純曲げの作用する閉断面円筒シェルの円環を基準とする3次元有限変形解析

概要

論文の詳細を見る
This paper is concerned with three-dimensional finite deformation analysis of a closed circular cylindrical shell subjected to pure bending. It is expected in this case that the element of the cylindrical shell will be deformed approximately to the torus shape. Then, in this paper, the torus coordinates are employed to indicate the deformed state of the shell. This approach using the torus coordinates makes the analysis simple. This paper also investigates whether the shell collapses by the Brazier budding or by the plastic yielding due to local stresses. It is shown that the Brazier buckling occurs only for a very thin shell. The collapse of the moderate or thick shell is followed by the plastic yielding. This indicates the importance of investigating the local stress as well as the Brazier buckling.
社団法人日本建築学会の論文
1997-08-30