Accession Number : AD0723346

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 : 261

Abstract : ;Contents: The response of transducers to their environment--the problem of signal and noise; A simplified method for measuring static and dynamic displacement of vibrating systems; Instrumentation for measurement of vibratory motion and mechanical impedance within assembled aerospace equipment; Applications of holography to high-frequency vibrations and transient response; Low-frequency portable vibration measuring and recording system; Measurement of the total structural mobility matrix; Development of a small transmitter for high intensity shock environment; Predictable shock pulse by modified fourier transforms; On-line computer applications for the Apollo 'short-stack' combined environments test program; Dynamic data analysis system; A dynamic data compensation technique for seismic transducers; Air damped high-g accelerometer and wide band velocimeter for shock study in free mass under severe air blast; A survey of the information needs of industry in designing to meet Navy shipboard shock requirements; A conversational time sharing computer program for dynamic shock analysis; Criteria for mode selection in the DDAM procedure; Application of perturbation techniques to the Navy's dynamic design analysis method; An analysis of spectrum dip in underwater shock; Dynamic analysis of submerged ship structure and equipment; Dyanmic behavior of partially constrained ship grillages; An environmental vibration recorder; 2K system approach for vibration and shock protection for shipboard equipments; Portable instruments for use in connection with shipboard vibration codes.

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