Center for Nonlinear Studies Workshop

Progress in Statistical Hydrodynamics

sponsored by Los Alamos National Laboratory 
March 25-29 2002


Schedule

ABSTRACTS


 

                       All sessions will be held in the Radisson hotel, Santa Fe

Monday, Mar 25, 2002

 8:00am         Registration Opens
 9:00 9:15       Welcome  Hans Frauenfelder (CNLS director)

Scalar Turbulence. Chair:  D. Fisher (Harvard)

9:15  10:00  G. Falkovich (Weizmann)  Review ``Passive, active and emancipated scalars"
10:00 10:35 P. Constantin (Chicago)
       Break 10:35 10:50
10:50 11:25  A. Kupiainen (Helsinki)      ``Lagrangian dispersion in gaussian self-similair velocities"
11:25 11:45 E. Balkovsky (Rutgers)     (20 min)   ``Instanton approach in scalar turbulence"
11:45 12:05 A. Fouxon (Weizmann)      (20 min) ``Collision rate of water droplets in a cloud"
       Lunch Break     12:05    2:00pm
2:00  3:00     Discussions

Wave Turbulence. Chair: J. Cardy (Oxford)

3:00 3:45  V. Zakharov (Tucson)  Review   ``New results in weak turbulence"
        Break  3:45 4:00
4:00 4:35  S. Putterman (UCLA)  ``Is wave turbulence as challenging as vortex turbulence?"
4:35 5:10  W. Goldburg (Pittsburg)          ``Turbulence on a free surface"
5:10  5:30 O. Zaboronskii (Warwick) (20 min) ``On Intemittency in Stochastic Aggregation"
5:30 6:10    Discussions



Tuesday, Mar 26, 2002

New perspectives in Turbulence Experiment. Chair:  R. Ecke (LANL)

9:00 9:45 K. Sreenivasan (Maryland & Yale) - Review ``The Impact of Using Low Temperature Fluids on Classical Turbulence  Research"
9:45  10:20 E. Bodenschatz (Cornell) ``Acceleration Measurements in Turbulence with and without Polymers"
10:20 10:55 J. Katz (Johns Hopkins)  ``Experimental Techniques in Turbulence Measurements: Recent Advances and Future Challenges"
        Break  10:55 11:10
11:10 11:45 H. Swinney (Austin)     ``Scaling in 2D and 3D turbulence in a rotating annulus"
11:45 12:20 P. Tabeling (Paris)                 ``Experiments on turbulent dispersion"
        Lunch Break  12:20   2:00pm
2:00  2:35 V. Steinberg (Weizmann)  ``Elastic turbulence and polymer stretching in polymer solution flows."
2:35 2:55 A. Groisman (CalTech)     (20 min) ``Elastic turbulence in polymer solutions at low Reynolds numbers -
                                                        a realization of the Batchelor regime of mixing"
2:55 3:30   Z. Warhaft (Cornell)        ``Anisotropy of inertial and dissipation-scale statistics in high Reynolds number turbulence"
3:30 3:50   B. Tao (Johns Hopkins) (20 min) ``Characterizing the structures of turbulence by using holographic PIV measurements"
        Break 3:50  4:05
4:05 4:40   J.-F. Pinton (Lyon)           ``Lagrangian velocity measurement in fully developped turbulence"
4:40 5:15 M. Rivera (LANL)     ``The effects of external drag on the direct cascade of two dimensional turbulence"
5:15  6:15   Discussions
7:00 Workshop Banquet    Radisson Inn restaurant



Wednesday, Mar 27, 2002

Navier-Stokes Turbulence. Chair:    P. Hohenberg (Yale)

9:00 9:45 U. Frisch (Nice)  "A review of Navier-Stokes turbulence with emphasis on
                                          multifractality and finite-time singularities: what is the evidence and do we need them?"
9:45 10:05 R. Kraichnan (Santa Fe)     "Remarks on cascade and the growth of intermittency"
10:05 10:40  B. Shraiman (Lucent)    ``Lagrangian Tetrads and Statistical Geometry of Turbulence"
        Break 10:40  10:55
10:55 11:30 A. Pumir (Nice)                   ``The Lagrangian view of energy transfer in turbulent flows"
11:30 12:05 C. Meneveau (Johns Hopkins) "Dynamics and statistics of velocity gradients in  spatially filtered turbulence"
         Lunch Break 12:05 2:00pm
2:00 2:35 R. Kerr (Tucson)          ``A vorticity surge and helicity"
2:35 3:10 M. Nelkin (NYU) ``Tuning Intermittency, or how can we slightly change the
                                         Navier-Stokes equations to make Kolmogorov 1941 exact?"
3:10 4:10  Discussions
         Break  4:10  4:25

Shell Models. Chair:   D. Stein (Tucson)

4:25 5:10 L. Biferale (Rome)   Review ``Shell Models for Turbulence"
5:10 5:45 I. Procaccia (Weizmann) "Statistically Preserved Structures in Passive and Active
                                         Scalar Advection: Shell Models, Operators and Zero Modes"
5:45 6:05  Q. Chen (Johns Hopkins) (20 min)  ``A Gibbs Hypotesis in Turbulence"
6:05 6:45           Discussions



Thursday, Mar 28, 2002

Burgulence. Chair: T. Spencer (IAS)

9:00 - 9:45 K. Khanin (Cambridge) - Review  ``Global structure of shocks in Burgers turbulence"
9:45 10:05 E. Vanden-Eijnden (Courant) (20 min) ``Statistical Theory for the Stocahstic Burgers Equation in the Inviscid Limit"
10:05 10:25 J.  Beck (Nice)   (20 min)  ``Hyperbolicity and Statistics in forced Burgers turbulence"
10:25 11:00 I. Kolokolov (Novosibirsk)  "Spatio-temporal intermittency in thermally activated Burgers turbulence"
        Break   11:00 11:15
11:15 11:50 E. Ben-Naim (LANL)    "Granular Gases: Scaling, multiscaling, nontrivial exponents, and Burgers' shocks"
11:50 12:25  Discussions
          Lunch Break  12:35 2:15pm

MHD and other Complex Turbulences. Chair:  G. Eyink (Tucson)

2:15-3:00 A. Pouquet (NCAR) - Review ``Some issues in Geophysical Turbulence"
3:00 3:35 M. Vergassola  (Nice)  - ``Kinematic Dynamo Theory"
3:35 3:55   S. Boldyrev (UCSB) (20 min) "Turbulent structure of star-forming molecular clouds"
        Break 3:55 4:10
4:10 4:45  V. Lebedev (Moscow)  ``Turbulence of Polymer Solutions"
4:45 5:20 M. Hastings (LANL) - DLA Turbulence
5:20  6:20  Discussions



Friday, Mar 29, 2002

New Results from Direct Numerical Simulations. Chair: A. Patashinski (NorthWestern)

9:00  9:45 S. Chen (Johns Hopkins) - Review  ``Direct Numerical Simulation of  Isotropic Turbulence"
9:45 10:20 T. Gotoh (Nagoya)    ``Inertial range statistics in homogeneous steady turbulence by DNS"
10:20 10:40 A. Lanotte (CNR/ISAC, Italy) ``Direct Numerical Simulations of Anisotropic Turbulence"
           Break 10:40 11:05
11:05 11:20 T. Matsumoto (Kyoto) 20 min ``A numerical search for a singularity of 2D inviscid Boussinesq approximation equation"
11:25  12:05  Discussions
           Lunch Break   12:05  2:00pm

New ideas in LES.   Chair: L. Kadanoff (Chicago)

2:00 2:45 J.A. Domaradzki (USC)- Review    ``Modern methods for large eddy simulations of turbulent flows"
2:45 3:20 E. Titi (UC Irvine)  ``The Navier-Stokes-alpha model and  Turbulence Theory"
           Break  3:20  3:35
3:35  4:10 T. Clark (LANL)   ``Self-Similarity of the Turbulent Rayleigh-Taylor Mixing Layer"
4:10  4:30 B. Kosovic (Boulder) 20 min ``A two-parameter spectral turbulence closure"
4:30 5:20  Discussions


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