補強板の非線形特性

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タイトル別名
  • Nonlinear Characteristics of the Stiffened Panels
  • ホキョウバン ノ ヒセンケイ トクセイ

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説明

This paper analyzes more precisely the stiffness of the panels with stringers. In this case cooperation and interaction between panels and stringers should be treated with adequate consideration. Especially in large deformation cases attention has to be paid to nonlinearity. Usually these kinds of stiffened panels have the offset between reference plane of plate and centroidal axis of stringer. As the method we assume functions of membrane stresses and deflections, which satisfy equilibrium equations and boundary conditions, then formulate the incremental equations by the principle of virtual work. By the way of example the panel with a stringer is analyzed. The edges of the plate normal to a stringer and the ends of the beam are assumed to be clamped, the other opposite edges of the plate simply supported. As a result we can treat the effects of flexural, torsional rigidity and offset of stringer, and make clear complicated nonlinearity of these types of structures.

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