考虑气隙效应的相邻物体间的静电/磁吸附力计算

doi:10.1007/s12204-021-2317-1

J Shanghai Jiaotong Univ Sci ›› 2023, Vol. 28 ›› Issue (2): 213-219.doi: 10.1007/s12204-021-2317-1

考虑气隙效应的相邻物体间的静电/磁吸附力计算

江鹏¹，李志彬¹，张龙²，李敬¹，张群³，关振群¹

（1. 大连理工大学工程力学系，辽宁大连116024；2. 安徽省交通规划设计研究总院股份有限公司，合肥230088；3. 英特工程仿真技术（大连）有限公司，辽宁大连116023)

收稿日期:2019-04-23 接受日期:2019-10-23 出版日期:2023-03-28 发布日期:2023-03-21

Calculation of Electrostatic/Magnetic Adhesion Force Between Adjacent Objects Considering Thin Gap Effect

JI江鹏¹，李志彬¹，张龙²，李敬¹，张群³，关振群¹

(1. Department of Engineering Mechanics, Dalian University of Technology, Dalian 116024, Liaoning, China; 2. Anhui Transport Consulting & Design Institute Co., Ltd., Hefei 230088, China; 3. INTESIM (Dalian) Co., Ltd., Dalian 116023, Liaoning, China)

Received:2019-04-23 Accepted:2019-10-23 Online:2023-03-28 Published:2023-03-21

摘要/Abstract

摘要： 本文提出了一种新的方法计算由薄间隙分隔的两个相邻物体之间的静电/磁吸附力。在该方法中，无需为间隙生成网格，通过在有限元模型中引入接触边界，获得合理的场分布；然后根据界面处的连续性条件来预测间隙中的场，从而合理地计算出吸附力。此外，本文引入了一个简单的等效电路模型来解释薄间隙如何显著影响吸附力。数值实验验证了所提方法的有效性以及薄间隙的重要性。

关键词: 静电吸附, 磁吸附, 接触边界, 薄间隙

Abstract: This paper presents a new approach to evaluating the electrostatic/magnetic adhesion force between two adjacent objects separated by a thin gap. In this approach, instead of generating mesh for the gap, a contact boundary is introduced in the finite element modeling to obtain a reasonable field distribution; then the field in the gap is approximated based on the continuity condition at their interface, so that the adhesion force can be properly calculated. Moreover, a simple equivalent circuit model is introduced to explain how the thin gap influences the adhesion force significantly. Numerical experiments are given to demonstrate the validity of the proposed method and the significance of the thin gap.

中图分类号:

TM 153+.3

江鹏, 李志彬, 张龙, 李敬, 张群, 关振群. 考虑气隙效应的相邻物体间的静电/磁吸附力计算[J]. J Shanghai Jiaotong Univ Sci, 2023, 28(2): 213-219.

JIANG Peng (江鹏), LI Zhibin (李志彬), ZHANG Long (张龙), LI Jing (李敬), ZHANG Qun (张群), GUAN Zhenqun∗ (关振群). Calculation of Electrostatic/Magnetic Adhesion Force Between Adjacent Objects Considering Thin Gap Effect[J]. J Shanghai Jiaotong Univ Sci, 2023, 28(2): 213-219.

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考虑气隙效应的相邻物体间的静电/磁吸附力计算

Calculation of Electrostatic/Magnetic Adhesion Force Between Adjacent Objects Considering Thin Gap Effect

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