# Combined two-level damage identification strategy using ultrasonic guided waves and physical knowledge assisted machine learning

> Research article (Ultrasonics, 2021) · cited 116× · AI/ML

**Wikidata**: [openalex:W3159137010](https://www.wikidata.org/wiki/openalex:W3159137010)  
**Source**: https://4ort.xyz/entity/combined-two-level-damage-identification-strategy-using-ultrasonic-guided-waves-and-physical-knowledge-assisted-machine-