腎臟形及木の葉形斷面柱體の捩り應力
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概要
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By adopting the torsion stress function in a form of [numerical formula] we can get two kinds of a rod section, one being a kidney profile when 1>n≧1/2 and the other a leaf profile when 1<n<2. Then we have two stresses in polar coordinates : -[numerical formula] It will suffice to deal with the peripheral stresses in our case. For the leaf profile, the maximum stress lies between θ=0 and ±π/2n along the periphery according to the values of n. At the reentrant corner of kidney profile, however, the stress Zr^^⌒ or Zθ^^⌒ accnmulates greatly, amounting to an infinity, which can be easily relieved by providing a small circular groove.
- 社団法人日本船舶海洋工学会の論文
- 1936-08-20