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VIBRATION ANALYSIS OF SHAFT-BLADED DISK SYSTEM BY USING SUBSTRUCTURE SYNTHESIS AND ASSUMED MODES METHOD

✍ Scribed by Sang-Bok Chun; Chong-Wen Lee

Publisher: Elsevier Science
Year: 1996
Tongue: English
Weight: 720 KB
Volume: 189
Category: Article
ISSN: 0022-460X
DOI: 10.1006/jsvi.1996.0038

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✦ Synopsis

An analytical substructure synthesis and assumed modes method is developed to investigate the effect of the flexibility of a bladed disk assembly on the vibrational modes of a flexible rotor system. In modeling the system, Coriolis forces, gyroscopic moments and centrifugal stiffening effects are taken into account. Then the coupled vibrations between the shaft and bladed disk are extensively investigated, by using simplistic models, as the shaft rotational speed and the pretwist and stagger angles of blade are varied.

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