Measurements and finite element simulations of guided waves propagating along linear and circular wedges

C. H. Yang*, J. S. Liaw

*此作品的通信作者

研究成果: 期刊稿件會議文章同行評審

4 引文 斯高帕斯(Scopus)

摘要

This paper is focused on the measurements and finite element analysis of wedge waves propagating along tips of circular wedges, with linear measurements as a benchmark. The measurement technique is a laser-generation/laser-detection laser ultrasound technique (LUT). Dynamic finite element analysis is employed for the investigation of dispersion behaviors of wedge waves. For linear wedge, our measurement and simulation results agree with previous reports. But for the case of circular wedge, very interesting phenomena is discovered for the first time. Dispersion relations with negative slope in the phase velocity-frequency space are discovered for the first anti-symmetric mode of the wedge wave for the first time.

原文英語
頁(從 - 到)1139-1142
頁數4
期刊Proceedings - IEEE Ultrasonics Symposium
2
出版狀態已出版 - 1998
事件Proceedings of the 1998 International Ultrasonics Symposium - Sendai, Miyagi, Jpn
持續時間: 05 10 199808 10 1998

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