An enhanced time-reversal method for impact damage monitoring on plate-like structures

Chunlin Chen, Yulong Li, Fuh Gwo Yuan

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

Based on the self-focusing property of time-reversal (T-R) concept, a time focusing parameter was suggested to improve the impact source identification method developed in authors' previous work. This paper presents a further study on monitoring relatively high energy impact events which caused induced damage on structures. Numerical verifications for a finite isotropic plate and a composite plate under low velocity impacts are performed to demonstrate the versatility of T-R method for impact location detection with induced plastic deformation and delamination damage on metallic and composite structures respectively. The focusing property of T-R concept was adequately utilized to detect impact/damage location. The results show that impact events with various features can be localized using T-R method by introducing the time focusing parameter. It is suited to monitor serious impact events on plate like structures in practice in future.

源语言英语
主期刊名Advances in Fracture and Damage Mechanics XI
出版商Trans Tech Publications Ltd
365-368
页数4
ISBN(印刷版)9783037854631
DOI
出版状态已出版 - 2012
活动11th International Conference on Fracture and Damage Mechanics, FDM 2012 - Xian, 中国
期限: 18 9月 201221 9月 2012

出版系列

姓名Key Engineering Materials
525-526
ISSN(印刷版)1013-9826
ISSN(电子版)1662-9795

会议

会议11th International Conference on Fracture and Damage Mechanics, FDM 2012
国家/地区中国
Xian
时期18/09/1221/09/12

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