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

摘要

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; SAFE/DAE (Solar Array Flight Experiment Dynamics Augmentation Experiment): Modal test in space; Random variation of modal frequencies experiments and analysis; Structural degradation of impacted graphite/expoxy 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.