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首页> 外文期刊>Journal of Composite Materials >A stiffened plate element model for advanced grid stiffened composite plates/shells
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A stiffened plate element model for advanced grid stiffened composite plates/shells

机译:用于高级格栅加筋复合板/壳的加筋板单元模型

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摘要

A triangular composite stiffened plate/shell element is developed to analyze the advanced grid stiffened (AGS) structures based on Mindlin shear deformation theory. The rotations of ribs and skin are interpolated, respectively, while the conditions of displacement compatibility are satisfied along the interface of rib and skin. There are no restrictions on the number, positions, and orientation of the ribs in establishing element mesh. The numerical results indicate its effectiveness, especially for the case of the AGS structures of higher ribs. Stability analyses for an ortho-grid plate and iso-grid cylindrical shell are also carried out.
机译:基于Mindlin剪切变形理论,开发了一种三角形复合加劲板/壳单元,以分析先进的网格加劲(AGS)结构。肋骨和皮肤的旋转分别被内插,同时沿肋骨和皮肤的界面满足位移相容性的条件。建立单元网格时,肋的数量,位置和方向没有限制。数值结果表明了其有效性,特别是对于较高肋骨的AGS结构而言。还对正交网格板和等网格圆柱壳进行了稳定性分析。

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