期刊
ACTA MECHANICA SOLIDA SINICA
卷 32, 期 2, 页码 133-147出版社
SPRINGER
DOI: 10.1007/s10338-019-00079-6
关键词
Micro/nanoscales; Curvature-driven forces; Natural exponential pair potential; Curvature-based potential
资金
- Natural Science Foundation of Jiangsu Province [BK20180411, BK20180416]
- Nanjing University of Aeronautics and Astronautics [56SYAH17065, 90YAH17065]
The natural exponential potential (Ce-R/0) widely exists at micro/nanoscales; this paper studies the interaction potential between a curved-surface body and an outside particle base on the natural exponential potential. Mathematical derivation proves that the interaction potential can be expressed as a function of curvatures. Then, idealized numerical experiments are designed to verify the accuracy of the curvature-based potential. The driving forces exerted on the particle are discussed and confirmed to be a function of curvatures and the gradient of curvatures, which may explain some abnormal movements at micro/nanoscales.
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