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An Atomistic Study of Elliptic Cross-Sectional Nanosprings

I-L. Chang1, M.-S. Yeh1
1 National Chung Cheng University, Chia-Yi, Taiwan.

Computer Modeling in Engineering & Sciences 2009, 41(2), 95-106.


One-dimensional copper nanospring with elliptic cross section was studied using molecular statics method based on minimum energy consideration. Various geometric sizes (wire semi-axis length, radius, pitch) and crystal orientations of nanosprings were systematically modeled to investigate the size dependence of elastic properties for both normal and binormal nanosprings. It was observed that as the wire semi-axis increases, and the radius and pitch decrease, the nanospring stiffness would increase irrespective to the crystal orientations. Moreover, it was noticed that the normal nanosprings always behave stiffer than the binormal ones for the same radius, pitch and cross-sectional geometry in our study.


Nanospring, molecular statics, spring constant, elliptic cross-section.

Cite This Article

Chang, I., Yeh, M. (2009). An Atomistic Study of Elliptic Cross-Sectional Nanosprings. CMES-Computer Modeling in Engineering & Sciences, 41(2), 95–106.

This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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