提出考虑材料与几何双重非线性的钢管混凝土肋拱面内受力的计算方法并编制了有限元程序。
A method is presented to analyze the behavior of concrete-filled steel tubular (CFST) arch, which considers the material and geometric nonlinear property, and a finite element program.
首先利用ANSYS程序建立了构件的非线性有限元模型，模型中包含了几何和材料双重非线性。
Nonlinear finite element models by incorporating geometric and material nonlinearities were developed using finite element program ANSYS.
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