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A hybrid numerical method for three-dimensional spatially-developing free-shear flowsThe present novel algorithm for 3D incompressible Navier-Stokes equations treats a domain which is (1) infinite in the vertical direction, using a mapped spectral method; (2) finite in the streamwise direction, using a classical Fourier method; and (3) homogeneous in the spanwise direction, using high-order compact finite differencing. A projection method is employed which ensures the exact conservation of mass, as well as the satisfaction of the boundary conditions at infinity. The novel aspects of these methods are noted, and the code they constitute is validated in light of several test cases. Results are presented for two- and three-dimensional mixing layers.
Document ID
19910061063
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Buell, Jeffrey C.
(NASA Ames Research Center Moffett Field, CA, United States)
Date Acquired
August 14, 2013
Publication Date
August 1, 1991
Publication Information
Publication: Journal of Computational Physics
Volume: 95
ISSN: 0021-9991
Subject Category
Fluid Mechanics And Heat Transfer
Accession Number
91A45686
Distribution Limits
Public
Copyright
Other

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