Accession Number : AD0723344

Title :   The Shock and Vibration Bulletin.

Corporate Author : SHOCK AND VIBRATION INFORMATION CENTER (DEFENSE) WASHINGTON D C

Report Date : DEC 1969

Pagination or Media Count : 319

Abstract : ;Contents: Reduction of vibrations in aerospace structures by additive damping; Vibration isolation with nonlinear damping; The control of vibrations with viscoelastic materials; Sonic fatigue resistance of structures incorporating a constrained viscoelastic core; Experiments of inelastic damping of space vehicle ducts; Transverse vibrations of laminated plates with viscoelastic layer damping; Comparison of the geiger thick plate test and the vibrating composite beam test for the evaluation of the effectiveness of vibration damping materials; An aerospace energy absorber applied to highway safety; Determination of the complex mobility and impedance matrices for damped lumped parameter linear dynamic systems; 'Wagging tail' vibration absorber; A simple device for attenuation of longitudinal elastic stress waves; Analysis of shock mitigation for glass submersibles; Reduction in vibration of the CH-47C helicopter using a variable tuning vibration absorber; Response and optimization of an isolation system with relaxation type damping; The response of mechanical shock isolation elements to high rate input loading; Rational analysis of a two-degree-of-freedom flexure-torsion system; Design and development of a shock isolation evaluation system; A study of amplitude frequency plots with nonlinear damping; Vibrations of multicore sandwich beams; The use of polyurethane foam for shock and vibration isolation of avionics components; The analytic modeling of open-cell foams as shock and vibration elements.

Descriptors :   (*SHOCK(MECHANICS), SYMPOSIA), (*VIBRATION, NAVAL RESEARCH), EXPLOSION EFFECTS, EXPLOSIONS, ACCELERATION, MEASUREMENT, SHIPS, GUIDED MISSILES, AIRCRAFT, SPACECRAFT, WEAPON SYSTEMS, MATHEMATICAL MODELS, ACOUSTICS, DYNAMICS, VIBRATION ISOLATORS, UNDERWATER, FLUID MECHANICS, TRANSPORTATION, DAMPING

Subject Categories : Mechanics

Distribution Statement : APPROVED FOR PUBLIC RELEASE