Normal Vibration Modes of Continuous Beams with Distinct Flexural Rigidities for Each Span

1964 ◽  
Vol 36 (10) ◽  
pp. 1934-1935
Author(s):  
Maarten Vet
Keyword(s):  
Normal Vibration ◽  
Vibration Modes ◽  
Continuous Beams

Correlation of Microwave Dielectric Properties and Normal Vibration Modes of Ba(Mg1/3Ta2/3)O3-Series Materials

2004 ◽  
Vol 13 (1-3) ◽  
pp. 271-275 ◽  
Author(s):  
Yi-Chun Chen ◽  
Hsiu-Fung Cheng ◽  
Chia-Chi Lee ◽  
Chih-Ta Chia ◽  
Hsiang-Lin Liu ◽  
...  
Keyword(s):  
Dielectric Properties ◽  
Normal Vibration ◽  
Microwave Dielectric Properties ◽  
Vibration Modes ◽  
Microwave Dielectric

Real actuator effects and the aerodynamic energy method

1988 ◽  
Vol 92 (912) ◽  
pp. 77-83 ◽  
Author(s):  
A. Simpson
Keyword(s):  
Energy Method ◽  
Normal Vibration ◽  
Control Law ◽  
Vibration Modes ◽  
Aerodynamic Forces ◽  
Flutter Suppression ◽  
Active Controls

Summary The aerodynamic energy method provides a means of flutter-suppression control-law design based wholly on oscillatory aerodynamic forces on a notional structure with notional normal vibration modes. The method has been proposed as a means of flutter suppression regardless of structural considerations, other than those mentioned. As originally conceived, the method is based upon the assumption of totally irreversible active controls. In this paper, the effects of finite impedance of actuators on the implementation of the method are investigated analytically. The conclusions do not augur well for the method.

Normal Vibration Modes of Stiff Strings

1968 ◽  
Vol 44 (4) ◽  
pp. 1093-1097 ◽  
Author(s):  
Dietrich Wolf ◽  
Helmut Müller
Keyword(s):  
Normal Vibration ◽  
Vibration Modes
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