AUTHOR=Pany Chitaranjan , Li Guoqiang TITLE=Editorial: Application of periodic structure theory with finite element approach JOURNAL=Frontiers in Mechanical Engineering VOLUME=9 YEAR=2023 URL=https://www.frontiersin.org/journals/mechanical-engineering/articles/10.3389/fmech.2023.1192657 DOI=10.3389/fmech.2023.1192657 ISSN=2297-3079