Investigating the Effect of Contact Areas in Bolted Joints on Guided Wave Propagation - Dong, Han; Li, Jiaxin; Zhao, Bo; Yang, Bin (2024 18th Symposium on Piezoelectricity, Acoustic Waves, and Device Applications (SPAWDA), Piezoelectricity, Acoustic Waves, and Device Applications (SPAWDA), 2024 18th Symposium on, 2024)