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首页> 外文期刊>JSME International Journal. Series A >A Simplified Approach to Analysis of Large Deflections for Rectangular Plates with a Cross-Stiffener
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A Simplified Approach to Analysis of Large Deflections for Rectangular Plates with a Cross-Stiffener

机译：带有交叉加劲肋的矩形板大挠度分析的简化方法

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摘要

In this study, the nonlinear Berger equation for large deflection problems of isotropic plates and the finite-difference method are used to obtain solutions for deformation in rectangular elastic plates wiht a cross-stiffener. Numerical solutions are presented in order to illustrate the influence of the stiffener on the center deflection in uniformly loaded rectangular plates, which are supported by two beams orthogonally intersecting at the center of the plate. The numerical procedure is simpler that the procedures based on the von Darman theory, and takes into account the continuity conditions related to particular loads more rigorously than the variational methods, such as the Rayleigh-Ritz energy method and finite element method.
机译：在这项研究中，利用各向同性板的大挠度问题的非线性Berger方程和有限差分方法来获得具有交叉加劲肋的矩形弹性板的变形解。为了说明加劲肋对均匀加载的矩形板的中心挠度的影响，提出了数值解决方案，矩形板由在板中心正交的两个梁支撑。数值过程比基于von Darman理论的过程更简单，并且比诸如Rayleigh-Ritz能量方法和有限元方法之类的变分方法更严格地考虑与特定载荷有关的连续性条件。

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