The Shock and Vibration Bulletin, Part 4. Vibration
Abstract
;Contents: Survey of space vehicle vibration analysis and test techniques; Methods used to realistically simulate vibration environments; Simulation of complex-wave periodic vibration; Rationales applying to vibration for maintenance; Specification of sine vibration test levels using a force- acceleration product technique; Some effects of equalization with a single mass vs an elastic system on accelerations and stresses; A method for predicting structural responses from lower level acoustic tests; Sweep speed effects in resonant systems; The dynamic response of a steel eyebar chain suspension bridge over the Ohio River to various excitations; Dual specifications in random vibration testing, an application of mechanical impedance; Vibration - a diagnostic tool for shock design; The resonant response of a mechanically system subjected to logarithmically swept and notched base excitation, using asymptotic expansion; Effects of flight conditions upon gunfire induced vibration environment; The box car dynamic environment; The noise environment of a deflected-jet VTOL aircraft; Vibration signature analysis of bearings and electronic packages; Outer loop control for vibration testing; Empirical prediction of missile flight random vibration; Structural vibrations in the bell AH-1G helicopter during weapon firing; Characteristics of gunfire induced vibration in helicopters; Inflight vibration and noise study of three helicopters.
Document Details
- Document Type
- Technical Report
- Publication Date
- Dec 01, 1970
- Accession Number
- AD0723349
Entities
Organizations
- United States Naval Research Laboratory