**About the Editors**

**Lien-Wen Chen** obtained his Ph.D. in Mechanical Engineering, Rensselaer Polytechnic Institute, USA. Then, he joined the member of department of Mechanical Engineering of National Cheng Kung University, Taiwan. He is expert in photonic and phononic crystal system, plate, shell and composite structure dynamics and he is the author of more than 165 papers about applications of those investigation topics.

**Jia-Yi Yeh** obtained the Ph.D. in department of Mechanical Engineering of National Cheng Kung University, Taiwan. He works in Dept. of Information Management, Chung Hwa University of Medical Technology, Tainan, Taiwan and act as associate professor and vice president for Library and Information Services. He majored in structure vibration and control and also published in sonic crystal applications. He is the author of more than 40 research papers and 60 conferences paper.
