NDLI: Statistical correlation analysis for comparing vibration data from test and analysis

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Statistical correlation analysis for comparing vibration data from test and analysis

Content Provider	NASA Technical Reports Server (NTRS)
Author	Strang, R. F. Purves, L. R. Hershfeld, D. J. Butler, T. G.
Copyright Year	1986
Description	A theory was developed to compare vibration modes obtained by NASTRAN analysis with those obtained experimentally. Because many more analytical modes can be obtained than experimental modes, the analytical set was treated as expansion functions for putting both sources in comparative form. The dimensional symmetry was developed for three general cases: nonsymmetric whole model compared with a nonsymmetric whole structural test, symmetric analytical portion compared with a symmetric experimental portion, and analytical symmetric portion with a whole experimental test. The theory was coded and a statistical correlation program was installed as a utility. The theory is established with small classical structures.
File Size	3298243
Page Count	94
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19860015547
Archival Resource Key	ark:/13960/t92856v9k
Language	English
Publisher Date	1986-02-01
Access Restriction	Open
Subject Keyword	Structural Mechanics Dynamic Structural Analysis Comparison Correlation Coefficients Eigenvalues Statistical Correlation Vibration Mode Applications Programs Computers Eigenvectors Nastran Vibration Tests Symmetry Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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