Lastly, the influence of the initial imperfection of the shear stress is studied as well.
讨论了初始表面不均匀性对剪切效应的影响程度。
This thesis carried out the research of initial imperfection influence on structural buckling reliability.
本文开展了初始缺陷对结构屈曲可靠度的影响研究。
The calculations are carried out for ring and stringer-stiffened cylinders with variable initial imperfection amplitudes.
具有不同初始缺陷幅值的纵横加筋圆柱壳模型被计算。
The stress displacement equations of cylindrical shell with initial imperfection are deduced on the basis of definitions of imperfection.
基于初始缺陷的定义式，推导出有初始缺陷的圆柱壳的几何方程。
Using the finite element method, the dynamic buckling of a bar with finite initial imperfection under axial impact is analyzed in this paper.
本文用有限元方法分析了一定初缺陷杆受轴向冲击的弹塑性动态屈曲。
The transfer-matrix method is used with the concept of the initial imperfection method of buckling analysis to the calculation of critical load.
本文用传递矩阵法在初始缺陷法的概念下对圆柱壳的一端有四个类似集中力的局部轴压作用下的失稳问题进行了研究。
The initial imperfection and the strength parameters are considered as random variables. Ply-level failure probability is evaluated by the first order reliability method.
初始缺陷和强度参数为设计变量，采用一阶矩法计算单元层的失效概率。
At present, in the design of reticulated shells, the initial deformation of the first buckling mode(the dimension is L/300) of the structure is introduced as initial imperfection.
目前在网壳结构设计中，初始缺陷是按照第一阶屈曲模态的L/300（L为结构跨度），对结构施加初始变形。
The effect of the initial geometrical imperfection on the buckling critical pressure and buckling model has been taken into account in the finite element simulation.
在有限元模拟中，分析了初始几何缺陷对壳体起皱的临界压力和起皱形态的影响。
The results show that the initial geometrical imperfection of the structure influences heavily its instability forms, which results in an effect on the ultimate load bearing capacity of the structure.
结果表明，结构的几何缺陷将严重影响结构的失稳形式，从而影响结构的极限承载能力。
The effects of material nonlinearity, damping, initial geometric imperfection and initial static load on structure dynamic stability have been analyzed.
分析材料非线性、阻尼、初始几何缺陷、初始静荷载等因素对结构动力稳定性的影响。
Based on the consistent mode imperfection method, the initial defect model was determined by the least order mode of eigenvalue buckling, and the maximum displacement value.
初始缺陷的模型是根据一致缺陷模态法，按最小特征值屈曲模态分布，并控制其最大值的方法确定。
Based on the consistent mode imperfection method, the initial defect model was determined by the least order mode of eigenvalue buckling, and the maximum displacement value.
初始缺陷的模型是根据一致缺陷模态法，按最小特征值屈曲模态分布，并控制其最大值的方法确定。
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