Low-frequency harmonic vibration analysis with temporal speckle pattern interferometry

2002 ◽  
Vol 34 (3) ◽  
pp. 259-264 ◽  
Author(s):  
Xide Li ◽  
Gang Tao
Keyword(s):  
Vibration Analysis ◽  
Speckle Pattern ◽  
Low Frequency ◽  
Harmonic Vibration ◽  
Frequency Harmonic

A Shock Absorber Vibration Analysis - High-Frequency and Low-Frequency

1991 ◽  
Author(s):  
Kazufumi Kumagai ◽  
Toshiro Abe ◽  
John L. Bretl ◽  
Teruhiko Ishigaki ◽  
Ryugo Takgi
Keyword(s):  
High Frequency ◽  
Vibration Analysis ◽  
Shock Absorber ◽  
Low Frequency

Application of ESPI in the Vibration Analysis of Turbine Blading

1995 ◽  
Author(s):  
Robert X. Wang ◽  
Graham M. Chapman
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Vibration Analysis ◽  
Speckle Pattern ◽  
Vibration Measurement ◽  
Simplified Model ◽  
Electronic Speckle Pattern Interferometry ◽  
Coupled Modes ◽  
Element Analysis ◽  
Turbine Blading

Abstract This paper reports on the application of Electronic Speckle Pattern Interferometry (ESPI) technique in vibration measurement of turbine blading. Using the time-averaged mode of ESPI, the first six modes of a turbocharger blade with airfoil profile were identified. The effect of the complicated profile of the blade was established by studying simplified model blades. Coupled modes were identified and successfully separated. Experimental results are compared with those obtained using finite element analysis.

Cantilevered Plate Vibration Analysis Based on Electronic Speckle Pattern Interferometry and Digital Shearing Speckle Pattern Interferometry

2019 ◽  
Vol 39 (4) ◽  
pp. 0403001
Author(s):  
马银行 Ma Yinhang ◽  
蒋汉阳 Jiang Hanyang ◽  
戴美玲 Dai Meiling ◽  
代祥俊 Dai Xiangjun ◽  
杨福俊 Yang Fujun
Keyword(s):  
Vibration Analysis ◽  
Speckle Pattern ◽  
Electronic Speckle Pattern Interferometry ◽  
Plate Vibration ◽  
Cantilevered Plate

Nonlinear Harmonic Vibration Analysis of a Fully Clamped Micro-Beam

2015 ◽  
Author(s):  
Mehran Sadri ◽  
Davood Younesian ◽  
Ebrahim Esmailzadeh
Keyword(s):  
Vibration Analysis ◽  
Multiple Scales ◽  
Special Kind ◽  
Equation Of Motion ◽  
Harmonic Excitation ◽  
Harmonic Vibration ◽  
Potential Wells ◽  
State Response ◽  
Nonlinear Forced Vibration ◽  
First Time

Nonlinear harmonic vibration analysis of a clamped-clamped micro-beam is studied in this paper. Nonlinear forced vibration of a special kind of micro-actuators is examined for the first time. Galerkin method is employed to derive the equation of motion of the micro-beam with two symmetric potential wells. An electric force composed of DC and AC components is applied to the structure. Multiple Scales method (MSM) is used to solve the nonlinear equation of motion. Primary and secondary resonances are taken into account and steady-state response of the microbeam is obtained. A parametric study is then carried out to investigate the effects of different parameters on the amplitude-frequency curves. Finally, phase plot and Poincare map have been taken into consideration to investigate the influence of the amplitude of the harmonic excitation on stability of the microelectromechanical system.

An efficient wave based approach for the time-harmonic vibration analysis of 3D plate assemblies

2013 ◽  
Vol 332 (8) ◽  
pp. 1930-1946 ◽  
Author(s):  
Karel Vergote ◽  
Caroline Vanmaele ◽  
Dirk Vandepitte ◽  
Wim Desmet
Keyword(s):  
Vibration Analysis ◽  
Harmonic Vibration ◽  
Time Harmonic
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