A Novel Accelerometer Mounting Method for Sensing Performance Improvement in Acoustic Measurements From the Knee [0.03%]
一种新的加速度计安装方法，用于改善膝关节声学测量中的传感性能
Goktug C Ozmen,Mohsen Safaei,Lan Lan et al.
Goktug C Ozmen et al.
In this study, we propose a new mounting method to improve accelerometer sensing performance in the 50 Hz-10 kHz frequency band for knee sound measurement. The proposed method includes a thin double-sided adhesive tape for mounting and a 3D...
Miniature Fiber Optic Acoustic Pressure Sensors With Air-Backed Graphene Diaphragms [0.03%]
带有空气支撑石墨烯膜片的微型光纤声压传感器
Qian Dong,Hyungdae Bae,Zhijian Zhang et al.
Qian Dong et al.
Graphene has been known to possess exceptional mechanical properties, including its extremely high Young's modulus and atomic layer thickness. Although there are several reported fiber optic pressure sensors using graphene film, a key quest...
Actuation of higher harmonics in large arrays of micromechanical cantilevers for expanded resonant peak separation [0.03%]
用于扩展共振峰分离的大规模微机械悬臂梁阵列的高次谐波驱动方法研究
Nir Dick,Christopher B Wallin,Slava Krylov et al.
Nir Dick et al.
A large array of elastically coupled micro cantilevers of variable length is studied experimentally and numerically. Full-scale finite element modal analysis is implemented to determine the spectral behavior of the array and to extract a gl...
Comparison of Poroviscoelastic Models for Sound and Vibration in the Lungs [0.03%]
用于肺部声音和振动的Porovisco弹性模型比较
Zoujun Dai,Ying Peng,Hansen A Mansy et al.
Zoujun Dai et al.
Noninvasive measurement of mechanical wave motion (sound and vibration) in the lungs may be of diagnostic value, as it can provide information about the mechanical properties of the lungs, which in turn are affected by disease and injury. I...
Mark M Meerschaert,Robert J McGough
Mark M Meerschaert
This paper develops new fractional calculus models for wave propagation. These models permit a different attenuation index in each coordinate to fully capture the anisotropic nature of wave propagation in complex media. Analytical expressio...
Application of Time-Delay Absorber to Suppress Vibration of a Dynamical System to Tuned Excitation [0.03%]
时滞阻尼器在 tuned 激励下的应用研究
W A A El-Ganaini,H A El-Gohary
W A A El-Ganaini
In this work, we present a comprehensive investigation of the time delay absorber effects on the control of a dynamical system represented by a cantilever beam subjected to tuned excitation forces. Cantilever beam is one of the most widely ...
Dual-Functional Energy-Harvesting and Vibration Control: Electromagnetic Resonant Shunt Series Tuned Mass Dampers [0.03%]
兼具能量 harvesting 和减震功能的电磁共振并联调谐质量阻尼器
Lei Zuo,Wen Cui
Lei Zuo
This paper proposes a novel retrofittable approach for dual-functional energy-harvesting and robust vibration control by integrating the tuned mass damper (TMD) and electromagnetic shunted resonant damping. The viscous dissipative element b...
Development of a Semi-Active Electromagnetic Vibration Absorber and Its Experimental Study [0.03%]
半主动电磁式吸振器的研制及实验研究
Xueguang Liu,Xiaoxiao Feng,Ye Shi et al.
Xueguang Liu et al.
In this work, a semiactive electromagnetic vibration absorber has been developed based on a proposed electromagnetic stiffness adjustable spring model, which presents a new solution for adjusting stiffness in the field of vibration absorber...
Crack Identification of Cantilever Plates Based on a Kriging Surrogate Model [0.03%]
基于Kriging代理模型的悬臂板裂纹识别
Haiyang Gao,Xinglin Guo,Huajiang Ouyang et al.
Haiyang Gao et al.
This work presents an effective method to identify the tip locations of an internal crack in cantilever plates based on a Kriging surrogate model. Samples of varying crack parameters (tip locations) and their corresponding root mean square ...
Experimental and Computational Models for Simulating Sound Propagation Within the Lungs [0.03%]
肺内声波传播的实验和计算模型模拟研究
S Acikgoz,M B Ozer,T J Royston et al.
S Acikgoz et al.
An acoustic boundary element model is used to simulate sound propagation in the lung parenchyma and surrounding chest wall. It is validated theoretically and numerically and then compared with experimental studies on lung-chest phantom mode...