摘要
基于二维Frenkel-Kontorova(FK)模型,运用分子动力学模拟方法,研究了原子数目对系统静摩擦力的影响.结果表明,公度(commensurate)情况下,错合角(misfit angle)θ=0°时,静摩擦力的大小与原子数目无关;θ≠0°时,静摩擦力随着原子数目的增大而减小.
The effects of the particles number to the static friction force are investigated based on the twodimensional Frenkel-Kontorova model in this paper. The method of molecular dynamics simulation is used. The results show that the static friction force is independent of the number of the particles when misfit angle θ=0°in the case of commensurate. The static friction force decrease while the number of the particles increase when θ≠0°.
出处
《西北师范大学学报（自然科学版）》
CAS
北大核心
2010年第1期33-36,共4页
Journal of Northwest Normal University(Natural Science)
基金
国家自然科学基金资助项目(10875098
50575217
50421502)
西北师范大学科技创新工程资助项目(NWNU-KJCXGC-03-48
NWNU-KJCXGC-03-17)
关键词
二维FK模型
分子动力学
静摩擦力
原子数目
two-dimensional FK model, method of melecular dynamics simulation
static friction force
number of the particles
