{"title":"用小波变换研究兰姆波与管道周向缺口的相互作用","authors":"Zong-qi Sun, Y. Mao, Wen‐hua Jiang, D. Zhang","doi":"10.1109/ULTSYM.2000.922670","DOIUrl":null,"url":null,"abstract":"Mode analysis of Lamb waves propagating in an aluminum alloyed pipe is carried out using wavelet transform (WT). With the aid of the technique the interaction of Lamb waves with a circumferential notch is investigated. It is found that different Lamb wave modes propagating in the pipe can be distinguished clearly by means of wavelet transformation. Therefore, the mode conversion caused by existence of the notch has been unambiguously observed.","PeriodicalId":350384,"journal":{"name":"2000 IEEE Ultrasonics Symposium. Proceedings. An International Symposium (Cat. No.00CH37121)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2000-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"12","resultStr":"{\"title\":\"Investigation on interaction of Lamb waves and circumferential notch in pipe by means of wavelet transform\",\"authors\":\"Zong-qi Sun, Y. Mao, Wen‐hua Jiang, D. Zhang\",\"doi\":\"10.1109/ULTSYM.2000.922670\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Mode analysis of Lamb waves propagating in an aluminum alloyed pipe is carried out using wavelet transform (WT). With the aid of the technique the interaction of Lamb waves with a circumferential notch is investigated. It is found that different Lamb wave modes propagating in the pipe can be distinguished clearly by means of wavelet transformation. Therefore, the mode conversion caused by existence of the notch has been unambiguously observed.\",\"PeriodicalId\":350384,\"journal\":{\"name\":\"2000 IEEE Ultrasonics Symposium. Proceedings. An International Symposium (Cat. No.00CH37121)\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2000-10-22\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"12\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2000 IEEE Ultrasonics Symposium. Proceedings. An International Symposium (Cat. No.00CH37121)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ULTSYM.2000.922670\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2000 IEEE Ultrasonics Symposium. Proceedings. An International Symposium (Cat. No.00CH37121)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ULTSYM.2000.922670","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Investigation on interaction of Lamb waves and circumferential notch in pipe by means of wavelet transform
Mode analysis of Lamb waves propagating in an aluminum alloyed pipe is carried out using wavelet transform (WT). With the aid of the technique the interaction of Lamb waves with a circumferential notch is investigated. It is found that different Lamb wave modes propagating in the pipe can be distinguished clearly by means of wavelet transformation. Therefore, the mode conversion caused by existence of the notch has been unambiguously observed.
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