Analysis for Stress Singularity Field at a Vertex in Three-Dimensional Bonded Structures
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概要
- 論文の詳細を見る
In the present paper, the order of stress singularity at the corner where four free surfaces and interfaces in three-dimensional joints meets is investigated by solving an eigenequation derived from a finite element formulation. The order of stress singularity for three typical joints, referred to as the 1/8 - 1/8, 1/8 - 1/4 and 1/8 - 1/2 joints, between two rectangular blocks with different properties is investigated and compared with that of two-dimensional joints with the same cross section as that of the three-dimensional joints. Dundurs' composite parameters, α_<3D> and β_<3D> for three-dimensional joints are newly introduced and the order of stress singularity plotted on ordinal Dundurs' parameters, the α and β plane, is rearranged on the α_<3D> - β_<3D> plane. The order of stress singularity at the vertex in the three-dimensional joints is larger than that in the two-dimensional ones, although, the boundary at which the stress singularity vanishes varies little on the α_<3D> - β_<3D> plane. Furthermore, it is shown that the order of stress singularity at a vertex, where some singular lines with different orders meet, varies with the combination of material properties.
- 一般社団法人日本機械学会の論文
- 1999-01-15
著者
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KOGUCHI Hideo
Department of Mechanical Engineering, Nagaoka University of Technology
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IHARA Ikuo
Department of Mechanical Engineering, Nagoya, University of Technology
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Ihara Ikuo
Department Of Endodontics Pulp And Periapical Biology Tokyo Dental College
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Koguchi Hideo
Department Of Mechanical Engineering Nagaoka University Of Technology
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MURAMOTO Takashi
Department of Mechanical Engineering, Nagaoka University of Technology
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Muramoto Takashi
Department Of Mechanical Engineering Nagaoka University Of Technology
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