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Speaker	Mr. Jeffrey Payne
Institution	Sandia National Laboratories
Faculty Host	Dr. Chris Roy
Date & Time	11.02.2009 04:00pm
Location	129 McBryde Hall
A brief overview of Aerosciences at Sandia National Laboratories will be presented. The focus of the presentation will be on current efforts to predict random vibrational loading on flight vehicles. The scope of effort includes computational and experimental activities, covering fluid and structural dynamics disciplines. The presentation will touch on: probable excitation sources that yield the level or random vibration observed during flight; the methods that have been developed to model the random pressure fields in the turbulent boundary layer using a combination of CFD codes and newly developed turbulent boundary layer models; experimental measurement of boundary layer fluctuations; the methods of translating the random pressure fields to time-domain, spatially correlated pressure fields.

Virginia Tech Department of Aerospace & Ocean Engineering
215 Randolph Hall, Blacksburg VA, 24061
(540) 231-6611 Fax: (540) 231-9632