Record number :
860898
Title of article :
Application of a hybrid method to the nonlinear dynamic analysis of a flexible rotor supported by a spherical gas-lubricated bearing system Original Research Article
Author/Authors :
Cheng-Chi Wang، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2009
Pages :
19
From page :
2035
To page :
2053
Abstract :
This paper employs a hybrid numerical method combining the differential transformation method and the finite difference method to study the nonlinear dynamic behavior of a flexible rotor supported by a spherical gas-lubricated bearing system. The analytical results reveal a complex dynamic behavior comprising periodic, sub-harmonic, and quasi-periodic responses of the rotor center and the journal center. Furthermore, the results reveal the changes which take place in the dynamic behavior of the bearing system as the rotor mass and bearing number are increased. The current analytical results are found to be in good agreement with those from other numerical methods. Therefore, the proposed method provides an effective means of gaining insights into the nonlinear dynamics of spherical gas film rotor–bearing systems.
Keywords :
Differential transformation method , Reynolds equation , Spherical gas bearing
Journal title :
Nonlinear Analysis Theory, Methods & Applications
Journal title :
Nonlinear Analysis Theory, Methods & Applications
Serial Year :
2009
Link To Document :
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