Abstract
The presence of damage significantly affects the system’s performance. Various damage detection methods are available to identify damage in engineering structures. The guided wave propagation-based nondestructive evaluation (NDE) methods have proven their potential to effectively identify damage in such advanced structures due to the long-distance inspection capability and the capacity to interrogate the whole thickness of a structure. Therefore, in the present study, the laser Doppler vibrometer (LDV) and numerical simulations are used to study the guided wave propagation and their capabilities to identify different types of damage regions in a sandwich-like structure comprising of an aramid core and aluminum skin. The piezoelectric sensor-based excitation is used. The damage involved in this study is barely visible impact damage (BVID) of different diameters and a hole. The presence of damages causes abrupt changes to the wave field of the guided waves. Full field and elliptical-based signal processing methods are used in determining the region of damage. Thus, the damage region is visualized in this comparative study.
| Original language | English |
|---|---|
| Title of host publication | Advances in Non-destructive Evaluation |
| Subtitle of host publication | Proceedings of NDE 2019 |
| Editors | C. K. Mukhopadhyay, Ravibabu Mulaveesala |
| Publisher | Springer Singapore |
| Pages | 73-84 |
| Number of pages | 12 |
| Edition | 1st |
| ISBN (Electronic) | 9789811601866 |
| ISBN (Print) | 9789811601859 |
| DOIs | |
| Publication status | Published - 29 Jun 2021 |
| Externally published | Yes |
| Event | Conference and Exhibition on Non Destructive Evaluation 2019 - Bengaluru, India Duration: 5 Dec 2019 → 7 Dec 2019 |
Publication series
| Name | Lecture Notes in Mechanical Engineering |
|---|---|
| Publisher | Springer |
| ISSN (Print) | 2195-4356 |
| ISSN (Electronic) | 2195-4364 |
Conference
| Conference | Conference and Exhibition on Non Destructive Evaluation 2019 |
|---|---|
| Abbreviated title | NDE 2019 |
| Country/Territory | India |
| City | Bengaluru |
| Period | 5/12/19 → 7/12/19 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 9 Industry, Innovation, and Infrastructure
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