An investigation of the 'Overlap' between the Statistical-Discrete-Gust and the Power-Spectral-Density analysis methods | Zendy

Boyd Perry | Zendy; Anthony S. Pototzky | Zendy; Jessica A. Woods | Zendy

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An investigation of the 'Overlap' between the Statistical-Discrete-Gust and the Power-Spectral-Density analysis methods

Author(s) -

Boyd Perry,

Anthony S. Pototzky,

Jessica A. Woods

Publication year - 1989

Publication title -

28th structures, structural dynamics and materials conference

Language(s) - English

Resource type - Conference proceedings

DOI - 10.2514/6.1989-1376

Subject(s) - spectral density , spectral analysis , power (physics) , statistical analysis , statistical physics , computer science , computational physics , statistics , physics , mathematics , spectroscopy , astronomy , quantum mechanics

This paper presents the results of a NASA investigation of a claimed 'Overlap' between two gust response analysis methods: the Statistical Discrete Gust (SDG) method and the Power Spectral Density (PSD) method. The claim is that the ratio of an SDG response to the corresponding PSD response is 10.4. Analytical results presented in this paper for several different airplanes at several different flight conditions indicate that such an 'Overlap' does appear to exist. However, the claim was not met precisely: a scatter of up to about 10 percent about the 10.4 factor can be expected.

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