界面是影响载荷传递、变形破坏的关键因素，具有广泛性、复杂性、低维性等特征。界面的力学研究往往伴随着接触、受限、失稳等复杂力学交互作用，蕴含着丰富的科学问题和力学难题。本课题组聚焦界面非线性力学研究，在生物膜壳“软界面”力学、纳米结构金属材料“硬界面”力学等方面开展科研创新工作。

软界面非线性力学

  生物膜壳结构作为一类典型的软界面，其与外界的力学交互行为丰富、复杂。准确定量描述生物膜壳的非线性大变形及其与纳米材料的力学交互行为，是调控细胞形状与胞吞等重要细胞力学行为的关键。

Nonlinear Mechanics of Soft Interfaces
  Biological membranes, a quintessential class of soft interfaces, exhibit intricate mechanical interactions with their external environment. Precisely quantifying their nonlinear large deformation and interactions with nanomaterials is essential for understanding and regulating key cellular processes, including cell shape modulation and endocytosis.

纳米结构金属材料界面力学  

  晶界、剪切带等多尺度界面结构强烈交互，对纳米结构金属材料与成形结构的力学性能有着重要影响。

Interfacial Mechanics of Nanostructured Metallic Materials
  Multiscale interfacial structures, including grain boundaries and shear bands, interact strongly, playing an essential role in shaping mechanical properties of nanostructured metallic materials and their fabricated components.