摘要
磁感线在许多磁场相关问题的分析中发挥着重要作用,以往文献关于磁感线可视化方法的讨论主要集中在“如何使磁感线上每一点的切线方向与该点的磁感应强度的方向一致”,而忽略了“如何使磁感线疏密程度反映磁场强弱”这一物理要求。本文基于Python编程语言,以圆电流磁场磁感线的可视化方法为例,具体介绍了如何使绘制出的磁感线满足“疏密程度反映磁场强弱”这一物理要求的取样方法和实现过程.该方法原理简单,通用性强。
Magnetic field lines play a significant role in the analysis of many magnetic field-related problems.Previous literature on visualization methods of magnetic field lines has predominantly focused on"ensuring that the tangential direction at each point along a field line aligns with the direction of the local magnetic induction intensity vector",while neglecting the physical requirement of"using line density to reflect magnetic field strength".Based on Python programming language,taking the visualization method of magnetic field lines of the magnetic field of a circular current as an example,the sampling method and implementation process of making the drawn magnetic field lines meet the physical requirement of"the density of the lines reflects the strength of the magnetic field"are introduced in detail.This method features simple principles and strong general applicability.
作者
宋立涛
何杰
王杰芳
SONG Litao;HE Jie;WANG Jiefang(School of Physics and Laboratory of Zhongyuan Light,Zhengzhou University,Zhengzhou,Henan 450001;School of Physics,Henan University of Technology,Zhengzhou,Henan 450001)
出处
《物理与工程》
2025年第6期47-51,55,共6页
Physics and Engineering
基金
郑州大学数智化一流课程(2024ZZUYLKC017)
郑州大学教改项目(2024ZZUJGXM053)
河南工业大学智慧课程(2024zhkc-65)。
关键词
电磁学
磁感线
可视化
PYTHON
electromagnetism
magnetic field lines
visualization
Python
