Due to the COVID-19 pandemic in China and thus pervasive travel restrictions, AMMM 2021 organizing committees had to convert it to virtual style. Thanks a lot for all partcipants understanding and support. In the virtual conference, Local Chair: Prof. Lang Lihui, Beihang University, China made the opening remarks. Conference Chair: Prof. Sergei Alexandrov Beihang University, China & Institute for Problems in Mechanics of the Russian Academy of Science, Russia served as the conference host to chair the keynote speeches on Sep. 25, 2021. And Prof. Dr. Osamu TABATA, IEEE Fellow, Kyoto University of Advanced Science, Japan, Prof. Hisaki Watari, Tokyo Denki University, Japan, Prof. Henry Hu, University of Windsor, Canada, Prof. Zengtao Chen, ASME Fellow, University of Alberta, Canada made the keynote speeches, respectively. Afterwards, all participants made their virtual presentation, respectively.