arXiv subjects

K. -N. Chiang

Publications and source records attributed to K. -N. Chiang.

2 recordsLinked to original sources

arXiv2007

Numerical Simulation of The Mechanical Properties of Nanoscale Metal Clusters Using The Atomistic-Continuum Mechanics Method

A novel atomistic-continuum method (ACM) based on finite element method (FEM) is proposed to numerically simulate the nano-scaled Poisson's ratio and Young's modulus effect of Lithium (Li) body-centered cubic (BCC) structure. The potential energy between Li atoms is described by the Morse potential function [1]. The pre-force effect will be discussed due to the different Li lattice length between experimental lattice constant and diatom distance from Morse function. Moreover, the size effect of the nano-scaled Li cluster will be introduced.

cond-mat.mtrl-sci↗

arXiv2007

Numerical Simulation of The Mechanical Properties of Carbon Nanotube Using the Atomistic-Continuum Mechanics

This paper the utilizes atomistic-continuum mechanics (ACM) to investigate the mechanical properties of single-walled carbon nanotubes (SWCNTs). By establishing a linkage between structural mechanics and molecular mechanics, not only the Young's moduli could be obtained but also the modal analysis could be achieved. In addition, according to atomistic-continuum mechanics and finite element method, an effective atomistic-continuum model is constructed to investigate the above two mechanical properties of SWCNTs with affordable computational time by personal computers. The validity of the results is demonstrated by comparing them with existing results.

cond-mat.mtrl-sci↗