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Research Activities > Programs > Incompressible Flows 2006

Analytical and Computational Challenges of
Incompressible Flows at High Reynolds Number

Oct 23 - Oct 26, 2006

CSIC Building (#406), Seminar Room 4122.
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Due to space limitations, please register/RSVP at /programs/inc06/rsvp.htm

(Due to the large number of applications for the workshop on Incompressible Flows at High Reynolds Number (October 23-26), we regret that RSVP is now closed to new applicants.)





Peter Constantin University of Chicago
Thomas Hou California Institute of Technology
Jian-Guo Liu University of Maryland
Eitan Tadmor University of Maryland


High Reynolds number flow is a classical research theme that retains its vitality  at several levels, from real-world applications, through physical  and  computational modeling, up to rigorous mathematical analysis. There are two reasons for the continued relevance of this topic. The first is the ubiquity  of such flows in situations of practical interest, such as blood flow in  large caliber vessels, fluid-structure interaction, aerodynamics, geophysical and astrophysical flow modeling. The second issue is that, despite of half a  century of vigorous efforts, there is still a lack of systematic understanding  how different scales interact to form the inertial range from a smooth initial condition. The description of the behavior of solutions of the Navier-Stokes equations at high Reynolds number is at the heart of the problem, and surprisingly, mathematical analysis seems to be a promising route for gaining insight. Is singularity formation of incompressible flows at high Reynolds number necessary for the formation of the inertial range in a turbulent flow? or is the dynamical generation of extremely small but finite scales sufficient for this purpose? The choice of the singularity problem for the incompressible  Navier-Stokes equation as one of the seven Millennium prize problems highlights the fundamental role that mathematical analysis may yet play in this subject, while attesting to the quality of the mathematical challenge posed by problems in this area.

This is the second CSCAMM workshop on this topic, following our Spring 2004 meeting.

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  • to examine the ongoing research on the mathematical analysis of incompressible flows;
  • to identify promising avenues of research;
  • to formulate a number of problems that are at once tractable and have potential to provide further insight into the nature of high Reynolds number flows.

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This field has seen substantial progress in several independent directions. Let us cite a few prominent examples: the understanding of the interplay between the local geometric properties of the vorticity field and vortex stretching, the use of the Kato method applied to the Navier-Stokes equations in identifying critical spaces for well-posedness, the solution of the water wave problem and related research on interfacial dynamics, the mathematical understanding of the problem of boundary layers. A wide variety of methods have been employed, from classical functional analysis and operator theory to modern harmonic analysis and geometric measure theory.

Several interesting problems remain open. Beyond the singularity problem we highlight the uniqueness of weak solutions with p-th power integrable  vorticity, existence of weak solutions with vortex sheet initial data for  the two dimensional ideal flow equations and the convergence of the  vanishing viscosity approximation in the presence of boundaries. This workshop is intended as a forum where the recent progress is examined from the point of view of understanding the large time behavior of the incompressible  flows at high Reynolds number. The participants will include a representative sample of researchers active in the field of mathematical analysis of incompressible flows, together with a few specialists in fluid dynamics.

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A limited amount of funding for participants at all levels is available, especially for researchers in the early stages of their career who want to attend the full program.

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University of Paris VII
University of Wyoming
University of North Carolina at Charlotte
University of Maryland
University of Texas at Austin
University of California, Los Angeles
Sungkyunkwan University
University of Chicago
Consejo Superior de Investigaciones Cientificas (CSIC)
University of Maryland
University of Maryland
University of Maryland
Johns Hopkins University
Princeton University
University of Maryland
Consejo Superior de Investigaciones Cientificas (CSIC)
Imperial College London
University of Maryland
University of Colorado
California Institute of Technology
New York University
Oklahoma State University
University of Warwick
University of Wisconsin
University of Maryland
Peking University
New York University
University of Maryland
University of Maryland
Johns Hopkins University
Universidade Estadual de Campinas (UNICAMP)
Kyoto University
Steklov Institute of Mathematics
University of California Santa Barbara
New Jersey Institute of Technology
Lawrence Berkeley National Laboratory
University of Maryland
University of California Irvine and Weizamnn Institute of Science
Florida State University
University of California, Los Angeles
Rutgers University and Weizmann Institute of Science
University of Maryland


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CSCAMM Visitor Guide: home.cscamm.umd.edu/visitors


Center for Scientific Computation And Mathematical Modeling (CSCAMM)
Computer Science Instructional Center (Building #406)
University of Maryland, College Park
College Park, MD 20742-3289


Web: /programs/inc06


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