Computational micromagnetics with Commics

We present our open-source Python module Commics for the study of the magnetization dynamics in ferromagnetic materials via micromagnetic simulations. It implements state-of-the-art unconditionally convergent finite element methods for the numerical integration of the Landau–Lifshitz–Gilbert equation. The implementation is based on the multiphysics finite element software Netgen/NGSolve. The simulation scripts are written in Python, which leads to very readable code and direct access to extensive post-processing. Together with documentation and example scripts, the code is freely available on GitLab.

本文提出开源Python模块Commics，用于通过微磁模拟研究铁磁材料中的磁化动力学行为。该模块实现了用于朗道-利夫希茨-吉尔伯特（Landau–Lifshitz–Gilbert）方程数值积分的前沿无条件收敛有限元方法。此实现基于多物理场有限元软件Netgen/NGSolve。模拟脚本采用Python编写，不仅代码可读性极佳，还可直接调用丰富的后处理功能。本代码连同配套文档与示例脚本，可在GitLab平台免费获取。