...：预存微孔；组合球壳；几何大变形；突然变温 [gap=1258]keywords：pre-existing microvoid;composite sphere;large deformation;suddenly changed temperature ...
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...几何大变形; 非线性; 形态; 受荷; 模态 [gap=580]Key words: air-supported membrane structure; geometrical large distortion; non-linear; formfinding; loading; modeing ..
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分析中采用了动力方法，考虑了几何大变形和冲击作用的影响。
The effects of geometric large deformation and impact action were taken into account in dynamic analysis.
提出了梁壳垂直组合结构在有限元计算中存在的问题，并以几何大变形问题为依托提供了解决该问题的计算原理和有限元方法。
The problems in computing beam-shell-composed structures with the finite element method are pointed out, and a corresponding solution method is proposed based on the finite deformation theory.
空气冲击湿砂造型过程有着本身的特点：快速冲击，离散的材料体系，材料非线性和几何大变形并存，是一个非常复杂的力学过程。
The pneumatic moulding is a very complex mechanical process with the features of fast impact, discrete materials, combined geometrical and material nonlinearity.
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