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Dual scaling damage model associated with weak singularity for macroscopic crack possessing a micro/mesoscopic notch tip

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成果类型:
期刊论文
作者:
Sih, GC*;Tang, XS
通讯作者:
Sih, GC
作者机构:
E China Univ Sci & Technol, Sch Mech Engn, Shanghai 200237, Peoples R China.
Lehigh Univ, Dept Mech Engn & Mech, Bethlehem, PA 18015 USA.
Changsha Univ Sci & Technol, Sch Bridge & Struct Engn, Changsha 410076, Hunan, Peoples R China.
[Sih, GC] E China Univ Sci & Technol, Sch Mech Engn, Mail Box 295,130 Melong St, Shanghai 200237, Peoples R China.
通讯机构:
[Sih, GC] E
E China Univ Sci & Technol, Sch Mech Engn, Mail Box 295,130 Melong St, Shanghai 200237, Peoples R China.
语种:
英文
关键词:
singularity representations;macro- and meso/micro-damage;crack-like defects;shifting of size scales;system inhomogeneity;transitional states;evolution of material damage;ENERGY DENSITY
期刊:
Theoretical and Applied Fracture Mechanics
ISSN:
0167-8442
年:
2004
卷:
42
期:
1
页码:
1-24
机构署名:
本校为其他机构
院系归属:
土木工程学院
摘要:
Multi-scale damage of material has been a concern in recent times owing to emphases of making devices in sizes smaller and smaller until the bulk average of the macroscopic material properties are no longer adequate while particle physics still lacks the expediency of engineering applications. There is the mesoscopic range between the microscopic and macroscopic size scale where the functional well being of engineering products must be addressed in terms of material damage. By in large, the only successful model developed during the early l960s and used up to now has been that of linear elasti...

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