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Application of the Method of Stein and Sanders to the Calculation of Vibration Characteristics of a 45 deg Delta-Wing SpecimenGeneralized influence coefficients are calculated by the method of NACA TN 3640 for a large-scale, built-up, 450 delta-wing specimen. These are used together with appropriate generalized masses to obtain the natural modes and frequencies in symmetric and antisymmetric free-free vibration. The resulting frequencies are compared with those obtained experimentally and are found to be consistently high. Possible sources of the disparities are discussed.
Document ID
19980230623
Acquisition Source
Headquarters
Document Type
Other - NASA Memorandum (MEMO)
Authors
Hedgepeth, John M. (NASA Langley Research Center Hampton, VA United States)
Warner, Paul G., Jr. (NASA Langley Research Center Hampton, VA United States)
Date Acquired
September 6, 2013
Publication Date
February 1, 1959
Subject Category
Aircraft Design, Testing And Performance
Report/Patent Number
NASA-MEMO-2-1-59L
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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