Application of dynamic vibration absorbers in structural vibration control under multi-frequency harmonic excitations

2008 ◽  
Vol 69 (12) ◽  
pp. 1361-1367 ◽  
Author(s):  
H.L. Sun ◽  
P.Q. Zhang ◽  
H.B. Chen ◽  
K. Zhang ◽  
X.L. Gong
Keyword(s):  
Vibration Control ◽  
Structural Vibration ◽  
Vibration Absorbers ◽  
Structural Vibration Control ◽  
Dynamic Vibration ◽  
Harmonic Excitations ◽  
Dynamic Vibration Absorbers ◽  
Frequency Harmonic

Vibration Control of a Ropeway Carrier by Passive Dynamic Vibration Absorbers

1995 ◽  
Vol 38 (4) ◽  
pp. 657-662 ◽  
Author(s):  
Hiroshi Matsuhisa ◽  
Rongrong Gu ◽  
Yongjing Wang ◽  
Osamu Nishihara ◽  
Susumu Sato
Keyword(s):  
Vibration Control ◽  
Vibration Absorbers ◽  
Dynamic Vibration ◽  
Dynamic Vibration Absorbers

Vibration Control of Variable Thickness Plates With Embedded Acoustic Black Holes and Dynamic Vibration Absorbers

2015 ◽  
Author(s):  
Xiuxian Jia ◽  
Yu Du ◽  
Kunmin Zhao
Keyword(s):  
Vibration Control ◽  
Variable Thickness ◽  
Fe Model ◽  
Vibration Absorbers ◽  
Response Level ◽  
Control Approach ◽  
Dynamic Vibration ◽  
Vibration Responses ◽  
Dynamic Vibration Absorbers ◽  
Acoustic Black Holes

In the past decade, plate-like structures embedded with one or more acoustic black hole (ABH) features have been developed as a promising passive approach for structural sound and vibration control. In this study, the concept of combining dynamic vibration absorbers (DVAs) and the ABH effect is proposed to further improve the vibration control effectiveness of a variable thickness plate. A finite element (FE) model is developed to analyze the vibration response of a plate embedded with both ABHs and DVAs under point force excitations. To demonstrate the effectiveness of different vibration control approaches, the vibration responses of plates of uniform thickness, variable thickness embedded with ABH features, variable thickness embedded with both ABH features and damping layers, and variable thickness embedded with both ABH features and DVAs are compared experimentally. It is shown that, in the frequency range considered in the current study which is up to 6.4 kHz, the uniform plate presents high average velocity response level. On the other hand, although 11.5% lighter, the variable thickness plate integrated with both ABH and DVA features results in the lowest response level. Results in this study demonstrate the potential of combing DVAs and ABHs together as an effective lightweight noise and vibration control approach.

Vibration Control of Beams by Beam‐Type Dynamic Vibration Absorbers

1992 ◽  
Vol 118 (2) ◽  
pp. 248-258 ◽  
Author(s):  
Tadayoshi Aida ◽  
Susumu Toda ◽  
Norio Ogawa ◽  
Yasuo Imada
Keyword(s):  
Vibration Control ◽  
Vibration Absorbers ◽  
Dynamic Vibration ◽  
Beam Type ◽  
Dynamic Vibration Absorbers

Parametric Selection of Dynamic Vibration Absorbers for Resonant Suppression of Structure-Absorber Systems

2015 ◽  
Vol 723 ◽  
pp. 31-35
Author(s):  
Lin Liu ◽  
Huang Cheng Fang
Keyword(s):  
Frequency Tuning ◽  
Damping Ratio ◽  
Structural Vibration ◽  
Vibration Absorbers ◽  
Practical Applications ◽  
Dynamic Vibration ◽  
Magnification Factors ◽  
Modal Damping ◽  
Dynamic Vibration Absorbers ◽  
Selection Of

The selection of absorber parameters is of utmost significance for structural vibration control by dynamic vibration absorbers. Based on the classical frequency tuning approach by Den Hartog, optimal damping ratio is derived in close form by equating the dynamic magnification factors of the structural motion at three particular frequencies of interest. In addition, by maximizing the two identical modal damping ratios through root locus in the first quadrant of complex plane, the corresponding absorber damping ratio is derived and proposed as the upper bound of the absorber damping ratio for practical applications.

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