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- 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。
- The nonlinear prebuckling deformations and initial geometric imperfections of the shell were both taken into account. 壳体屈曲的边界层理论被推广用于湿热环境的情况，相应的奇异摄动法用于确定层合圆柱薄壳的屈曲荷载和后屈曲平衡路径。
- Buckling of thin shells is generally sensitive to geometric imperfections, so precise surveys of initial geometric imperfections are essential for high quality shell buckling experiments. 摘要薄壳结构的屈曲通常对初始缺陷十分敏感，因此对几何初始缺陷的精确测量是高质量的壳体屈曲试验的必要环节。
- Cutting roll formed steel C-section to stub columns will produce different extent of cross section distortion along the lengths and cause additional initial geometric imperfections. 把辊轧成型的C形冷弯薄壁型钢构件切割成若干短柱，在短柱中将产生不同程度的歪曲变形，进而引起附加的初始几何缺陷。
- In second-order elastic analysis of the partially-braced steel frames, the initial geometric imperfections of overall frame as well as its individual member should not be neglected. 在钢框架二阶弹性分析中,结构整体初始几何缺陷和构件的初始几何缺陷是实际存在的,其影响不应忽略。
- The effects of loading forms, geometricnonlinearity, initial geometric imperfections on the dynamic response and dynamicbuckling of antisymmetric cross-ply composite laminate are discussed. 讨论了载荷形式、几何非线性、初始缺陷等因素对非对称正交铺设层合板的动力响应及动力失稳的影响。
- Dynamic buckling of cracked circular arch with initial geometric imperfection subject to radius impact 含初缺陷损伤圆拱的动力屈曲
- shell with initial geometrical imperfection 初始几何缺陷壳
- initial geometric imperfection 初始几何缺陷
- The initial deviations of the joint positions are the main initial geometrical imperfections that affect the stability behaviors of the long-span spatial structures. 节点位置偏差是影响大跨度空间结构整体稳定性的一个主要初始几何缺陷,但目前关于实际结构中节点位置缺陷的资料还很少。
- initial geometrical imperfections 初始几何缺陷
- Dynamic buckling of cracked beams with initial geometric imperfections subject to axial impact 含初缺陷裂纹损伤梁的冲击动力屈曲
- Keywords pillar in hard rock mass;stability;initial geometrical imperfection;initial geological flaw;damage;fracture;catastrophe;subcritical crack growth;time dependence; 硬岩矿柱;稳定性;初始几何缺陷;初始地质缺陷;损伤;断裂;突变;亚临界裂纹扩展;时间相依性;
- Effect of Cutting on Initial Geometric Imperfections of Cold-formed Steel Stub Columns with C-section 切割对C形冷弯型钢短柱初始几何缺陷的影响
- Keywords Initial Geometric Imperfections;PressureVessel;Elastoplasticity;Large Deformation;EndochronicConstitutive Equation; 初始几何缺陷;压力容器;弹塑性;大变形;内蕴时间;
- initial geometric imperfections 初始几何缺陷
- A 3D-FEM method for analysis on stability of underground bifurcated pipe, with geometrical imperfection and initial gap between concrete liner, is introduced. 摘要考虑了钢岔管与混凝土垫层的初始缝隙和初始几何缺陷，给出了一套地下埋藏式钢岔管抗外压稳定性的三维有限元分析和求解方法。
- EFFECT OF INITIAL GEOMETRICAL IMPERFECTIONS ON STABILITY OF ULTRAHIGH PILLAR 初始几何缺陷对超高矿柱稳定性的影响
- He had only an imperfect understanding of his task. 他对自己的任务只是一知半解。
- By solving the dynamic buckling equation numerically, the effect of pre-load, impact yate and geometrical imperfection on critical impact load is studied. 文中考查了静力预载荷、冲击载荷速度以及初始几何缺陷对临界冲击载荷的影响。
