Li Jianzhong, Wang Hui, Cen Zhangzhi, Qin Fei, Zhang Hongtao, Yu Erliang. FINITE ELEMENT ANALYSIS FOR DYNAMIC BEHAVIOR OF GROUP OF STREAM TURBINE BLADE WITH FIN HEAVE[J]. Engineering Mechanics, 1997, 14(4): 68-75.
Citation: Li Jianzhong, Wang Hui, Cen Zhangzhi, Qin Fei, Zhang Hongtao, Yu Erliang. FINITE ELEMENT ANALYSIS FOR DYNAMIC BEHAVIOR OF GROUP OF STREAM TURBINE BLADE WITH FIN HEAVE[J]. Engineering Mechanics, 1997, 14(4): 68-75.
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FINITE ELEMENT ANALYSIS FOR DYNAMIC BEHAVIOR OF GROUP OF STREAM TURBINE BLADE WITH FIN HEAVE

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  • This paper considers the steam turbine blade group as a rotationally periodic structure and the complex constraint has been induced. The effect of the centrifugal force to the dynamic frenquency has been considered by introducing large deflection equation. A method has been given to introduce the special constraint between the fin heaves of every blade during dynamic analysing.
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