{"title":"Study of absorbing boundary conditions in the 3D-TLM symmetrical condensed node model","authors":"Z. Chen, M. Ney, W. Hoefer","doi":"10.1109/MWSYM.1992.187989","DOIUrl":null,"url":null,"abstract":"The TLM (transmission line matrix) method is a numerical technique based on temporal and spatial sampling of electromagnetic fields. As with the FD-TD (finite-difference time-domain) method, the absorbing boundary conditions are needed to truncate computational regions when open structures are simulated. The FD-TD absorbing boundary conditions have been adapted to and implemented in the 3D-TLM symmetrical condensed node model. It is demonstrated that instability may occur due to spurious modes of the 3D-TLM condensed node mesh.<<ETX>>","PeriodicalId":165665,"journal":{"name":"1992 IEEE Microwave Symposium Digest MTT-S","volume":"2 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1992-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"1992 IEEE Microwave Symposium Digest MTT-S","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/MWSYM.1992.187989","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 4
Abstract
The TLM (transmission line matrix) method is a numerical technique based on temporal and spatial sampling of electromagnetic fields. As with the FD-TD (finite-difference time-domain) method, the absorbing boundary conditions are needed to truncate computational regions when open structures are simulated. The FD-TD absorbing boundary conditions have been adapted to and implemented in the 3D-TLM symmetrical condensed node model. It is demonstrated that instability may occur due to spurious modes of the 3D-TLM condensed node mesh.<>
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