Article | Proceedings of the 2nd Japanese Modelica Conference Tokyo, Japan, May 17-18, 2018 | Modelling of Asymmetric Rotor and Cracked Shaft Linköping University Electronic Press Conference Proceedings
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Title:
Modelling of Asymmetric Rotor and Cracked Shaft
Author:
Tatsuro Ishibashi: Meidensha Corporation, Japan Atsushi Yoshida: Department of Mechanical & Physical Engineering, Osaka City University, Japan Tadao Kawai: Department of Mechanical & Physical Engineering, Osaka City University, Japan
DOI:
10.3384/ecp18148180
Download:
Full text (pdf)
Year:
2018
Conference:
Proceedings of the 2nd Japanese Modelica Conference Tokyo, Japan, May 17-18, 2018
Issue:
148
Article no.:
026
Pages:
180-186
No. of pages:
7
Publication type:
Abstract and Fulltext
Published:
2019-02-21
ISBN:
978-91-7685-266-8
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press, Linköpings universitet


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The object of this paper is to present asymmetric rotor and shaft models in rotating machinery systems. Using these models it is possible to analyze the electrical motors or generators which have different lateral stiffness or the moments of inertia in two orthogonal directions. The asymmetry causes unstable vibrations in some rotating speed ranges. A cracked shaft model is presented as the extension of the asymmetric shaft model. These models are implemented in our original rotating machinery library.

Keywords: Rotor Dynamics, Asymmetrical Rotor, Asymmetrical Shaft, Cracked Shaft

Proceedings of the 2nd Japanese Modelica Conference Tokyo, Japan, May 17-18, 2018

Author:
Tatsuro Ishibashi, Atsushi Yoshida, Tadao Kawai
Title:
Modelling of Asymmetric Rotor and Cracked Shaft
DOI:
http://dx.doi.org/10.3384/ecp18148180
References:

Markus Dahl, Håkan Wettergren and Henrik Tidefelt. Modelica Spur Gears with Hertzian Contact Forces. Proceedings of the 12th International Modelica Conference, 2017. doi:10.3384/ecp17132755.

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Tatsuro Ishibashi, Han Bing and Tadao Kawai. Rotating Machinery Library for Diagnosis. Proceedings of the 12th International Modelica Conference, 2017. doi:10.3384/ecp17132381.

Yukio Ishida and Toshio Yamamoto. Linear and Nonlinear Rotordynamics: A Modern Treatment with Applications, 2nd Edition. Wiley-VCH, 2012.

Ivan Kosenko and Ilya Gusev. Revised and improved implementation of the spur involute gear dynamical model. Proceedings of the 9th International Modelica Conference, 2012. doi:10.3384/ecp12076311.

Osami Matsushita, Masato Tanaka, Hiroshi Kanki, Masao Kobayashi and Patrick Keogh. Vibrations of Rotating Machinery. Springer Japan, 2017. doi: 10.1007/978-4-431-55456-1.

Li Ming, Wang Yu, Li Fucai, Li Hongguang, and Meng Guang. Modelica-based Object-orient Modeling of Rotor System with Multi-Faults. Chinese Journal of Mechanical Engineering, Vol. 26, No. 6, 2013.

F.L.J. van der Linden. Modelling of elastic gearboxes using a generalized gear contact model. Proceedings of the 9th International Modelica Conference, 2012. doi:10.3384/ecp12076303.

Proceedings of the 2nd Japanese Modelica Conference Tokyo, Japan, May 17-18, 2018

Author:
Tatsuro Ishibashi, Atsushi Yoshida, Tadao Kawai
Title:
Modelling of Asymmetric Rotor and Cracked Shaft
DOI:
https://doi.org10.3384/ecp18148180
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Last updated: 2019-06-04