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Turbulent flow modeling using a fast, parallel, vortex tube and sheet method
P. S. Bernard1 ; A. A. Dimas2 ; J. P. Collins2
1 Department of Mechanical Engineering, University of Maryland, College Park, MD 20742
2 Krispin Technologies, Inc., 1370 Piccard Drive, Suite 210, Rockville, MD 20850
ESAIM. Proceedings, Tome 7 (1999), pp. 46-55 Cet article a éte moissonné depuis la source EDP Sciences

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Vortex methods, particularly when regarded as a gridfree technique for large eddy simulation, represent a promising new alternative for modeling high Reynolds number, turbulent, engineering flows. To be successful, equal consideration must be given to efficiency and accuracy. Thus, the requisite number of vortex elements in the calculation should be kept to a minimum, though without sacrificing the essential flow physics. Moreover, it is necessary to incorporate a fast method for calculating the velocities due to many vortex elements from the Biot-Savart law, e.g. through use of a parallel implementation of the Fast Multipole method (Greengard and Rokhlin 1987). This paper describes our recent efforts in developing a vortex method with these capabilities. A brief discussion of some of the principal features of the method will be followed by a presentation of some preliminary results in modeling high Reynolds number flow past a 6:1 prolate spheroid.
DOI : 10.1051/proc:1999005

P. S. Bernard 1 ; A. A. Dimas 2 ; J. P. Collins 2

1 Department of Mechanical Engineering, University of Maryland, College Park, MD 20742
2 Krispin Technologies, Inc., 1370 Piccard Drive, Suite 210, Rockville, MD 20850 
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     title = {Turbulent flow modeling using a fast, parallel, vortex tube and sheet method},
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     doi = {10.1051/proc:1999005},
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P. S. Bernard; A. A. Dimas; J. P. Collins. Turbulent flow modeling using a fast, parallel, vortex tube and sheet method. ESAIM. Proceedings, Tome 7 (1999), pp. 46-55. doi: 10.1051/proc:1999005

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