Abstract
A powerful Mindlin pseudospectral plate element is employed for efficiently simulating the Lamb wave propagation in damaged metallic and CFRP laminated structures. Extensive explorations are performed to analyze the influence of various wave parameters on the reflection intensity from various damages, such as delamination in CFRP laminates, hole and crack in metallic plates. It is found that there are multiple optimal excitation frequencies to induce the strongest reflection intensity, which are close to the resonant natural frequencies of the local damaged region. Also, it is possible to evaluate the damage size by using a proposed relationship between the damage size and the reflection intensity in metallic structures.
| Original language | English |
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| Title of host publication | Proceedings of the 10th International Conference on Computational Structures Technology, CST 2010 |
| Publisher | Civil-Comp Press |
| Volume | 93 |
| ISBN (Print) | 9781905088386 |
| Publication status | Published - 2010 Jan 1 |
| Event | 10th International Conference on Computational Structures Technology, CST 2010 - Valencia, Spain Duration: 2010 Sep 14 → 2010 Sep 17 |
Other
| Other | 10th International Conference on Computational Structures Technology, CST 2010 |
|---|---|
| Country/Territory | Spain |
| City | Valencia |
| Period | 10/9/14 → 10/9/17 |
Keywords
- CFRP laminates
- Damage identification
- Lamb wave
- Metallic structures
- Reflection intensity
ASJC Scopus subject areas
- Environmental Engineering
- Civil and Structural Engineering
- Computational Theory and Mathematics
- Artificial Intelligence