Abstract
Radiation pattern is an important characteristic of Lamb waves when applied to nondestructive testing and evaluation. However, this character cannot be analyzed by 2-D analytical or numerical models. In this paper, a 3-D finite element (FE) model is presented and frequency domain analysis is used to study the acoustic field of Lamb waves generated by electromagnetic acoustic transducers (EMATs). Based on the FE model, the divergence angle of S0 Lamb wave is calculated to be 6.6°. Experiments are carried out to measure the in-plane displacements of Lamb waves and experiment results agree well with the simulation results.
Original language | English |
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Title of host publication | FENDT 2014 - Proceedings, 2014 IEEE Far East Forum on Nondestructive Evaluation/Testing |
Subtitle of host publication | New Technology and Application, Increasingly Perfect NDT/E |
Editors | Qinxue Pan, Chunguang Xu, Liu Yang |
Publisher | Institute of Electrical and Electronics Engineers Inc. |
Pages | 102-106 |
Number of pages | 5 |
ISBN (Electronic) | 9781479947300 |
ISBN (Print) | 9781479947317 |
DOIs | |
Publication status | Published - 16 Oct 2014 |
Event | 2014 IEEE 11th Far East Forum on Nondestructive Evaluation/Testing: New Technology and Application, FENDT 2014 - Chengdu, China Duration: 20 Jun 2014 → 23 Jun 2014 |
Conference
Conference | 2014 IEEE 11th Far East Forum on Nondestructive Evaluation/Testing: New Technology and Application, FENDT 2014 |
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Country/Territory | China |
City | Chengdu |
Period | 20/06/14 → 23/06/14 |
Keywords
- EMATs
- finite element model
- Lamb wave
- radiation pattern