目前工程上对结构进行缺陷稳定分析的主要办法是一致缺陷模态法。
The consistent imperfect buckling analyses method (CIBAM) is the main approach of analyzing the stability of the structure with the geometrical imperfection.
建立杆件锈蚀和弯曲的计算模型，提出并采用随机缺陷模态法研究具有缺陷的结构承载能力。
Taking the example of a practical engineering, this paper studied the influence of imperfection to the strength and stability of structures…
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.
全文对筒仓引入了3种缺陷，即周圈焊缝凹陷缺陷、一致模态缺陷和随机缺陷。
The thesis considers 3 kinds of imperfection forms: the welded-joint imperfection, the consistent mode imperfection and the random imperfection.
传统逻辑和模态逻辑在分析自然语言假言命题方面都存在缺陷。
Traditional logic and modern logic have some defects in analyzing the hypothetical proposition of natural language.
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。
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.
实验中，采用了一发一收法，并分别激励了对称模态s1和反对称模态A 1对该缺陷进行了检测。
In the experiments, the symmetric and antisymmetric modes, S1 and A1, were excited to detect hidden corrosion defect respectively using pitch-catch technique.
通过试验模态分析和结构分析，找出结构存在的缺陷。
Through experimental mode analysis and structural analysis, defects in structure were found out.
针对传统模态辨识方法存在的缺陷，研究了工程结构在环境激励下的模态参数的辨识问题。
Focusing on the defects of the classical modal parameter estimation approach, this paper investigates a novel technique for modal parameter identification of structures under operation conditions.
扭转模态是管道中超声导波的模态之一，可以检测各类缺陷。
Torsional mode is one of the types of ultrasonic guided waves in pipes and it can be used to detect different kinds of defects.
本文应用非线性有限元法，对考虑初始缺陷的扭壳、扭网壳进行整体稳定分析，获得了临界状态时的失稳模态和临界荷载。
In this paper, the nonlinear FEM is used to analyze the general stability of torsional shell and torsional reticulated shell with original imperfections.
轴对称的纵向模态导波对于周向裂纹缺陷较为敏感，这与模拟结果比较接近。
Axially symmetric longitudinal mode guided waves are more sensitive to the circumferential crack defects, which is basically consistent with the theoretical analysis.
轴对称的纵向模态导波对于周向裂纹缺陷较为敏感，这与模拟结果比较接近。
Axially symmetric longitudinal mode guided waves are more sensitive to the circumferential crack defects, which is basically consistent with the theoretical analysis.
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