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Evaluation of the Levy Method as Applied to Vibrations of a 45 deg Delta WingThe Levy method which deals with an idealized structure was used to obtain the natural modes and frequencies of a large-scale built-up 45 deg. delta wing. The results from this approach, both with and without the effects of transverse shear, were compared with the results obtained experimentally and also with those calculated by the Stein-Sanders method. From these comparisons it was concluded that the method as proposed by Levy gives excellent results for thin-skin delta wings, provided that corrections are made for the effect of transverse shear.
Document ID
19980228207
Acquisition Source
Headquarters
Document Type
Other - NASA Memorandum (MEMO)
Authors
Kruszewski, Edwin T. (NASA Langley Research Center Hampton, VA United States)
Waner, 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
L-153
NASA-MEMO-2-2-59L
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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