ANALYSIS OF CARBON NANOTUBE-BASED NANOBALANCE USING THE CHEMICAL BOND ELEMENT METHOD

摘要：

In this paper,a kind of three dimensional (3-D) chemical bond element model is proposed for the simulation of the dynamics behaviors of carbon nanotube-based nanobalance based upon molecular mechanics method.Chemical bonds between carbon atoms are modeled by chemical bond elements.The constants of sub-stiffness matrix are determined by using the linkage between molecular mechanics and continuum mechanics.The simplest nanobalance is made up of a cantilevered nanotube and a particle attached to the nanotube.This method is applied to simulate the resonant frequency of nanobalance and resonant frequency shift,the relationship between the resonant frequency shift and the attached particle mass is the fundamental concept which has been applied to a carbon nanotube-based nanobalance to detect nanoscopic particles.The sensitivity of resonant frequency shifts to tube length,diameter and the location of particle has been demonstrated.

关键词： single-walled carbon nanotubes (SWCNTs) Nanobalance Molecular mechanics

作者: J.N.Lv H.B.Chen

作者单位: Department of Modern Mechanics,University of Science and Technology of ChinaHefei 230027,P.R.China

会议类型: 国际会议

会议名称: 第二届国际非均质材料力学会议(The Second International Conference on Heterogeneous Material Mechanics)

会议地点: 安徽黄山

会议语种:英文

页码: 178-182

在线出版日期: 2008-06-03（万方平台首次上网日期，不代表论文的发表时间）