles hal-00826825v1

Relaxation processes in Aeolian transport

Houssem Selmani , Alexandre Valance , Ahmed Ould El Moctar , Pascal Dupont , Rabah Zegadi et al.
EPJ Web of Conferences, 2017, 140, pp.03055. ⟨10.1051/epjconf/201714003055⟩
Journal articles hal-01580444v1

Scaling laws in Aeolian Sand transport

Alexandre Valance , D.T. Ho , Ahmed Ould El Moctar , Pascal Dupont
2nd IMA Conference on Dense Granular Flows, Jul 2013, Cambridge, United Kingdom
Conference papers hal-01147745v1

Crest line minimal model for sand dune

Lucie Guignier , Alexandre Valance , Dimitri Lague
EGU 2013, Apr 2013, Vienne, Austria
Conference papers hal-01147747v1