2021年1月6日，实验室本学期第十五次全英文组会在A8号楼7楼召开，汇报人和汇报主题分别为：

博士研究生：Fei Ti, Effective modulus of liquid filled porous media with surface effects based on cubic model. 

Liquid saturated porous media are abundant in nature and engineering, and their pore size are usually at micro or nano scale. By far, the microstructure of liquid filled porous materials mainly consists of two kinds: hydrogel and liquid inclusion. However, these microstructures are special cases. In general, porous materials containing liquid usually have microstructure with open cell. We present a unit cubic cell micromechanics model to predict the effective poroelastic moduli of open cell liquid filled nanoporous materials. The theory of surface elasticity is adopted to incorporate the effects of surface on the effective properties of nanoporous soft materials with liquid.

硕士研究生：Yang Zhu, Research on bending-torsional coupling vibration of aero-engine rotor system. 

More than 90% of the failures of aero-engines come from vibration problems. In order to achieve accurate prediction of the dynamic characteristics of the actual engine rotor system, the flexural-torsional coupled vibration characteristics of the low-pressure rotor are analyzed. It can provide a certain reference for the design of the engine shaft and vibration reduction measures.