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http://dx.doi.org/10.3795/KSME-A.2013.37.12.1535

Dynamic Analysis of Rotor Systems Considering Ball Bearing Contact Mechanism  

Kim, YoungJin (Dept. of Mechanical Engineering, Chungnam Nat'l Univ.)
Lee, Jongmahn (Dept. of Mechanical Engineering, Chungnam Nat'l Univ.)
Oh, Dongho (Dept. of Mechanical Engineering, Chungnam Nat'l Univ.)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.37, no.12, 2013 , pp. 1535-1540 More about this Journal
Abstract
We propose a finite element modeling method considering the ball bearing contact mechanism, and the developed method was verified through experimental and analytical results of inner and outer race-type rotor systems. A comparison of the proposed method with conventional method reveals that there is little difference in the results of the inner race-type rotor system, but there are considerable differences in the results of the outer race-type rotor system such that predictions of greater accuracy can be made. Therefore, the proposed method can be used for accurately predicting the dynamic characteristics of an outer race-type rotary machine.
Keywords
Rotor Dynamics; Finite Element Analysis; Ball Bearing; Campbell Diagram;
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  • Reference
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