物理与工程2025，Vol.35Issue(2)：46-52,7.
基于COMSOL Multiphysic的电枢/轨道接触界面多物理场耦合与教学应用
MULTI-FIELD COUPLING AT ARMATURE-RAIL CONTACT INTERFACE BASED ON COMSOL MULTIPHYSICS AND TEACHING APPLICATION
摘要
Abstract
In teaching of electromagnetic launch theory and technology courses,the armature/rail contact theory involves multi-field coupling processes such as structural mechanics,elec-tromagnetism,and thermodynamics,which are relatively abstract and complex.Electromag-netic launching experiment relies on expensive pulse power supply and launching material,and its operation and safety control have a high risk,which makes it difficult to carry out experi-mental teaching.To address above teaching difficulties,COMSOL is introduced in multi-field coupling teaching at armature-rail contact interfaces.Taking current distribution at armature-rail interface as a teaching case,the software's application enables students to master manual modelling of armature/rail,calculation of interference contact pressure,coupling settings of structural mechanics and electromagnetic module,and viewing pressure and current distribu-tion at 2D/3D contact interface.Compared with theoretical teaching,the experimental teach-ing based on COMSOL Multiphysics can effectively visualize multi-field coupling process at contact interface,which makes the teaching of the"Electromagnetic Launch Theory and Technology"course more persuasive,and improves teaching effectiveness and professional level.The research results help to improve students'logical thinking and active investigation ability,and provide a useful reference for introduction of simulation software to integrate the-oretical teaching and visual simulation in physics teaching.关键词
电磁发射/接触界面/多物理场耦合/实验课程/COMSOLKey words
electromagnetic launch/contact interface/multi-field coupling/experimental teaching/COMSOL引用本文复制引用
姚金明,张腾飞,韩辉,杨艳,吴巨爱..基于COMSOL Multiphysic的电枢/轨道接触界面多物理场耦合与教学应用[J].物理与工程,2025,35(2):46-52,7.基金项目
国家自然科学基金(52207009) （52207009）
江苏省学位与研究生教育教学改革课题(JGKT24_B013) （JGKT24_B013）
南京邮电大学教学改革项目(JG00521JX40). （JG00521JX40）
