Further investigation of interaction between interface macrocrack and parallel microcracks in bimaterial anisotropic solids |
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Authors: | Tian Wenye Chen Yiheng |
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Institution: | (1) School of Civil Engineering and Mechanics, Xi'an Jiaotong University, 710049 Xi'an, China |
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Abstract: | In this paper, with the aid of superimposing technique and the Pseudo Traction Method (PTM), the interaction problem between
an interface macrocrack and parallel microcracks in the process zone in bimaterial anisotropic solids is reduced to a system
of integral equations. After the integral equations are solved numerically, a conservation law among three kinds ofJ-integrals is obtained which are induced from the interface macrocrack tip, the microcrack and the remote field, respectively.
This conservation law reveals that the microcrack shielding effect in such materials could be considered as the redistribution
of the remoteJ-integral.
The project supported by the National Natural Science Foundation of China, and the Doctorate Foundation of Xi'an Jiaotong
University |
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Keywords: | J-integral bimaterial anisotropic solids interface macrocrack microcrack |
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