The effect of initial conditions on the development of temporally evolving planar three dimensional incompressible wakesA set of direct numerical simulations of temporally evolving incompressible plane wakes started from a variety of initial conditions have been performed. The intent is to explore the effect of initial conditions on the development of three dimensionality. It was found that the existence of an oblique disturbance at a streamwise wavelength equal to the two-dimensional subharmonic wavelength plays a very important role in the development of the wake. The Reynolds number and the presence or absence of longer wavelength disturbances were also found to be important at late times in the development of the flow. Disturbance phase was found to have an effect on the details of the structure of the wake, but has relatively little effect on the wake growth.
Document ID
19950014668
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Sondergaard, Rolf (Stanford Univ. CA., United States)
Mansour, Nagi N. (NASA Ames Research Center Moffett Field, CA, United States)
Cantwell, Brian J. (Stanford Univ. CA., United States)
Date Acquired
September 6, 2013
Publication Date
December 1, 1994
Publication Information
Publication: AGARD, Application of Direct and Large Eddy Simulation to Transition and Turbulence