Modal methods for the analysis of cyclic symmetric structures

In this paper, the modal displacement and modal acceleration methods have been extended to the cyclic symmetry analysis in the semi-complex domain. The study of the influence of forcing frequency on the relative accuracy of the two modal methods is also made. It is shown that only few modes are suff...

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Veröffentlicht in:	Computers & structures 1994-03, Vol.50 (1), p.67-77
Hauptverfasser:	Balasubramanian, P., Jagadeesh, J.G., Suhas, H.K., Ramamurti, V.
Format:	Artikel
Sprache:	eng
Schlagworte:	Exact sciences and technology Fundamental areas of phenomenology (including applications) Physics Solid mechanics Structural and continuum mechanics Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...) Vibrations and mechanical waves
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Beschreibung
Zusammenfassung:	In this paper, the modal displacement and modal acceleration methods have been extended to the cyclic symmetry analysis in the semi-complex domain. The study of the influence of forcing frequency on the relative accuracy of the two modal methods is also made. It is shown that only few modes are sufficient to get accurate stresses in the case of modal acceleration method.
ISSN:	0045-7949 1879-2243
DOI:	10.1016/0045-7949(94)90438-3