Greater attention has been paid to the complexity and nonlinear mechanical behavior of concrete material.

混凝土材料的复杂性及其非线性力学行为越来越受到重视。

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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.

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。

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As a kind of inhomogeneous and complex geological material, rocks are of distinctly nonlinear and anisotropic mechanical behavior.

岩石作为一种复杂的非均质地质材料，其力学响应表现出明显的非线性和各向异性特点。

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