Dynamic analysis of thin-walled open section beam under moving vehicle by transfer matrix method

2008 ◽  
Vol 30 (5) ◽  
pp. 603-617 ◽  
Author(s):  
Tianyu Xiang ◽  
Tengfei Xu ◽  
Xinpeng Yuan ◽  
Renda Zhao ◽  
Yuqiang Tong
Keyword(s):  
Dynamic Analysis ◽  
Transfer Matrix ◽  
Transfer Matrix Method ◽  
Matrix Method ◽  
Moving Vehicle ◽  
Open Section ◽  
Thin Walled

Torsional Vibration Dynamic Analysis of the Test Rig for Intersecting Axes Gears of Helicopters

2011 ◽  
Vol 42 (11) ◽  
pp. 3-8
Author(s):  
Xiangyang Jin ◽  
Li Gui Xian ◽  
Zhao Yong Qiang
Keyword(s):  
Dynamic Analysis ◽  
Transfer Matrix ◽  
Torsional Vibration ◽  
Transfer Matrix Method ◽  
Matrix Method ◽  
Test Rig ◽  
Vibration Load ◽  
Beveloid Gears ◽  
Vibration Dynamics ◽  
The Mathematical Model

In this paper, the transfer matrix method has been employed to analyze the torsional vibration dynamics of the test rig for closed intersecting axes beveloid gears of helicopter. The torsional vibration dynamic model has been established through adopting the transfer matrix method. At the same time, the mathematical model of the branch nodes and the dynamic analysis of test rig closed system have been also derived. The dynamic simulation principle of the test rig is studied and the corresponding dynamic load coefficients are also solved. Finally, the simulation curve of the vibration load coefficients of the test gears under different speed is drawn. The results shows that both the dynamic character of test rig and the loading precision can meet the test requirement.

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