# A theoretical model of the intermittent contact of piezoelectric actuator based on Greenwood-Williamson theory

> Research article (Ultrasonics, 2021) · cited 12× · AI/ML

**Wikidata**: [openalex:W3142562107](https://www.wikidata.org/wiki/openalex:W3142562107)  
**Source**: https://4ort.xyz/entity/a-theoretical-model-of-the-intermittent-contact-of-piezoelectric-actuator-based-on-greenwood-williamson-theory