MARGNAT Florent

Senior Scientist @ Institut Pprime
Departement of Fluids, Thermal Science & Combustion

Assistant Professor @ The University of Poitiers
Ecole Nationale Supérieure d’Ingénieurs de Poitiers

CNRS-Université de Poitiers-ISAE ENSMA
11 Boulevard Marie et Pierre Curie
Téléport 2, BP 30179
86962 Futuroscope Cédex
France

Recherche


Aeroacoustic Prediction, Analysis & Modeling

Numerical simulations of unsteady aerodynamics / body flows

Enseignement


– Fluid Mechanics

Acoustics

Numerical methods

Turbomachinery

Séléction de publications


PINTO W. J. G. S., MARGNAT F., GERVAIS Y., Influence of cross-section on the aeolian tone: a numerical study in the laminar regime, 25nd AIAA/CEAS Aeroacoustics Conference, Aeroacoustics Conferences, AIAAPaper, (Delft, The Netherlands), May 2019.

PINTO W. J. G. S., MARGNAT F., GERVAIS Y., Effect of cross-section on flow three-dimensionality for prismatic bodies and the associated noise emission, 25nd AIAA/CEAS Aeroacoustics Conference, Aeroacoustics Conferences, AIAAPaper, (Delft, The Netherlands), May 2019.

PINTO W. J. G. S., MARGNAT F., Influence of bluff body sectional breadth and shape on the onset of flow unsteadiness, submitted to PHYSICS OF FLUIDS, 2019.

PINTO W. J. G. S., MARGNAT F., Measurements of spanwise coherence in flow around prismatic bluff bodies, submitted to JOURNAL OF FLUIDS AND STRUCTURES, 2019.

PINTO W. J. G. S., MARGNAT F., A shape optimization procedure for cylinders aeolian tone, submitted to COMPUTERS & FLUIDS, 2019. https://hal.archives-ouvertes.fr/hal-01844771/

PINTO W. J. G. S., MARGNAT F., Shape optimisation for the noise induced by the flow over
compact bluff bodies
,
10th International Conference on Computational Fluid Dynamics, (Barcelona, Spain), July 2018.

MARGNAT F., IOANNOU V., LAIZET S., A diagnostic tool for jet noise using a line-source
approach and Implicit Large-Eddy Simulation data
,
Comptes Rendus Mécanique, vol. 346, pp. 903-918, 2018. https://doi.org/10.1016/j.crme.2018.07.007

MARGNAT F., GLOERFELT X., Analysis of hydrodynamic and acoustic events in a turbulent boundary layer using a direct noise simulation database, 22nd AIAA/CEAS Aeroacoustics Conference, Aeroacoustics Conferences, AIAA Paper 2016-2750, (Lyon, France), June 2016.

MARGNAT F., Hybrid prediction of the aerodynamic noise radiated by a rectangular cylinder at incidence, COMPUTERS & FLUIDS, vol. 109, pp. 13-26, 2015. https://doi.org/10.1016/j.compfluid.2014.12.006

SERRE R., ROBINET J.-C., MARGNAT F., The influence of a pressure wavepacket’s characteristics on its acoustic radiation, JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, vol. 137, pp. 3178-3189, 2015. http://dx.doi.org/10.1121/1.4921031

GLOERFELT X., MARGNAT F., Effect of Mach number on boundary layer noise, 20th AIAA/CEAS Aeroacoustics Conference, 16-20 June 2014.

MARGNAT F., GLOERFELT X., On compressibility assumptions in aeroacoustic integrals: A numerical study with subsonic mixing layers, JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, vol. 135, pp. 3252-3263, 2014. http://dx.doi.org/10.1121/1.4875561

ZAARAOUI A., RAVELET F., MARGNAT F., KHELLADI S., High accuracy volume flow rate measurement using vortex counting, FLOW MEASUREMENT AND INSTRUMENTATION, vol. 33, pp. 138-144, 2013.

MOSER C., LAMBALLAIS E., MARGNAT F., FORTUNE V., GERVAIS Y., Numerical study of Mach number and thermal effects on sound radiation by a mixing layer, INTERNATIONAL JOURNAL OF AEROACOUSTICS, vol. 11, pp. 555-579, 2012. https://doi.org/10.1260/1475-472X.11.5-6.555

OBIKANE Y., MARGNAT F., A morphological approach to the aero-acoustic fields of a flute with density gradient correlation, in 20th AIAA Computational Fluid Dynamics Conference, AIAA Paper 2011-3683, (Honolulu, Hawaii), June 2011.

MARGNAT F., FORTUNE V., An iterative algorithm for computing aeroacoustic integrals with application to the analysis of free shear flow noise, JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, vol. 128, pp. 1656-1667, 2010. http://dx.doi.org/10.1121/1.3466986

MARGNAT F., A fast procedure for computations of acoustic fields given by retarded-potential integrals, in 16th AIAA/CEAS Aeroacoustics Conference, AIAA Paper 2010-3708, (Stockholm, Sweden), June 2010.

MARGNAT F., MORINIERE V., Behaviour of an immersed boundary method in unsteady flows over sharp-edged bodies, COMPUTERS & FLUIDS, vol. 38, pp. 1065-1079, 2009. https://doi.org/10.1016/j.compfluid.2008.09.013

MARGNAT F., Retarded-time source field analysis of vortex-pairing noise, in International Conference on Acoustics NAG / DAGA, (Rotterdam, Holland), March 2009.

MARGNAT F., FORTUNÉ V., JORDAN P., GERVAIS Y., Analysis of free shear flow noise through a decomposition of the Lighthill source term, in 5th International Conference on Computational Fluid Dynamics, ICCFD5, (Seoul, South Korea), July 2008.

MARGNAT F., MORINIERE V., GERVAIS Y., Noise Radiated by Flow Impingement on a Flat Plate Using DNS with a Virtual Boundary Method, INTERNATIONAL JOURNAL OF AEROACOUSTICS, vol. 4(1), pp. 117-134, 2005. https://doi.org/10.1260/1475472053730101