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Vibration-Response AnalysisDynamic behaviors of structures analyzed interactively. Interactive steadystate vibration-response program, VIBRA, developed. Frequency-response analyses commonly used in evaluating dynamic behaviors of structures subjected to cyclic external forces. VIBRA calculates frequency response using modalsuperposition approach. Method applicable to single or multiple forces applied to linear, proportionally damped structure in which damping is viscous or structural. VIBRA written in FORTRAN 77 for interactive execution.
Document ID
19860000148
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Bowman, L. M.
(U.S. Army Aviation Systems Command)
Date Acquired
August 12, 2013
Publication Date
June 1, 1986
Publication Information
Publication: NASA Tech Briefs
Volume: 10
Issue: 2
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
LAR-13291
Accession Number
86B10148
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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