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Numerical study of an anisotropically supported rotor with parametric excitation

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Main Authors: Lee, Chih Feng, Tan, Yee Wei, Krodkiewski, Janusz M. , Dr.
Other Authors: c.lee33@pgrad.unimelb.edu.au
Format: Article
Language:English
Published: The Institution of Engineers, Malaysia 2011
Subjects:
Anisotropic support
Mechanical vibrations
Rotor
Stability
Online Access:http://dspace.unimap.edu.my/xmlui/handle/123456789/13689
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spelling my.unimap-136892011-09-07T19:59:38Z Numerical study of an anisotropically supported rotor with parametric excitation Lee, Chih Feng Tan, Yee Wei Krodkiewski, Janusz M. , Dr. c.lee33@pgrad.unimelb.edu.au Anisotropic support Mechanical vibrations Rotor Stability Link to publisher's homepage at http://www.myiem.org.my/ Anisotropic structures, e.g. oil journal bearings are often employed as supporting structure for rotating machineries. Moreover, cross-section of rotating element is often non-symmetrical due to various practical reasons. This paper investigates the dynamics of a parametrically excited rotor-support system. The mathematical model of a rotor supported by an anisotropic structure in the middle and supported rigidly at the far-ends is devised. Stability analysis in the rotating speed domain is demonstrated using two numerical approaches based on Runge–Kutta method and Floquet Theory. The performance of these two methods in terms of computational cost and accuracy is compared. In addition, the influence of cross-coefficient stiffness and damping of the anisotropic support on the unstable region is discussed. 2011-09-07T19:59:38Z 2011-09-07T19:59:38Z 2009-09 Article The Journal of the Institution of Engineers, Malaysia, vol. 72(3), 2009, pages 35-45 0126-513X http://www.myiem.org.my/content/iem_journal_2009-180.aspx http://hdl.handle.net/123456789/13689 en The Institution of Engineers, Malaysia
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Anisotropic support
Mechanical vibrations
Rotor
Stability
spellingShingle Anisotropic support
Mechanical vibrations
Rotor
Stability
Lee, Chih Feng
Tan, Yee Wei
Krodkiewski, Janusz M. , Dr.
Numerical study of an anisotropically supported rotor with parametric excitation
description Link to publisher's homepage at http://www.myiem.org.my/
author2 c.lee33@pgrad.unimelb.edu.au
author_facet c.lee33@pgrad.unimelb.edu.au
Lee, Chih Feng
Tan, Yee Wei
Krodkiewski, Janusz M. , Dr.
format Article
author Lee, Chih Feng
Tan, Yee Wei
Krodkiewski, Janusz M. , Dr.
author_sort Lee, Chih Feng
title Numerical study of an anisotropically supported rotor with parametric excitation
title_short Numerical study of an anisotropically supported rotor with parametric excitation
title_full Numerical study of an anisotropically supported rotor with parametric excitation
title_fullStr Numerical study of an anisotropically supported rotor with parametric excitation
title_full_unstemmed Numerical study of an anisotropically supported rotor with parametric excitation
title_sort numerical study of an anisotropically supported rotor with parametric excitation
publisher The Institution of Engineers, Malaysia
publishDate 2011
url http://dspace.unimap.edu.my/xmlui/handle/123456789/13689
_version_ 1643790971182252032
score 13.160551

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