Modeling crack in viscoelastic media using the extended finite element method

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作者：
YU TianTang REN QingWen Department of Engineering MechanicsHohai UniversityNanjing China [210098 ]
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Science China(Technological Sciences). | 2011年 / 54卷 / 06期
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摘要：
In this paper,the problem of modeling crack in 2D viscoelastic media is studied using the extended finite element method.The paper focuses on the definition of enrichment functions suitable for cracks assessment in viscoelastic media and the generalized domain integrals used in the determination of crack tip parameters.The opening mode and mixed mode solutions of crack tip fracture problems in viscoelastic media are also undertaken.The results obtained by the proposed method show good agreement with the analytical methods and provide reasonable background information to enhance the modeling of crack growth in viscoelastic media.
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