ME Seminar - On the Design of Mechanical Metastructures 机械超结构设计

Guest Speaker: Prof. FANG Xin 方鑫 教授

College of Intelligent Science and Technology
National University of Defense Technology
国防科技大学 智能科学学院

Professor Fang received his bachelor's degree from Beijing University of Aeronautics and Astronautics, PhD from National University of Defense Technology in China and Marie Curie University in France, and Postdoctoral Fellowship from the Hong Kong Polytechnic University. He is mainly engaged in the research of mechanical metamaterial structure and vibration control. He has published 36 SCl papers, 16 SCl papers in Nature Materials, Nature Communications, Physical Review Applied, Physical Review B and other journals as the independent first author, and applied for 19 national invention patents. He was awarded the First Prize of Natural Science in Hunan Province, China Emerging Science and Technology Personnel Award, and the Shangyin Bronze Prize of the Mechanical Engineering Society. He has presided over the National Natural Science Foundation of China (NSFC) special (key) project, the Excellent Youth Program, the Outstanding Youth Fund of Hunan Province, and the Subversive Technology of Science and Technology Commission and other project grants.

Vibration control is essential for ensuring the reliability and safety of most equipment like satellites, aircraft and high-speed trains. Mechanical metamaterial structures (collectively called meta-structures), a kind of artificial functional microstructures made of topological units, can produce extraordinary capabilities for controlling deformation and elastic wave. Thus, metastructures can provide new way for vibration control. The introduction of strong nonlinearities and smart tunability into metastructures have even brought groundbreaking changes. This presentation will report on the research progress in the theory and design methods of Nonlinear and Programmable metastructures. It will focus on the metamaterial’s strongly nonlinear wave/vibration control mechanisms, configuration design methods, multi-fields (heat-fluid-solid-acoustic) coupled dynamic properties, and programmable designs based on dynamic primitives.