Institute of Mechanics of Chinese Academy of Sciences (IMECH, IMCAS, 中国科学院力学研究所) is a mechanics research institution. It operates in the fields of micro-scale mechanics and trans-scale correlation, high-temperature gas dynamics and trans-atmosphere flight, microgravity science and its applications, key mechanical problems in oceanic engineering, environment, energy and transportation, mechanics in advanced manufacturing, biomechanics, and bioengineering.