Pascal Hémon

research engineer from CNRS - Hydrodynamics Laboratory (LadHyX)

Ecole Polytechnique - CNRS   F-91128 PALAISEAU France
Office +33 (0)1 69 33 52 76  -  pascal.hemon (arobas) ladhyx.polytechnique.fr

FR   EN

Papers

International proceedings

• Unsteady loads on circular cylinder in cross-flow: an observation in natural wind and comparison with wind tunnel experiments (Preprint) Y. Manal & P. Hémon.
  J. Fluids and Structures, 124, 104019, 2024. https://doi.org/10.1016/j.jfluidstructs.2023.104019
• Twin Strouhal numbers in pressure loading of circular cylinder at high Reynolds numbers (PDF) Ø. Mortveit Ellingsen, X. Amandolese, O. Flamand, P. Hémon.
  J. Fluids and Structures, 115, 103782, 2022. https://doi.org/10.1016/j.jfluidstructs.2022.103782
• Field tests on a full-scale steel chimney subjected to vortex-induced vibrations (PDF) Ø. Mortveit Ellingsen, O. Flamand, X. Amandolese, F. Coiffet, P. Hémon. Structural Engineering International, 32, 55-61, 2022. https://doi.org/10.1080/10168664.2021.1936352
• Nonlinear modeling of combined galloping and vortex-induced vibration of square sections under flow. (PDF) P. Han, P. Hémon, G. Pan & E. de Langre. Nonlin. Dyn. 2020 https://doi.org/10.1007/s11071-020-06078-4
• Nondestructive and Fast Vibration Phenotyping of Plants. (PDF) E. De Langre, O. Penalver, P. Hémon, J-M. Frachisse, M-B. Bogeat-Triboulot, B. Niez, E. Babel & B.  Moulia. Plant Phenomics  Vol. 2019, Article ID 6379693  https://doi.org/10.34133/2019/6379693
• Foliage motion under wind, from leaf flutter to branch buffeting. (PDF) L. Tadrist, M. Saudreau, P. Hémon, X. Amandolese, A. Marquier, T. Leclerq & E. de Langre.  J. Royal Society Interface 15: 20180010. May 2018  http://dx.doi.org/10.1098/rsif.2018.0010
• Hydrodynamic Characteristics of Sea Kayak Traditional Paddles (PDF) P. Hémon. Sports Engineering, December 2017 https://doi.org/10.1007/s12283-017-0262-x
• Energy harvesting from different aeroelastic instabilities of a square cylinder (PDF) T. Andrianne, R.P. Aryoputro, P. Laurent, G. Colson, X. Amandolese, P. Hémon. J. of Wind Eng. & Indus. Aerod., 172, 164-169, 2018.  https://doi.org/10.1016/j.jweia.2017.10.031
• Energy harvesting of prisms: a wind tunnel experiment (PDF) P. Hémon, X. Amandolese, T. Andrianne. J. Fluids and Structures, 70, 390-402, 2017.  http://dx.doi.org/10.1016/j.jfluidstructs.2017.02.006
• Chaotic Dynamics of Flags from Recurring Values of Flapping Moment. (PDF) E. Virot, D. Faranda, X. Amandolese & P. Hémon. International Journal of Bifurcation and Chaos, vol. 27(2), 1750020-1 -7, 2017.
  DOI:10.1142/S0218127417500201
• Coupling between a flag and a spring-mass oscillator (PDF) E. Virot, X. Amandolese, P. Hémon, J. Fluids and Structures, 65, 447-454, 2016
• Processing of dynamic wind pressure loads for temporal simulations (PDF) Wind and Structures, 21(4), 425-442, 2015
• A robust videogrametric method for the velocimetry of wind-induced motion in trees (PDF) A. Barbacci, J. Diener, P. Hémon, B. Adam,  N. Donès, L. Reveret, B. Moulia. Agricultural and Forest Meteorology, 184, 224-229, 2014
• Fluttering flags: an experimental study of fluid forces (PDF) E. Virot, X. Amandolese, P. Hémon. J. of Fluids and Structures, 43, 385-401, 2013
• The transient temporal response of a flexible bridge deck subjected to a single gust (PDF) X. Amandolese, P. Hémon, S. Manzoor J. Computational & Applied Mechanics, 246, 153-160, 2013
• On the aeroelastic transient behaviour of a streamlined bridge deck section in wind tunnel (PDF) Manzoor S., Hémon P., Amandolese X. J. Fluids and Structures,  27, 1216-1227, 2011
• Vortex-induced Vibration of square cylinder in wind tunnel (PDF)  Amandolese X., Hémon P.  C.R. Mécanique, 338, 12-17, 2010
• Modelling waving crops using Large-Eddy Simulation: comparison with experiments and a linear stability analysis (PDF)  S. Dupont, F. Gosselin, C. Py, E. de Langre, P. Hémon, Y. Brunet  J. of Fluid Mech., 652, 5-44, 2010
• Rainwater rivulets running on a stay-cable subject to wind (PDF)  Lemaitre C., de Langre E., Hémon P.  Eur. J. of Mech. B/Fluids, 29, 251-258, 2010
• By-pass transition to airfoil flutter by transient growth due to gust impulse (PDF)  Schwartz M., Manzoor S., Hémon P. & de Langre E.  J. of Fluids and Structures,  25, 1272-1281, 2009
• Aeroelastic instability in a jet-plate interaction (PDF)  Antoine M., Hémon P. & de Langre E.  C.R. Mécanique, 335, 691-695, 2007
• Thin water film around a cable subject to wind (PDF)  Lemaitre C., Hémon P. & de Langre E.  J. of Wind Eng. & Indus. Aerod., 95, 1259-1271, 2007
• Simulation of a spatially correlated turbulent velocity field using biorthogonal decomposition (PDF)  Hémon P. Santi F.  J. of Wind Eng. & Indus. Aerod., 95, 21-29, 2007
• Attenuation of cavity internal pressure oscillations by shear layer forcing with pulsed micro-jets (PDF) Hémon P. & Wojciechowski J., Eur. J. of Mech. B/Fluids, 25, 939-947, 2006
• Experimental evidence of transient growth of energy before aifoil flutter (PDF)  Hémon P., de Langre E. & Schmid P.  J. of Fluids and Structures, 22(3), 391-400, 2006
• Rainwater rivulets on a cable subject to wind (PDF) C. Lemaitre, M. Alam, P. Hémon, E. de Langre, Y. Zhou. C.R. Mécanique, 334, 158-163, 2006
• Measurement of wind-induced motion of crop canopies from digital video images (PDF)  C. Py, E. de Langre, B. Moulia, P.  Hémon  Agricultural and Forest Meteorology, 130, 223–236, 2005
• Transient growth of energy and aeroelastic stability of ground vehicles (PDF), P. Hémon & c. Noger, C.R. Mécanique, 332, 175-180, 2004
• On the pressure oscillations inside a deep cavity excited by a grazing flow (PDF), P. Hémon, F. Santi & X. Amandolese, Eur. J. of Mech. B/Fluids, 23, 617-632, 2004
• An Experimental Study of the Acoustic Oscillations by Flows over Cavities (PDF), X. Amandolese, P. Hémon & c. Regardin, J. of Vibrations and Acoustics, 126, 190-195, 2004
• Applications of biorthogonal decompositions in fluid-structure interactions (PDF) Hémon P. & Santi F. J. of Fluids and Structures 17(8), 1123-1143, 2003
• On the aeroelastic behaviour of rectangular cylinders in cross-flow (PDF) Hémon P. & Santi F. J. of Fluids and Structures 16(7), 855-889, 2002
• Influence of free-stream turbulence on the Movement-Induced Vibrations of an elongated rectangular cylinder in cross-flow (PDF) Hémon P., Santi F, Schnoerringer B. & Wojciechowski J. J. of Wind Eng. & Indus. Aerod. 89, 1383-1395, 2001
• An improvement of the time delayed quasi-steady model for the oscillations of circular cylinders in cross-flow (PDF) Hémon P. J. of Fluids and Structures 13(3), 291-307, 1999
• Wind induced vibrations of chimneys using an improved quasi-steady theory for galloping (PDF) Bourdeix M.T., Hémon P. & Santi F.  J. of Wind Eng. & Indus. Aerod. 74-76, 785-794, 1998
• Experimental investigation of horizontal axis wind turbine dynamic stall in a wind tunnel (PDF) Hémon P., Olivari D., Wurmser M.  J. of Wind Eng. & Indus. Aerod. 39, 73-82, 1992

• Proceedings of the 2nd International Symposium on Flutter & its Applications, ISFA 2020 (PDF 95 Mo)
• Vibrations des structures couplées avec le vent. Editions de l’Ecole Polytechnique, 144 p, 2006
• Comportement au vent des ponts. Ed. Crémona & Foucriat. Presses de l’ENPC. 2002

Books

• In wind tunnel the reproduction of vortex shedding behind circular cylinder at high Reynolds number regimes is incomplete (PDF) Ø. Mortveit Ellingsen, X. Amandolese, P. Hémon FIV 2022, Paris-Saclay, July 2022
• Unsteady wall pressure measurements on a full scale flexible chimney subject to natural wind (PDF) Y. Manal, P. Hémon FIV 2022, Paris-Saclay, July 2022
• Impact of the nozzle geometry on the aeroelastic instability of a flat plate subjected to an air jet (PDF) A. Tatin, X. Cluzel, Y. Mourlot, P. Hémon, S. Ramananarivo FIV 2022, Paris-Saclay, July 2022
• Flutter control of a flat plate section model using nonlinear vibration absorbers (PDF) A. Pecheux, X. Amandolese, A. Malher, P. Hemon, C. Stephan IFASD 2022, Madrid, June 2022
• Axial transducer for energy harvesting from galloping (PDF) M. Hage Hassan, V. Bernard, X. Amandolese, P. Hémon ISFA 2020, Paris, May 2020
• Assessing maximum amplitude and corresponding frequency for vortex-induced vibrations (PDF) Ø. Mortveit Ellingsen, X. Amandolese, P. Hémon ISFA 2020, Paris, May 2020
• Temporal response of a bridge deck subject to a wind gust. A. Théodore, P. Hémon & X. Amandolese ICWE15, Beijing, China, September 1-6, 2019 (PDF)
• A comparative wind tunnel study of energy harvesting from galloping and wake galloping of square prisms (PDF) P. Hémon EACWE 2017, Liège, Belgium, July 4-7, 2017
• Galloping oscillations of prisms and energy harvesting in wind tunnel (PDF) P. Hémon, X. Amandolese, T. Andrianne ISFA 2016, Tokyo, May 15-17, 2016
• Large galloping oscillations of a square section cylinder in wind tunnel (PDF) P. Hémon. FIV 2012, Dublin, Ireland, July 3-6, 2012
• Transient temporal response of a flexible bridge deck submitted to a single gust (PDF) X. Amandolese, P. Hémon & S. Manzoor. ACOMEN 2011, Liège, Belgium, 14-17 November 2011
• Vortex induced vibrations of a square cylinder in a wind tunnel (PDF) S. Manzoor, P. Hémon, X. Amandolese. FEDSM 2010, Montréal, Canada, August 1-5 2010
• Aeroelastic instability of plate subject to normal jet (PDF) M. Antoine, P. Hémon, E. de Langre. FIV 2008, Prague, June 30 - July 3 2008.
• By-pass transition to airfoil flutter by transient growth due to gust impulse (PDF) M. Schwartz, P. Hémon, E. De Langre. FIV 2008, Prague, June 30 - July 3 2008.
• On the transient response of road vehicles to cross-wind gust (PDF) P. Hémon. EACWE 2005, Prague, 11-15 July 2005
• Thin water film around a cable subject to wind (PDF) c. Lemaitre, P. Hémon, E. de Langre. EACWE 2005, Prague, 11-15 July 2005
• Perturbation of vortex-induced vibrations on a square section cylinder (PDF) P. Hémon, F. Santi, FIV 2004, Paris, 5-9 July 2004
• Instability of a long ribbon hanging in axial airflow (PDF) C. Lemaitre, E. de Langre, P. Hémon. FIV 2004, Paris, 5-9 July 2004
• A new experimental technique for the measurement of the wind-induced motion of a crop canopy (PDF) C. Py, E. de Langre, P. Hémon. FIV 2004, Paris, 5-9 July 2004
• Study of the acoustic oscillations by flow over cavities. Part 1. Internal flows (PDF) X. Amandolese, P. Hémon, C. Regardin. IMECE 2002, New Orleans, November 17-22 2002
• Study of the acoustic oscillations by flow over cavities. Part 2. Sound reduction (PDF)  P. Hémon, X. Amandolese, F. Santi, J. Wojciechowski. IMECE 2002, New Orleans, November 17-22 2002