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本文首先借助斜坐标系和阶跃函数,建立了多抛物面组合扁壳结构的微分方程,然后用扁壳非线性理论和伽辽金法,导出了这种壳面结构非线性分析的计算公式。
In this paper, the differential equations of multi-parabolic composite shallow shell structures are established by means of oblique coordinates and step functions. Then the nonlinear shell-structure nonlinear analysis formulas are derived using the shallow shell nonlinear theory and the Galerkin method.