Periodic Stability and Sensitivity Analysis of Rotating Machinery

Aykut Tamer; Pierangelo Masarati

doi:10.1007/978-3-319-06590-8_170

Periodic Stability and Sensitivity Analysis of Rotating Machinery

Aykut Tamer, Pierangelo Masarati

Department of Mechanical Engineering

Politecnico di Milano

Research output: Chapter or section in a book/report/conference proceeding › Chapter in a published conference proceeding

9 Citations (SciVal)

Abstract

This work presents the evaluation of periodic stability of rotating machinery and its sensitivity analysis. The stability criterion is based on the characteristic exponents or more generally the eigenvalues of the monodromy matrix of the periodic system following Floquet’s Theory. Parametric sensitivity of the stability is formulated to provide a methodology for robustness in rotating machinery analysis and design. The problem is formulated for a generic rotating dynamical system having periodic coefficients and demonstrated on a helicopter blade in forward flight and on a cracked rotating shaft.

Original language	English
Title of host publication	Proceedings of the 9th IFToMM International Conference on Rotor Dynamics
Editors	Paolo Pennacchi
Publisher	Kluwer Academic Publishers
Pages	2059-2070
Number of pages	12
Volume	21
ISBN (Electronic)	9783319065908
ISBN (Print)	9783319065892
DOIs	https://doi.org/10.1007/978-3-319-06590-8_170
Publication status	Published - 26 May 2015
Event	9th IFToMM International Conference on Rotor Dynamics, 2014 - Milan, Italy Duration: 22 Sept 2014 → 25 Sept 2014

Publication series

Name	Mechanisms and Machine Science
Volume	21
ISSN (Print)	2211-0984
ISSN (Electronic)	2211-0992

Conference

Conference	9th IFToMM International Conference on Rotor Dynamics, 2014
Country/Territory	Italy
City	Milan
Period	22/09/14 → 25/09/14

Bibliographical note

Publisher Copyright:
© Springer International Publishing Switzerland 2015.

Keywords

Floquet theory
Periodic stability
Sensitivity analysis

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering

Access to Document

10.1007/978-3-319-06590-8_170

Cite this

Periodic Stability and Sensitivity Analysis of Rotating Machinery. / Tamer, Aykut; Masarati, Pierangelo.
Proceedings of the 9th IFToMM International Conference on Rotor Dynamics. ed. / Paolo Pennacchi. Vol. 21 Kluwer Academic Publishers, 2015. p. 2059-2070 (Mechanisms and Machine Science; Vol. 21).

Research output: Chapter or section in a book/report/conference proceeding › Chapter in a published conference proceeding

Tamer, A & Masarati, P 2015, Periodic Stability and Sensitivity Analysis of Rotating Machinery. in P Pennacchi (ed.), Proceedings of the 9th IFToMM International Conference on Rotor Dynamics. vol. 21, Mechanisms and Machine Science, vol. 21, Kluwer Academic Publishers, pp. 2059-2070, 9th IFToMM International Conference on Rotor Dynamics, 2014, Milan, Italy, 22/09/14. https://doi.org/10.1007/978-3-319-06590-8_170

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AB - This work presents the evaluation of periodic stability of rotating machinery and its sensitivity analysis. The stability criterion is based on the characteristic exponents or more generally the eigenvalues of the monodromy matrix of the periodic system following Floquet’s Theory. Parametric sensitivity of the stability is formulated to provide a methodology for robustness in rotating machinery analysis and design. The problem is formulated for a generic rotating dynamical system having periodic coefficients and demonstrated on a helicopter blade in forward flight and on a cracked rotating shaft.

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Periodic Stability and Sensitivity Analysis of Rotating Machinery

Abstract

Publication series

Conference

Bibliographical note

Keywords

ASJC Scopus subject areas

Access to Document

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Cite this