Low-frequency measurements and predictions of the structural-acoustic properties of the INCE standard T-beam structure

2002 ◽  
Vol 50 (3) ◽  
pp. 90 ◽  
Author(s):  
Stephen A. Hambric ◽  
Joseph M. Cuschieri ◽  
C. Roger Halkyard ◽  
Brian R. Mace ◽  
Richard P. Szwerc
Keyword(s):  
Low Frequency ◽  
Acoustic Properties ◽  
Beam Structure ◽  
Frequency Measurements ◽  
T Beam

scholarly journals Utilization of 2:1 Internal Resonance in Microsystems

Micromachines ◽  
2018 ◽  
Vol 9 (9) ◽  
pp. 448 ◽  
Author(s):  
Navid Noori ◽  
Atabak Sarrafan ◽  
Farid Golnaraghi ◽  
Behraad Bahreyni
Keyword(s):  
Internal Resonance ◽  
Mode Coupling ◽  
Equations Of Motion ◽  
Low Frequency ◽  
Nonlinear Behavior ◽  
Excitation Amplitude ◽  
Beam Structure ◽  
Nonlinear Mode Coupling ◽  
T Beam ◽  
Low Frequency Mode

In this paper, the nonlinear mode coupling at 2:1 internal resonance has been studied both analytically and experimentally. A modified micro T-beam structure is proposed, and the equations of motion are developed using Lagrange’s energy method. A two-variable expansion perturbation method is used to describe the nonlinear behavior of the system. It is shown that in a microresonator with 2:1 internal resonance, the low-frequency mode is autoparametrically excited after the excitation amplitude reaches a certain threshold. The effect of damping on the performance of the system is also investigated.

Mechanical monolithic tiltmeter for low frequency measurements

2012 ◽  
Author(s):  
F. Acernese ◽  
R. Canonico ◽  
R. De Rosa ◽  
G. Giordano ◽  
R. Romano ◽  
...  
Keyword(s):  
Low Frequency ◽  
Frequency Measurements

Physical Parameters for Four Seabed Geoacoustic Models from Low-Frequency Measurements

2010 ◽  
Author(s):  
Ji-Xun Zhou ◽  
Xue-Zhen Zhang ◽  
Jeffrey Simmen ◽  
Ellen S. Livingston ◽  
Ji-Xun Zhou ◽  
...  
Keyword(s):  
Low Frequency ◽  
Physical Parameters ◽  
Frequency Measurements

Calculating Precision Analysis of Static Characteristics of Multi-rib T-Beam Structure

2019 ◽  
Vol 44 (3) ◽  
pp. 813-824
Author(s):  
Fei-ting Shi ◽  
Peng Cao ◽  
Ya-nan Gan ◽  
Chang-jun Zhou ◽  
Guang-chun Zhou
Keyword(s):  
Static Characteristics ◽  
Beam Structure ◽  
Precision Analysis ◽  
T Beam
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