Simple calculation method for stress concentration and stress intensity of T-shaped member

Shigeru Hamada, Mitsuji Ueda, Komei Hayashi, Hiroshi Noguchi

研究成果: ジャーナルへの寄稿学術誌査読

3 被引用数 (Scopus)


The objective of this study is to clarify the influence of shape parameters on the stress concentration in simple forms. In recent years, by the spread of general purpose Finite Element Method (FEM) analysis software, anyone can carry out FEM analysis now and can grasp the stress state of a structure. However, in order to grasp the influence on a stress state when some shape parameter has changed, FEM analyses for each shape are required, and it requires long time. As an example of this issue in fatigue strength design, the relation between the plate and rib in a T-shaped structure, containing a corner, is analyzed. The stress concentration factor or stress intensity factor between these two connected shapes are analyzed by the FEM, and a method of approximating the stress concentration factor and stress intensity factor in an actual shape is proposed. Then, the proposed FEM-based method was validated through a comparison of the results obtained using this method for shapes of finite dimensions with existing analytical solutions for shapes of infinite dimensions.

ジャーナルInternational Journal of Mechanical Sciences
出版ステータス出版済み - 10月 1 2013

!!!All Science Journal Classification (ASJC) codes

  • 土木構造工学
  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学
  • 機械工学


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