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Structural dynamic modification of rotor-bearing system by means of sensitivity

Yang Ping (Dept. of Machine Design and Manufacturing Engineering,Gansu Univ. of Tech., Lanzhou 730050)  
A new method of structural dynamic modification of complex rotor-bearing system by means of sensitivity analysis is proposed. This method is used to solving redesignproblem of the structural dynamic characteristic to meet the needs for specificeigenfrequeney. A formula of eigenralue of sensitivity for asymmetric systems is developed.The corrections of structural parameters are also obtained using the method SVD.
【CateGory Index】: TH113
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