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Flow Transition and Turbulence Short Course
Posted Mon November 10, 2008 @12:51PM
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Announcements The Department of Mathematics at the University of Texas at Arlington will host a short course on Flow Transition and Turbulence - Physical Nature and High Order Direct Numerical Simulation on May 11-15, 2009.

The course's Principal Lecturer will be Yury S. Kachanov, PhD, of the Institute of Theoretical and Applied Mechanics, Siberian Branch of the Russian Academy of Sciences. Prof. Kachanov discovered the C-type flow transition by experiment and is a worldwide recognized authority on flow transition and turbulence.


Sponsor CFD Review

The course will consist of three parts covering the physical nature of turbulence and a discussion and practice of numerical simulation.

Part I Physical Nature - Turbulence Origin in Boundary-Layer Flows, Predominant Mechanisms and Applications (Yury S. Kachanov)

1) Introduction
2) What is turbulence? The problem of its definition and the solution of this problem.
3) Turbulence origin and its practical significance.
4) Transition scenarios and characteristic stages.
5) Classes and types of instability of laminar boundary layers.
6) Basic ideas of experimental approaches to the transition and turbulence researches.
7) Three bright examples of flow instabilities.
8) Boundary-layer receptivity to various external perturbations.
9) Three bright examples of the boundary-layer receptivity problems.
10) Nonlinear interactions of instability modes. Role of resonances.
11) Formation of vortical structures at late stages of turbulence origin and their universality.
12) Turbulence production mechanisms in transitional and turbulent flows and their similarity.
13) Deterministic turbulence Ė myth or reality?
14) Transition prediction approaches.
15) Control of boundary layer transition.
16) Control of turbulent boundary layers.
17) Concluding remarks.

Part II Direct Numerical Simulation for Flow Transition (Chaoqun Liu)
1) Governing equations of fluid motion
2) Detailed conservative Navier-Stokes equation in a curvilinear coordinate
3) Orthogonal body-fitted grid generation
4) High order compact scheme and filter
5) High order formula for boundary grid points
6) Runge-Kutta and implicit time marching
7) Universal high order subroutine for conservation and accurate numerical derivatives
8) MPI parallel computation
9) Numerical examples of flow transition

Part III DNS Code Practice (Chaoqun Liu)

Class seats are very limited and early registration is encouraged. For more information, please contact:

Prof. Chaoqun Liu
Department of Mathematics
456 PKH, 411 S. Nedderman, Box 19408
University of Texas at Arlington
Arlington, TX 76019-0408, USA
Email: cliu@uta.edu
Phone: 817-272-5151
Fax: 817-272-5802
Web Link: http://www.uta.edu/math/courses/FTT09/

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