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Keywords: mode shape
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. October 2023, 145(5): 051006.
Paper No: VIB-22-1422
Published Online: September 22, 2023
... better performance than traditional method. The prediction errors of bending modes are reduced from 20 ∼ 30% to 7%, and the maximum error of other modes is reduced from 72% to 23%. In addition, sensitivity analysis is performed to investigate the influence of vibration levels and mode shape inaccuracies...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. October 2019, 141(5): 054501.
Paper No: VIB-18-1302
Published Online: June 5, 2019
...Yao Zhang; Hai-Sheng Zhao; Seng-Tjhen Lie This paper shows an approach to evaluate mode shapes for beams through using a passing auxiliary mass. The coupled system of an auxiliary mass passing over a beam is time-dependent, and the corresponding instantaneous frequencies (IFs) are equivalent...
Topics: Mode shapes