Crack-Tip Stress Concentration and Mesh Size in Networks(Cross-disciplinary physics and related areas of science and technology)
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概要
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We consider two-dimensional networks with different mesh sizes but with the same bulk elasticity. We introduce a small (pseudo-) line crack in each network and numerically calculate the force distribution when the networks are (strongly) stretched in the direction perpendicular to the line crack. Even in highly deformed networks, we find that there exist strain-dependent scaling relations between the maximum stress (appearing at the crack tip) and the mesh size : the larger the mesh size, the smaller the stress concentration, and, thus, the stronger the network. Our finding might suggest a way of reinforcement of materials with voids under a given amount of solid.
- 社団法人日本物理学会の論文
- 2007-11-15
著者
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OKUMURA KO
Department of Urology, School of Medicine, Jutendo University
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Okumura Ko
Department Of Physics Graduate School Of Humanities And Sciences Ochanomizu University
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Okumura Ko
Department Of Engineering Physics Chubu University
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NAKAGAWA Satoko
Department of Physics, Graduate School of Humanities and Sciences, Ochanomizu University
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Nakagawa Satoko
Department Of Physics Graduate School Of Humanities And Sciences Ochanomizu University
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