Yuyan Zhang was born in Shandong Province, China. She received her Ph.D. degree in mechanical engineering from the Beijing Institute of Technology, Beijing, China, in 2016. Since 2016, she has been a lecturer with the College of Mechanical and Electronic Engineering, Nanjing Forestry University, Nanjing, China. She is the author of more than 10 articles. Her research interests include the surface and interface problems in micro-/nano-electromechanical systems and the lubrication and dynamic analyses of high-speed rolling bearings.