{"title":"介绍线弹性材料的断裂力学","authors":"C. Dascalu","doi":"10.1080/17747120.2007.9692968","DOIUrl":null,"url":null,"abstract":"ABSTRACT This contribution introduces the basic concepts of Fracture Mechanics in linear elastic materials. A brief review of the history of Fracture Mechanics is given in the first section of the paper. Then we present the asymptotic behavior of the mechanical fields near the crack fronts. Basic fracture modes and corresponding stress intensity factors are defined. An energy analysis of crack propagation is performed, the energy released rate and the path-independent J integral are introduced. We finally present fracture propagation criteria, for simple or mixed mode loadings.","PeriodicalId":368904,"journal":{"name":"Revue Européenne de Génie Civil","volume":"81 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2007-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"An introduction to fracture mechanics in linear elastic materials\",\"authors\":\"C. Dascalu\",\"doi\":\"10.1080/17747120.2007.9692968\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"ABSTRACT This contribution introduces the basic concepts of Fracture Mechanics in linear elastic materials. A brief review of the history of Fracture Mechanics is given in the first section of the paper. Then we present the asymptotic behavior of the mechanical fields near the crack fronts. Basic fracture modes and corresponding stress intensity factors are defined. An energy analysis of crack propagation is performed, the energy released rate and the path-independent J integral are introduced. We finally present fracture propagation criteria, for simple or mixed mode loadings.\",\"PeriodicalId\":368904,\"journal\":{\"name\":\"Revue Européenne de Génie Civil\",\"volume\":\"81 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2007-08-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Revue Européenne de Génie Civil\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1080/17747120.2007.9692968\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Revue Européenne de Génie Civil","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1080/17747120.2007.9692968","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
An introduction to fracture mechanics in linear elastic materials
ABSTRACT This contribution introduces the basic concepts of Fracture Mechanics in linear elastic materials. A brief review of the history of Fracture Mechanics is given in the first section of the paper. Then we present the asymptotic behavior of the mechanical fields near the crack fronts. Basic fracture modes and corresponding stress intensity factors are defined. An energy analysis of crack propagation is performed, the energy released rate and the path-independent J integral are introduced. We finally present fracture propagation criteria, for simple or mixed mode loadings.
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