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The Prediction of Elastic Behavior of the Nano-Sized Honeycombs Based on the Continuum Theory  

Lee, Yong-Hee (서울대학교 기계항공공학부 멀티스케일 기계설계)
Jeong, Joon-Ho (서울대학교 협동과정 자동차공학)
Cho, Maeng-Hyo (서울대학교 기계항공공학부)
Publication Information
Journal of the Computational Structural Engineering Institute of Korea / v.24, no.4, 2011 , pp. 413-419 More about this Journal
Abstract
The nano-size hoenycomb structures have the higher ratio of the surface to the volume than macro-size honeycomb structures, and they can maximize the functionality of the electrical and chemical catalyst. The mechanical behaviors of the nano-sized structures are different from ones of the macro-size structure, and it is caused by the surface effect. This surface effect can be investigated by the atomistic simulation; however, the prediction of mechanical behaviors of the nano-sized honeycombs are practically impossible due to excessive computational resources and computation time. In this paper, by combining the bridging method considering the surface stress elasticity model with homogenization method, the mechanical behaviors of the nano-sized honeycombs are predicted efficiently.
Keywords
surface effect; nano honeycomb structure; homogenization; dimensional reduction; multiscale analysis;
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