Recent advances in the MICHELLE 2D/3D electron gun and collector modeling code

Fifth IEEE International Vacuum Electronics Conference (IEEE Cat. No.04EX786) Pub Date : 2004-04-27 DOI:10.1109/IVELEC.2004.1316341

J. Petillo, K. Eppley, L. Chernyakova, D. Panagos, J. Burdette, E. Nelson, X. Zhai, N. Dionne, M. Cattelino, J. Deford, K. Nguyen, B. Held, B. Levush

{"title":"Recent advances in the MICHELLE 2D/3D electron gun and collector modeling code","authors":"J. Petillo, K. Eppley, L. Chernyakova, D. Panagos, J. Burdette, E. Nelson, X. Zhai, N. Dionne, M. Cattelino, J. Deford, K. Nguyen, B. Held, B. Levush","doi":"10.1109/IVELEC.2004.1316341","DOIUrl":null,"url":null,"abstract":"The MICHELLE code is a new Finite-Element (FE) two-dimensional (2D) and three-dimensional (3D) electrostatic particle-in-cell (PIC) code that has been designed to address the recent beam optics modeling and simulation requirements for vacuum electron devices, ion sources, and charged-particle transport. Problem classes specifically targeted include depressed collectors, gridded-guns, multi-beam guns and sheet-beam guns. The focus of the development program is to combine modern finite-element techniques with improved physics models. The code employs a conformal mesh, including both structured and unstructured mesh architectures for meshing flexibility, along with a new method for accurate, efficient particle tracking. New particle emission models for thermionic beam representation are included that support primary emission, and secondary emission is handled with an advanced model. This presentation focuses on two significant advances to MICHELLE over the past year; hybrid structured/unstructured mesh support, and a time-domain electrostatic algorithm.","PeriodicalId":283559,"journal":{"name":"Fifth IEEE International Vacuum Electronics Conference (IEEE Cat. No.04EX786)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2004-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"6","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Fifth IEEE International Vacuum Electronics Conference (IEEE Cat. No.04EX786)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IVELEC.2004.1316341","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}

引用次数: 6

Abstract

The MICHELLE code is a new Finite-Element (FE) two-dimensional (2D) and three-dimensional (3D) electrostatic particle-in-cell (PIC) code that has been designed to address the recent beam optics modeling and simulation requirements for vacuum electron devices, ion sources, and charged-particle transport. Problem classes specifically targeted include depressed collectors, gridded-guns, multi-beam guns and sheet-beam guns. The focus of the development program is to combine modern finite-element techniques with improved physics models. The code employs a conformal mesh, including both structured and unstructured mesh architectures for meshing flexibility, along with a new method for accurate, efficient particle tracking. New particle emission models for thermionic beam representation are included that support primary emission, and secondary emission is handled with an advanced model. This presentation focuses on two significant advances to MICHELLE over the past year; hybrid structured/unstructured mesh support, and a time-domain electrostatic algorithm.

查看原文本刊更多论文

MICHELLE二维/三维电子枪和集热器建模代码的最新进展

MICHELLE代码是一种新的有限元(FE)二维(2D)和三维(3D)静电粒子池(PIC)代码，旨在解决真空电子器件、离子源和带电粒子输运的最新光束光学建模和仿真要求。具体针对的问题类别包括压抑式集热器、网格枪、多束枪和板束枪。开发计划的重点是将现代有限元技术与改进的物理模型相结合。该代码采用保形网格，包括结构化和非结构化网格架构，以实现网格划分的灵活性，以及精确，高效的粒子跟踪的新方法。提出了支持一次发射的新型热电子束粒子发射模型，并用先进的模型处理二次发射。这次演讲的重点是MICHELLE在过去一年中取得的两项重大进展;混合结构化/非结构化网格支持，以及时域静电算法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

求助全文

约1分钟内获得全文求助全文

来源期刊

Fifth IEEE International Vacuum Electronics Conference (IEEE Cat. No.04EX786)

自引率

0.00%

发文量