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Stress intensity factor histories for a 3D crack moving steadily and unsteadily
Liu CT(柳春图); Li XP; Liu, CT (reprint author), ACAD SINICA,INST MECH,BEIJING 100080,PEOPLES R CHINA.
Source PublicationADVANCES IN FRACTURE RESEARCH, VOLS 1-6
1997
Conference Name9th International Conference in Fracture (ICF9)
Conference DateAPR 01-05, 1997
Conference PlaceSYDNEY, AUSTRALIA
AbstractThis paper summarizes some results on stress intensity factor (SIF) histories for a 3D crack moving steadily and unsteadily. In the first part,elastodynamic SIF for a unbounded solid containing a planar crack that propagates at a constant velocity under 3D time-independent loading is considered. The solutions of a general loading are expressed out in term of superposition integral based on the fundamental solution procedure. In the last part,using the form of Willis et al (1995) of dynamic mode I weight function for a moving crack,the propagation of a planar crack with a perturbation from straightness of the edge and the associated perturbation of the SIF is investigated. The result snows that the oscillatory crack tip motion through brittle,locally heterogeneous materials could be the basis for careful recent measurements by Gross et al(1993).
WOS IDWOS:A1997BJ89P00242
ISBN0-08-042820-7
Indexed ByCPCI-S
Language英语
Citation statistics
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/58975
Collection力学所知识产出(1956-2008)
Corresponding AuthorLiu, CT (reprint author), ACAD SINICA,INST MECH,BEIJING 100080,PEOPLES R CHINA.
Recommended Citation
GB/T 7714
Liu CT,Li XP,Liu, CT . Stress intensity factor histories for a 3D crack moving steadily and unsteadily[C]ADVANCES IN FRACTURE RESEARCH, VOLS 1-6,1997.
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