Wei Liu received a B.S. degree in Mechanical Engineering from the Henan University of Technology, Zhengzhou, China, in 2017, ranking in the top 3% of his class. He is currently a Ph.D. candidate with the State Key Lab of Mechanics and Control of Mechanical Structure, Nanjing University of Aeronautics and Astronautics, Nanjing, China. His current research interests include acoustic finite element simulation, precision machining, and MEMS ultrasonic sensors.