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Carlo Cossu


Research director (senior scientist) of the National Center for Scientific Rsearch (CNRS), France

Head of the Urban and Coastal Atmospheric Dynamics (DAUC) Team

Laboratory of Hydrodynamics, Energetics and Atmospheric Environment (LHEEA)

CNRS - Centrale Nantes

 


Journal articles45 documents

  • C. Cossu. Replacing wakes with streaks in wind turbine arrays. Wind Energy, Wiley, In press, ⟨10.1002/we.2577⟩. ⟨hal-02988738⟩
  • Pierluigi Morra, Onofrio Semeraro, Dan Henningson, Carlo Cossu. On the relevance of Reynolds stresses in resolvent analyses of turbulent wall-bounded flows. Journal of Fluid Mechanics, Cambridge University Press (CUP), 2019, 867, pp.969-984. ⟨10.1017/jfm.2019.196⟩. ⟨hal-02111454⟩
  • P Morra, O Semeraro, D Henningson, Carlo Cossu. Resolvent Analysis: With or Without Eddy Viscosity?. ERCOFTAC Bulletin, European Research Community on Flow, Turbulence And Combustion, 2019, 118, pp.20. ⟨hal-02348082⟩
  • Mathieu Marant, Carlo Cossu. Influence of optimally amplified streamwise streaks on the Kelvin–Helmholtz instability. Journal of Fluid Mechanics, Cambridge University Press (CUP), 2018, 838, pp.478-500. ⟨10.1017/jfm.2017.925⟩. ⟨hal-02042691⟩
  • Carlo Cossu, Yongyun Hwang. Self-sustaining processes at all scales in wall-bounded turbulent shear flows. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, Royal Society, The, 2017, 375 (2089), pp.20160088. ⟨hal-02042719⟩
  • Mathieu Marant, Carlo Cossu, Grégory Pujals. Optimal streaks in the wake of a blunt-based axisymmetric bluff body and their influence on vortex shedding. Comptes Rendus Mécanique, Elsevier Masson, 2017, 345 (6), pp.378-385. ⟨10.1016/j.crme.2017.05.010⟩. ⟨hal-02042706⟩
  • Subhandu Rawat, Carlo Cossu, François Rincon. Travelling-wave solutions bifurcating from relative periodic orbits in plane Poiseuille flow. Comptes Rendus Mécanique, Elsevier Masson, 2016, vol. 344 (n° 6), pp. 448-455. ⟨10.1016/j.crme.2015.12.005⟩. ⟨hal-01557352⟩
  • Yongyun Hwang, Ashley P. Willis, Carlo Cossu. Invariant solutions of minimal large-scale structures in turbulent channel flow for Reτ up to 1000. Journal of Fluid Mechanics, Cambridge University Press (CUP), 2016, vol. 802, pp. R1-1-R1-13. ⟨10.1017/jfm.2016.470⟩. ⟨hal-01392442⟩
  • Subhandu Rawat, Carlo Cossu, Yongyun Hwang, Francois Rincon. On the self-sustained nature of large-scale motions in turbulent Couette flow. Journal of Fluid Mechanics, Cambridge University Press (CUP), 2015, 782, pp.515-540. ⟨10.1017/jfm.2015.550⟩. ⟨hal-02042732⟩
  • Gerardo del Guercio, Carlo Cossu, Grégory Pujals. Optimal perturbations of non-parallel wakes and their stabilizing effect on the global instability. Physics of Fluids, American Institute of Physics, 2014, vol. 26, pp.024110-1-024110-14. ⟨10.1063/1.4866043⟩. ⟨hal-01011933⟩
  • Carlo Cossu. An Introduction to Optimal Control Lecture notes from the FLOW-NORDITA Summer School on Advanced Instability Methods for Complex Flows, Stockholm, Sweden, 2013. Applied Mechanics Reviews, American Society of Mechanical Engineers, 2014, 66 (2), pp.024801. ⟨hal-02042773⟩
  • Gerardo del Guercio, Carlo Cossu, Grégory Pujals. Stabilizing effect of optimally amplified streaks in parallel wakes. Journal of Fluid Mechanics, Cambridge University Press (CUP), 2014, vol. 739, pp. 37-56. ⟨10.1017/jfm.2013.619⟩. ⟨hal-01011323⟩
  • Johann Herault, A. Riols, F. Rincon, C. Cossu, G. Lesur, et al.. Global bifurcations to subcritical magnetorotational dynamo action in Keplerian shear flow. Journal of Fluid Mechanics, Cambridge University Press (CUP), 2013, 731, pp.1 - 45. ⟨10.1017/jfm.2013.317⟩. ⟨hal-01819668⟩
  • Carlo Cossu, Luca Brandt, Shervin Bagheri, Dan Henningson. Secondary threshold amplitudes for sinuous streak breakdown. Physics of Fluids, American Institute of Physics, 2011, 23 (7), pp.074103. ⟨10.1063/1.3614480⟩. ⟨hal-02042784⟩
  • Yongyun Hwang, Carlo Cossu. Self-sustained processes in the logarithmic layer of turbulent channel flows. Physics of Fluids, American Institute of Physics, 2011, vol. 23, ⟨10.1063/1.3599157⟩. ⟨hal-00913029⟩
  • Matteo Lombardi, Colm-Cille P. Caulfield, Carlo Cossu, Adriana I. Pesci, Raymond E. Goldstein. Growth and instability of a laminar plume in a strongly stratified environment. Journal of Fluid Mechanics, Cambridge University Press (CUP), 2011, vol. 671, pp. 184-206. ⟨10.1017/S0022112010005574⟩. ⟨hal-00910819⟩
  • Junho Park, Yongyun Hwang, Carlo Cossu. On the stability of large-scale streaks in turbulent Couette and Poiseulle flows. Comptes Rendus Mécanique, Elsevier Masson, 2011, vol. 339, pp. 1-5. ⟨10.1016/j.crme.2010.10.012⟩. ⟨hal-00915603⟩
  • Johann Herault, F. Rincon, C. Cossu, G. Lesur, G. Ogilvie, et al.. Periodic magnetorotational dynamo action as a prototype of nonlinear magnetic-field generation in shear flows. Physical Review E : Statistical, Nonlinear, and Soft Matter Physics, American Physical Society, 2011, 84 (3), ⟨10.1103/PhysRevE.84.036321⟩. ⟨hal-01819667⟩
  • Yongyun Hwang, Carlo Cossu. Amplification of coherent streaks in the turbulent Couette flow: an input-output analysis at low Reynolds number. Journal of Fluid Mechanics, Cambridge University Press (CUP), 2010, 643, pp.333-348. ⟨10.1017/s0022112009992151⟩. ⟨hal-01002542⟩
  • Yongyun Hwang, Carlo Cossu. Linear non-normal energy amplification of harmonic and stochastic forcing in the turbulent channel flow. Journal of Fluid Mechanics, Cambridge University Press (CUP), 2010, 664 (December), pp.51-73. ⟨10.1017/s0022112010003629⟩. ⟨hal-01020668⟩
  • Ashley P. Willis, Yongyun Hwang, Carlo Cossu. Optimally amplified large-scale streaks and drag reduction in the turbulent pipe flow. Physical Review E : Statistical, Nonlinear, and Soft Matter Physics, American Physical Society, 2010, vol. 82, pp. 036321-1-03621-11. ⟨10.1103/PhysRevE.82.036321⟩. ⟨hal-00937392⟩
  • Yongyun Hwang, Carlo Cossu. Self-sustained process at large scales in turbulent channel flow. Physical Review Letters, American Physical Society, 2010, vol. 105, pp. 1-4. ⟨10.1103/PhysRevLett.105.044505⟩. ⟨hal-00925804⟩
  • Gregory Pujals, Carlo Cossu, Sebastien Depardon. Forcing large-scale coherent streaks in a zero-pressure-gradient turbulent boundary layer. Journal of Turbulence, Taylor & Francis, 2010, 11 (25), pp.1-13. ⟨10.1080/14685248.2010.494607⟩. ⟨hal-01020663⟩
  • Grégory Pujals, Sébastien Depardon, Carlo Cossu. Drag reduction of a 3D bluff body using coherent streamwise streaks. Experiments in Fluids, Springer Verlag (Germany), 2010, 49 (5), pp.1085-1094. ⟨10.1007/s00348-010-0857-5⟩. ⟨hal-01020631⟩
  • Grégory Pujals, M. García-Villalba, Carlo Cossu, S. Depardon. A note on optimal transient growth in turbulent channel flows. Physics of Fluids, American Institute of Physics, 2009, 21 (1), pp.015109. ⟨10.1063/1.3068760⟩. ⟨hal-01021124⟩
  • Carlo Cossu, Gregory Pujals, Sebastien Depardon. Optimal transient growth and very large-scale structures in turbulent boundary layers. Journal of Fluid Mechanics, Cambridge University Press (CUP), 2009, 619, pp.79-94. ⟨10.1017/s0022112008004370⟩. ⟨hal-01002600⟩
  • Martin Hollands, Carlo Cossu. Adding streamwise streaks in the plane Poiseuille flow. Comptes Rendus Mécanique, Elsevier Masson, 2009, 337 (3), pp.179-183. ⟨10.1016/j.crme.2009.03.012⟩. ⟨hal-01021125⟩
  • J.R. Landel, Carlo Cossu, C.P. Caulfield. Spherical cap bubbles with a toroidal bubbly wake. Physics of Fluids, American Institute of Physics, 2008, 20 (12), pp.122101. ⟨10.1063/1.3026747⟩. ⟨hal-01022809⟩
  • F. Rincon, G. I. Ogilvie, M. R. E. Proctor, C. Cossu. Subcritical dynamos in shear flows. Astronomical Notes / Astronomische Nachrichten, Wiley-VCH Verlag, 2008, 329, pp.750. ⟨10.1002/ASNA.200811010⟩. ⟨hal-00392445⟩
  • Carlo Cossu, M. Chevalier, D.S. Henningson. Optimal secondary energy growth in a plane channel flow. Physics of Fluids, American Institute of Physics, 2007, 19 (5), pp.058107. ⟨10.1063/1.2736678⟩. ⟨hal-01023335⟩
  • F. Rincon, G. I. Ogilvie, C. Cossu. On self-sustaining processes in Rayleigh-stable rotating plane Couette flows and subcritical transition to turbulence in accretion disks. Astronomy and Astrophysics - A&A, EDP Sciences, 2007, 463, pp.817-832. ⟨10.1051/0004-6361:20066544⟩. ⟨hal-00288791⟩
  • Carlo Cossu, Jens H.M Fransson, Alessandro Talamelli, Luca Brandt. Delaying Transition to Turbulence by a Passive Mechanism. Physical Review Letters, American Physical Society, 2006, 96, pp.064501. ⟨hal-00020149⟩
  • J.H.M. Fransson, A. Talamelli, L. Brandt, Carlo Cossu. Delaying transition to turbulence by a passive mechanism. Physical Review Letters, American Physical Society, 2006, 96 (6), pp.064501. ⟨10.1103/physrevlett.96.064501⟩. ⟨hal-01023352⟩
  • J.H.M. Fransson, L. Brandt, A. Talamelli, Carlo Cossu. Experimental study of the stabilization of Tollmien-Schlichting waves by finite amplitude streaks. Physics of Fluids, American Institute of Physics, 2005, 17 (5), pp.054110-054110-15. ⟨10.1063/1.1897377⟩. ⟨hal-01023377⟩
  • E. Lauga, Carlo Cossu. A note on the stability of slip channel flows. Physics of Fluids, American Institute of Physics, 2005, 17 (8), pp.088106. ⟨10.1063/1.2032267⟩. ⟨hal-01023375⟩
  • Carlo Cossu. An optimality condition on the minimum energy threshold in subcritical instabilities. Comptes Rendus Mécanique, Elsevier Masson, 2005, 333 (4), pp.331-336. ⟨10.1016/j.crme.2005.02.002⟩. ⟨hal-01023376⟩
  • J.H.M. Fransson, L. Brandt, A. Talamelli, Carlo Cossu. Experimental and theoretical investigation of the nonmodal growth of steady streaks in a flat plate boundary layer. Physics of Fluids, American Institute of Physics, 2004, 16 (10), pp.3627-3638. ⟨10.1063/1.1773493⟩. ⟨hal-01024954⟩
  • Carlo Cossu, L. Brandt. On Tollmien-Schlichting-like waves in streaky boundary layers. European Journal of Mechanics - B/Fluids, Elsevier, 2004, 23 (6), pp.815-833. ⟨10.1016/j.euromechflu.2004.05.001⟩. ⟨hal-01024941⟩
  • L. Brandt, Carlo Cossu, Jean-Marc Chomaz, Patrick Huerre, D.S. Henningson. On the convectively unstable nature of optimal streaks in boundary layers. Journal of Fluid Mechanics, Cambridge University Press (CUP), 2003, may (485), pp.221-242. ⟨10.1017/s0022112003004427⟩. ⟨hal-01024920⟩
  • Carlo Cossu, L. Brandt. Stabilization of Tollmien-Schlichting waves by finite amplitude optimal streaks in the Blasius boundary layer. Physics of Fluids, American Institute of Physics, 2002, 14 (8), pp.L57-L60. ⟨10.1063/1.1493791⟩. ⟨hal-01024915⟩
  • D. Fabre, Carlo Cossu, L. Jacquin. Spatio-temporal development of the long and short-wave vortex-pair instabilities. Physics of Fluids, American Institute of Physics, 2000, 12 (5), pp.1247-1250. ⟨10.1063/1.870375⟩. ⟨hal-01025368⟩
  • Carlo Cossu, Jean-Marc Chomaz, Patrick Huerre, M. Costa. Maximum spatial growth of Görtler vortices. Flow, Turbulence and Combustion, Springer Verlag (Germany), 2000, 65 (41002), pp.369-392. ⟨10.1023/a:1011489309543⟩. ⟨hal-01025362⟩
  • Carlo Cossu, L. Morino. On the instability of a spring-mounted circular cylinder in a viscous flow at low reynolds numbers. Journal of Fluids and Structures, Elsevier, 2000, 14 (2), pp.183-196. ⟨10.1006/jfls.1999.0261⟩. ⟨hal-01025365⟩
  • Carlo Cossu, J. Chomaz. Global Measures of Local Convective Instabilities. Physical Review Letters, American Physical Society, 1997, 78 (23), pp.4387-4390. ⟨hal-02042814⟩
  • Carlo Cossu, L Morino. A vorticity-only formulation and a low-order asymptotic expansion solution near Hopf bifurcation. Computational Mechanics, Springer Verlag, 1997, 20, ⟨10.1007/s004660050243⟩. ⟨hal-02042797⟩

Conference papers29 documents

  • Sajjad Azimi, Carlo Cossu, Tobias Schneider. Invariant solutions of the filtered Navier-{S}tokes equations representative of large-scale motions in the asymptotic suction boundary layer flow. 17th European Turbulence Conference, Politecnico di Torino, Sep 2019, Torino, Italy. ⟨hal-02868798⟩
  • Carlo Cossu. On the self-sustained nature of Townsend's attached eddies in wall-bounded turbulent flows: (Keynote lecture). Workshop on Scientific Computing across scales., Fields Institute For Research In Mathematical Sciences, Apr 2019, Toronto, Canada. ⟨hal-02868821⟩
  • Sajjad Azimi, Carlo Cossu, Tobias Schneider. Exact invariant solutions in the near-wall region of boundary layer turbulence at high Reynolds numbers. 12th European Fluid Mechanics Conference (EFMC12), TU-Wien, Sep 2018, Wien, Austria. ⟨hal-02868851⟩
  • Sajjad Azimi, Carlo Cossu, Tobias Schneider. Exact invariant solutions in the near-wall region of boundary layer turbulence. APS March Meeting, American Physical Society (APS), Mar 2018, Los Angeles (CA), United States. ⟨hal-02868875⟩
  • Mathieu Marant, Carlo Cossu. Nonlinear second-order sensitivity and influence of optimally forced streaks on the Kelvin-Helmholtz instability. 13th ERCOFTAC SIG 33 Workshop: Progress in Flow Instability, Transition and Control, Mar 2018, Paraty (RJ), Brazil. ⟨hal-02868887⟩
  • Mathieu Marant, Carlo Cossu, Gregory Pujals. Stries optimales et réduction des instationnarités dans un sillage tridimensionnel. 23ème Congrès Français de Mécanique, Association française de Mécanique (AFM), Aug 2017, Lille, France. ⟨hal-02869079⟩
  • Carlo Cossu. Large-Eddy Exact Coherent Structures for Wall-Bounded Turbulent Shear Flows. Conference on Recurrence, Self-Organization, and the Dynamics Of Turbulence, Kavli Institute for Theoretical Physics (KITP), University of California at Santa Barbara, Jan 2017, Santa Barbara (CA), United States. ⟨hal-02868936⟩
  • Carlo Cossu. Second order sensitivity, Ginzburg-Landau equation and the stabilizing mechanism of streaks on 2D absolute and global instabilities. 12th ERCOFTAC SIG 33 Workshop Progress in Flow Instability, Transition and Control, Jun 2017, Pontignano, Italy. ⟨hal-02868906⟩
  • Mathieu Marant, Carlo Cossu, Gregory Pujals. Optimal streaks in the wake of a blunt-based axisymmetric bluff-body and control of vortex shedding. 12th ERCOFTAC SIG 33 Workshop Progress in Flow Instability, Transition and Control, Jun 2017, Pontignano, Italy. ⟨hal-02868919⟩
  • Subhandu Rawat, Carlo Cossu, François Rincon. Exact Invariant Solutions for Coherent Turbulent Motions in Couette and Poiseuille Flows. 24th International Congress of Theoretical and Applied Mechanics (ICTAM), IUTAM, Aug 2016, Montréal, Canada. pp.94-98, ⟨10.1016/j.piutam.2017.03.013⟩. ⟨hal-02869020⟩
  • Cécile Pastor, Romain Mathis, Sébastien Cazin, Moïse Marchal, Carlo Cossu. Caractérisation par grands champs PIV de la croissance transitoire de stries cohérentes à grande échelle forcées dans une couche limite turbulente. Congrès Francophone de Techniques Laser, CFTL 2016,, ONERA, Sep 2016, Toulouse, France. ⟨hal-02869034⟩
  • Yongyun Hwang, Ashley P. Willis, Carlo Cossu. Traveling wave solutions of large-scale structures in turbulent channel flow at Reτ = 1000. DFD16 Meeting of The American Physical Society, American Physical Society (APS), Nov 2016, Portland, United States. ⟨hal-02869094⟩
  • Subhandu Rawat, Jae Sung Park, Michael D. Graham, Carlo Cossu. Large-eddy exact coherent solutions (LECS) in the turbulent channel. 16th European Turbulence Conference, KTH, Aug 2016, Stockholm, Sweden. ⟨hal-02868944⟩
  • Subhandu Rawat, Carlo Cossu, Yongyun Hwang, Francois Rincon. Exact coherent solutions for the filtered large scale motions in turbulent Couette flow. EuroMech Colloquium 568 Coherent structures in fully developed turbulence, School of Aeronautics, Univerdidad Politècnica Madrid, May 2015, Madrid, Spain. ⟨hal-02869100⟩
  • Muhammad Ehtisham Siddiqui, Benoît Pier, Mukund Vasudevan, Julian F. Scott, Carlo Cossu, et al.. Transition and control in rotating-disk boundary-layer. Euromech Fluid Mechanics Conference 8, Sep 2010, Bad Reichenhall, Germany. ⟨hal-00632327⟩
  • Carlo Cossu, G. Pujals, S. Depardon. Coherent streaky structures and optimal perturbations of turbulent boundary layers. 12th EUROMECH European Turbulence Conference, Sep 2009, Marburg, Germany. pp.573-576, ⟨10.1007/978-3-642-03085-7-137⟩. ⟨hal-01025992⟩
  • Carlo Cossu, Mattias Chevalier, Dan S. Henningson. Secondary optimal growth and subcritical transition in the plane Poiseuille flow. Seventh Iutam Symposium On Laminar-turbulent Transition, Jun 2009, Stockholm, Sweden. pp.129-134, ⟨10.1007/978-90-481-3723-7_19⟩. ⟨hal-01025984⟩
  • Y. Hwang, Carlo Cossu. Optimal amplification of large scale streaks in the turbulent Couette flow. 12th EUROMECH European Turbulence Conference, Sep 2009, Marburg, Germany. pp.645-648, ⟨10.1007/978-3-642-03085-7-155⟩. ⟨hal-01025999⟩
  • A. P. Willis, Y. Hwang, Carlo Cossu. Coherent structures in fully-developed pipe turbulence. 19ème Congrès Francais de Mécanique, Aug 2009, Marseille, France. 5 p. ⟨hal-01053652⟩
  • Grégory Pujals, Carlo Cossu, Sebastien Depardon. Optimal Transient Growth and Very Large-Scale Structures in Zero-Pressure Gradient Turbulent Boundary Layers. 6th International Conference on Turbulence and Shear Flow Phenomena (TSFP-6), Jun 2009, Seoul, South Korea. ⟨hal-01053667⟩
  • Yongyun Hwang, Carlo Cossu. Optimal amplification of large-scale structures in plane turbulent couette flow. 6th International Conference on Turbulence and Shear Flow Phenomena (TSFP-6), Jun 2009, Seoul, South Korea. pp.159-164. ⟨hal-01058597⟩
  • Carlo Cossu, M.P. Chevalier, D.S. Henningson. Optimal secondary growth and transition in a plane channel flow. 11th EUROMECH European Turbulence Conference, Jun 2007, Porto, Portugal. pp.136-137, ⟨10.1007/978-3-540-72604-3_42⟩. ⟨hal-01026017⟩
  • Carlo Cossu, L. Brandt, J.H.M. Fransson, A. Talameli. Using non-normality for passive laminar flow control. European Consortium for Mathematics in Industry 2006, Jul 2006, Leganes, Spain. pp.139-145, ⟨10.1007/978-3-540-71992-2_9⟩. ⟨hal-01026013⟩
  • J.H.M. Fransson, A. Talamelli, L. Brandt, Carlo Cossu. Experimental analysis of transition delay by means of roughness elements. 36th AIAA Fluid Dynamics Conference, Jun 2006, San Francisco, United States. pp.1464-1478. ⟨hal-01026021⟩
  • Carlo Cossu. Comment utiliser une instabilité transitoire pour repousser une instabilité exponentielle. Séminaire du PMMH à l'ESPCI, 2005, Paris, France. ⟨hal-00018158⟩
  • J.H.M. Fransson, Lucas Brandt, A. Talamelli, Carlo Cossu. Transition delay by means of a passive mechanism. Bulletin of the American Physical Society, 2005, Chicago, United States. pp.vol. 50. ⟨hal-00017843⟩
  • Carlo Cossu. Stabilizing by streaks: how to use a transient instability to delay transition. Annual fundamentals of fluid flow meeting, 2005, Cambridge, United Kingdom. ⟨hal-00017961⟩
  • Carlo Cossu, M. Chevalier, Dan S. Henningson. Secondary optimal growth in channel flows. Bulletin of the American Physical Society, 2005, Chicago, United States. pp.vol. 50. ⟨hal-00017838⟩
  • Carlo Cossu, Jean-Marc Chomaz, M Costa. Maximum growth of Gortler vortices. IUTAM Symposium, Sep 1999, Sedona, United States. pp.511-516. ⟨hal-01026063⟩

Book sections3 documents

  • L. Brandt, Carlo Cossu, D.S. Henningson, Jean-Marc Chomaz, Patrick Huerre. Numerical studies of streak instability in boundary layers. Rama Govindarajan. IUTAM Symposium on Laminar-Turbulent Transition, 78 (-), Springer, pp.121-126, 2006, Fluid Mechanics and Its Applications, 978-1-4020-3459-6. ⟨hal-01023364⟩
  • J.H.M. Fransson, L. Brandt, A. Talamelli, Carlo Cossu. Experimental study of the stabilization of tollmien-schlichtingwaves by finite amplitude streaks. Rama Govindarajan. IUTAM Symposium on Laminar-Turbulent Transition, 78 (-), Springer, pp.299-304, 2006, Fluid Mechanics and Its Applications, 978-1-4020-3459-6. ⟨10.1007/1-4020-4159-4_41⟩. ⟨hal-01023357⟩
  • Carlo Cossu. Non-linear optimal perturbations in subcritical instabilities. Tom Mullin, Rich Kerswell. IUTAM Symposium on Laminar-Turbulent Transition and Finite Amplitude Solutions, 77 (-), Springer, pp.251-266, 2005, Fluid Mechanics and its Applications, 978-1-4020-4048-1. ⟨10.1007/1-4020-4049-0_14⟩. ⟨hal-01024964⟩