Identification of Delamination in Composite Beams using the Fractal Dimension-Based Damage Identification Algorithm
| Autor: | Michał Zuba, Andrzej Katunin |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
Physics
business.industry Delamination Aerospace Engineering 020101 civil engineering 02 engineering and technology Structural engineering Fractal dimension Composite beams 0201 civil engineering Identification (information) 020303 mechanical engineering & transports 0203 mechanical engineering Mechanics of Materials Nondestructive testing Safety Risk Reliability and Quality business Civil and Structural Engineering |
| Zdroj: | Fatigue of Aircraft Structures. 2017:5-16 |
| ISSN: | 2300-7591 |
| Popis: | Damage detection and identification is one of the most important tasks of proper operation of technical objects and structures. It is, therefore, essential to develop efficient and sensitive methods of early damage detection. Delamination is the type of damage occurring in laminated composites that is one of the most dangerous and most difficult to detect. In this paper, the computational study was performed on the numerical data of the modal shapes of laminated composite beams with simulated delaminations in order to detect them using a fractal dimension-based approach. The obtained results allowed for improvement of detection accuracy as compared to previously applied wavelet-based approach. An additional benefit was decreasing the computational time. Basing on the obtained results it is reasonable to consider the presented approach as a promising alternative to currently applied signal processing methods used for supporting non-destructive testing of structures. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|