{"title":"一种构造IE-ODDM预置条件的方法","authors":"Guang-Yu Zhu, Houxing Zhou, Yi-Zhi Li, W. Hong","doi":"10.1109/APCAP.2017.8420926","DOIUrl":null,"url":null,"abstract":"A method of constructing preconditioners for the IEODDM is proposed, and it needs a two-level decomposition, in which level-1 subdomain corresponds to the basic IE-ODDM subdomain, and level-2 subdomain is used to build preconditioners for Krylov subspace solver for each level-1 extended region. Numerical results show that the number of Krylov subspace iterations for a subdomain solution is greatly reduced compared with the previous IE-ODDM.","PeriodicalId":367467,"journal":{"name":"2017 Sixth Asia-Pacific Conference on Antennas and Propagation (APCAP)","volume":"126 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"A method of constructing preconditioned for IE-ODDM\",\"authors\":\"Guang-Yu Zhu, Houxing Zhou, Yi-Zhi Li, W. Hong\",\"doi\":\"10.1109/APCAP.2017.8420926\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A method of constructing preconditioners for the IEODDM is proposed, and it needs a two-level decomposition, in which level-1 subdomain corresponds to the basic IE-ODDM subdomain, and level-2 subdomain is used to build preconditioners for Krylov subspace solver for each level-1 extended region. Numerical results show that the number of Krylov subspace iterations for a subdomain solution is greatly reduced compared with the previous IE-ODDM.\",\"PeriodicalId\":367467,\"journal\":{\"name\":\"2017 Sixth Asia-Pacific Conference on Antennas and Propagation (APCAP)\",\"volume\":\"126 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2017-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2017 Sixth Asia-Pacific Conference on Antennas and Propagation (APCAP)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/APCAP.2017.8420926\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2017 Sixth Asia-Pacific Conference on Antennas and Propagation (APCAP)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/APCAP.2017.8420926","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A method of constructing preconditioned for IE-ODDM
A method of constructing preconditioners for the IEODDM is proposed, and it needs a two-level decomposition, in which level-1 subdomain corresponds to the basic IE-ODDM subdomain, and level-2 subdomain is used to build preconditioners for Krylov subspace solver for each level-1 extended region. Numerical results show that the number of Krylov subspace iterations for a subdomain solution is greatly reduced compared with the previous IE-ODDM.
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