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在已知无缺陷板的后屈曲与前屈曲刚度比值的情况下,双条板模型可以被用于分析单轴及双轴压力作用下的简支矩形板后屈曲性能。通过力法和能量法推导出相关公式。与其他文献中的解决方案的对比发现,该模型可被视为板下限分析法的改进。
The double-slab model can be used to analyze the post-buckling behavior of simply supported rectangular plates subjected to uniaxial and biaxial pressures, given the ratio of post-buckling and flexion-flexural stiffness of the flawless plates. By force method and energy method to derive the relevant formula. Comparisons with other literature solutions show that the model can be considered as an improvement of the plate lower bound analysis.