Parameter optimization analysis of rotary electromagnetic vibration energy harvester for performance enhancement under free vibration [PDF]
Summary: In this paper, three new important aspects of rotary electromagnetic vibration energy harvesting technology (RE-VEH) are concerned and investigated: (i) vibro-electric coupling mechanism of the RE-VEH system is studied through theoretical ...
Juhuang Song +6 more
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Prediction of Tunnel Blasting Vibration Velocity Considering the Influence of Free Surface
The blast vibration attenuation will change as the tunnel cut hole is blasted to create a new free surface. To guarantee safe tunnel construction and optimize blast design parameters, it is crucial to understand the impact of the free surface on blast ...
Xiaohui Zeng +4 more
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Attenuation model of tunnel blast vibration velocity based on the influence of free surface
In tunnel blasting excavation, it is important to clarify the attenuation law of blast wave propagation and predict the blast vibration velocity effectively to ensure safe tunnel construction and protection design.
Baoxin Jia +3 more
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A Calculation Model for Vibration Effect Induced by Resonance-Free Vibratory Hammer Method
Buildings close to the ground treated by the resonance- free vibratory hammer method are often vulnerable to excessive vibrations. An in situ test of an urban soft site was carried out to investigate the resonance-free vibratory hammer induced vibration ...
Xinjun Cheng +5 more
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Focal Vibration Therapy: Vibration Parameters of Effective Wearable Devices
Focal vibration therapy can provide neurophysiological benefits. Unfortunately, standardized protocols are non-existent. Previous research presents a wide range of protocols with a wide range of effectiveness.
Mustafa Ghazi +3 more
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The current investigation presents the analytical investigation on free vibration and inherent material damping of boron-FRP plate, subjected to non-uniform uniaxial edge loads.
Gunasekaran Vijay +2 more
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Free vibration analysis of a string with vibration suppressor
When an elevator rope for a high-rise building is forcibly excited by the displacements of the building induced by wind forces and/or by long-period ground motion.
Hiroyuki KIMURA
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Dynamic behavior of a rotating delaminated composite beam including rotary inertia and shear deformation effects [PDF]
A finite element (FE) model is developed to study the free vibration of a rotating laminated composite beam with a single delamination. The rotary inertia and shear deformation effects, as well as the bending–extension, bending–twist and extension–twist ...
Della, Christian +1 more
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Free Vibration of The System of Two Strings Coupled by a Viscoelastic Interlayer
This paper introduces an analytical method of solving the free vibration problem for a continuous system of two strings coupled by a viscoelastic interlayer.
K. Cabańska-Płaczkiewicz
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In high-rise buildings, the elevator rope may resonate with the building's sway induced by wind forces and/or by long period ground motion. Therefore, suppression of elevator rope vibration is desired. To gain an understanding of rope sway, the free
Takahiro FUJITANI, Hiroyuki KIMURA
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