崩壊問題の動的解析と静的解との比較 : 材料および幾何学的非線形を考慮した鋼構造骨組の動的崩壊解析その2

概要

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There are many difficulties in the nonlinear statical analysis for the collapse of structures. In the case of considering the discontinuity of the mechanical behavior of a materials, further hardships will obstruct to obtain a good solution because of the abrupt dropping of the strength. All structural problems which many researchers had treated as statically should have a dynamic effect tacitly such as the inertia force of the own weight of deforming structural element. At the critical or limit point, the inertia term will help to solve the equlibrium eqations. In this paper, a comparison between statical analysis method and dynamic is done, and three numerical examples show the effectiveness of the dynamic method. 1. Yielding and breaking analysis of straight bar 2. Snap through problem of reticulated space truss 3. Material and geometrical nonlinear analysis of double-layered space frame
社団法人日本建築学会の論文
1991-02-28