纳米磨削分子动力学仿真Gear预测修正算法

石油化工高等学校学报 ›› 2007, Vol. 20 ›› Issue (2): 63-65.

纳米磨削分子动力学仿真Gear预测修正算法

赵恒华¹, 蔡光起²

1.辽宁石油化工大学机械工程学院,辽宁抚顺113001;2.东北大学机械工程与自动化学院,辽宁沈阳110004

收稿日期:2006-06-22 出版日期:2007-06-20 发布日期:2017-06-28
作者简介:赵恒华(1957-),辽宁新宾县,教授,博士。
基金资助:
国家自然科学基金资助(50475052)
辽宁省自然科学基金资助(20052211)

Gear's Predictor-Corrector Algorithms on Molecular Dynamics Simulation of Nanometer Grinding

ZHAO Heng-hua¹， CAI Guang-qi²

1. School of Mechanical Engineering, Liaoning University of Petroleum & Chemical Technology, Fushun Liaoning 113001, P.R.China;
2. School of Mechanical Engineering & Automation, Northeastern University, Shenyang Liaoning 110004, P.R.China

Received:2006-06-22 Published:2007-06-20 Online:2017-06-28

摘要/Abstract

摘要： 纳米磨削是实现超精密加工的重要方法,纳米磨削能产生极其薄的切屑,实验证明纳米磨削的切屑
厚度可以下降到1nm。因此可以使用分子动力学仿真来分析纳米磨削机理。运用Gear预测修正算法对磨粒原子
和工件原子之间的相互作用进行了研究。建立了分子动力学仿真的运动方程,对其进行了数值求解,从而获得了工
件原子变化后的位移和速度。

关键词: 纳米磨削 , 分子动力学 , 仿真技术 , 预测修正算法

Abstract: Nanometer grinding is the important methods of achieving the super- precision machining.The extremely thin chips can be produced by nanometer grinding. The experimental showed that the very fine chips can be down to 1 nm. Therefore molecular dynamics computer simulation can be used to analyze the mechanism of nanometer grinding.The subject which deals with the interaction between the grinding grain particles and workpiece particles was studied by the method of Gear’s predictor-corrector algorithms. The equation of motion was built up, and solved by numerical method. Then the speed and displacement of these particles were obtained.

Key words:

Nanometer grinding , , Molecular dynamics , , Simulation technology , , Predictor-corrector algorithms

赵恒华, 蔡光起. 纳米磨削分子动力学仿真Gear预测修正算法[J]. 石油化工高等学校学报, 2007, 20(2): 63-65.

ZHAO Heng-hua，CAI Guang-qi. Gear's Predictor-Corrector Algorithms on Molecular Dynamics Simulation of Nanometer Grinding[J]. Journal of Petrochemical Universities, 2007, 20(2): 63-65.

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