{"title":"脉冲中兰姆波分量的相速度和群速度","authors":"E. Moreno, M. Castillo, P. Acevedo","doi":"10.1109/ULTSYM.1999.849526","DOIUrl":null,"url":null,"abstract":"This paper describes a theoretical and experimental study of the pulse propagation in plates, using Fourier-Laplace transform for the solution of Lame equations. It is shown that a pulse in a plate is formed by three fundamental components with its own dispersion relation. One of these components is the antisymmetrical Lamb wave, which is identified in the experiments.","PeriodicalId":339424,"journal":{"name":"1999 IEEE Ultrasonics Symposium. Proceedings. International Symposium (Cat. No.99CH37027)","volume":"77 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1999-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Phase and group velocity in components of Lamb waves in pulses\",\"authors\":\"E. Moreno, M. Castillo, P. Acevedo\",\"doi\":\"10.1109/ULTSYM.1999.849526\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper describes a theoretical and experimental study of the pulse propagation in plates, using Fourier-Laplace transform for the solution of Lame equations. It is shown that a pulse in a plate is formed by three fundamental components with its own dispersion relation. One of these components is the antisymmetrical Lamb wave, which is identified in the experiments.\",\"PeriodicalId\":339424,\"journal\":{\"name\":\"1999 IEEE Ultrasonics Symposium. Proceedings. International Symposium (Cat. No.99CH37027)\",\"volume\":\"77 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1999-10-17\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"1999 IEEE Ultrasonics Symposium. Proceedings. International Symposium (Cat. No.99CH37027)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ULTSYM.1999.849526\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"1999 IEEE Ultrasonics Symposium. Proceedings. International Symposium (Cat. No.99CH37027)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ULTSYM.1999.849526","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Phase and group velocity in components of Lamb waves in pulses
This paper describes a theoretical and experimental study of the pulse propagation in plates, using Fourier-Laplace transform for the solution of Lame equations. It is shown that a pulse in a plate is formed by three fundamental components with its own dispersion relation. One of these components is the antisymmetrical Lamb wave, which is identified in the experiments.
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