{"title":"Adaptive Mesh Refinement and Embedded Boundary Method for Streamer Discharge Simulations","authors":"Bo Lin;Chijie Zhuang;Qingyuan Shi","doi":"10.1109/TMAG.2024.3456112","DOIUrl":null,"url":null,"abstract":"We simulate streamer discharges in both two and three dimensions using an adaptive Cartesian mesh refinement and the embedded boundary (EB) method. The simulations are based on a minimal fluid model, using a typical pin-plate domain. The EB method is applied to handle curved boundaries, and the adaptive mesh is introduced to reduce the number of degrees of freedom and improve the computational efficiency. Numerical experiments demonstrate the second-order convergence of the EB method and validate the efficiency of the adaptive mesh refinement (AMR). The effects of two different anode shapes are compared in 3-D streamer discharges, and the interaction of streamers near pin electrode is studied.","PeriodicalId":13405,"journal":{"name":"IEEE Transactions on Magnetics","volume":"60 12","pages":"1-4"},"PeriodicalIF":1.9000,"publicationDate":"2024-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE Transactions on Magnetics","FirstCategoryId":"5","ListUrlMain":"https://ieeexplore.ieee.org/document/10669620/","RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ENGINEERING, ELECTRICAL & ELECTRONIC","Score":null,"Total":0}
引用次数: 0
Abstract
We simulate streamer discharges in both two and three dimensions using an adaptive Cartesian mesh refinement and the embedded boundary (EB) method. The simulations are based on a minimal fluid model, using a typical pin-plate domain. The EB method is applied to handle curved boundaries, and the adaptive mesh is introduced to reduce the number of degrees of freedom and improve the computational efficiency. Numerical experiments demonstrate the second-order convergence of the EB method and validate the efficiency of the adaptive mesh refinement (AMR). The effects of two different anode shapes are compared in 3-D streamer discharges, and the interaction of streamers near pin electrode is studied.
期刊介绍：
Science and technology related to the basic physics and engineering of magnetism, magnetic materials, applied magnetics, magnetic devices, and magnetic data storage. The IEEE Transactions on Magnetics publishes scholarly articles of archival value as well as tutorial expositions and critical reviews of classical subjects and topics of current interest.
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