Accession Number:

ADA175225

Title:

The Shock and Vibration Bulletin. Part 2. Model Test and Analysis, Testing Techniques, Machinery Dynamics, Isolation and Damping, Structural Dynamics

Descriptive Note:

Corporate Author:

NAVAL RESEARCH LAB WASHINGTON DC SHOCK AND VIBRATION INFORMATION CENTER

Personal Author(s):

Report Date:

1986-08-01

Pagination or Media Count:

217.0

Abstract:

Partial contents Multiple tests concept for improved validation of large space structure mathematical models Algorithms and application of a new multi-input-multi-ouput modal parameter identification method Modal parameter identification using adaptive digital filters SAFEDAE Solar Array Flight Experiment Dynamics Augmentation Experiment Modal test in space Random variation of modal frequencies experiments and analysis Structural degradation of impacted graphiteexpoxy laminates Updating rail impact test methods Prediction of natural frequencies of flexible shaft-disc system Implementation of action force control for robots subject to dynamic loading Force magnitude and angular velocity fluctuation reduction in a spring-restrained flexibility- supported four-bar mechanical linkage Blade damping measurements in a spin rig with nozzle passing excitation simulated by electromagnets New approach for gearbox modelling in-finite element analyses of torsional vibration of gear- branched propulsion systems Temperature shift considerations for damping materials Prediction of Metal Fatigue using Miner rule Optimizing aerospace structures subjected to random vibration and fatigue constraints Evaluation of vibration specifications for static and dynamic material allowables and Supersonic flow induced cavity acoustics.

Subject Categories:

  • Laminates and Composite Materials
  • Couplers, Fasteners and Joints
  • Test Facilities, Equipment and Methods
  • Mechanics
  • Astronautics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE