The stability of arch dam against elastic buckling has always been ignored.
拱坝的抗屈曲稳定性一直是未被重视的问题。
The efficiency of the elastic buckling matrix perturbation method is proved by calculating numerical examples.
数值试验表明了弹性屈曲矩阵摄动算法的有效性。
The structural linear elastic buckling analysis has also been carried out to prove the good stability of the structure.
整体线弹性屈曲分析也进一步验证了结构具有良好的稳定性。
The regression formulae were obtained to determine elastic buckling coefficients of the forementioned rectangular plates.
得到了各种情况下矩形板屈曲系数的近似公式。
Second, the elastic deformation, the elastic stress distribution, and the local and global elastic buckling modes were calculated and presented.
其次，计算并描述了槽型舱壁在侧向水压力作用下的弹性变形与弹性应力分布，以及舱壁局部与总体弹性屈曲模式。
Besides static strength, the problem of optimization and design was studied when the failure took place owing to structural linear elastic buckling in this paper also.
在开展结构静强度优化设计的同时，对元件在线弹性范围内的屈曲可靠性优化设计问题做了初步的研究。
This article adopted Ritz method and divide-fit mathematical method, solved the problem of elastic buckling of thin plate under compression and bend multiplicity action.
采用里兹法和切分拟合的数学方法，讨论了单向压缩和弯曲共同作用的薄板弹性屈曲问题。
A shallow shell model is developed for the elastic buckling of a single wall carbon nanotube under a uniform external axial pressure by using the nonlocal elastic theory.
基于非局部弹性理论，在考虑小尺度效应影响的情况下，建立了单壁碳纳米管在均匀轴向外部压力下的壳体模型。
The analysis and contrast of deformation pattern, state of stress, plastic deformation history, plastic limit load and limit load of elastic buckling are analyzed and contrasted.
最后对三种结构型式的拱顶储罐的变形方式、应力状态、塑性变形历史、塑性极限压力、弹性失稳临界压力进行了分析与对比。
The major purpose of the paper was to investigate the resistance capability of plates to local buckling in concrete filled steel tube by elastic buckling analysis of steel plates.
通过对钢管混凝土中外包钢管板件的屈曲弹性分析，目的在于研究钢管内填混凝土后钢板件的抗屈曲能力。
The dynamic buckling of elastic structures, such as beams and plates, when subjected to an axial impact at one end, is studied in the present paper based on the theory of stress wave propagation.
本文借助于应力波传播规律研究了弹性梁板结构在冲击载荷作用下的动态屈曲问题。
Both instances of elastic and inelastic are considered in flexural buckling.
其中在弯曲屈曲中都分别考虑了弹性屈曲和非弹性屈曲。
When a welded I-section plate girder is subjected to bending or shearing, buckling of web in elastic range will be restrained by flanges.
在纯弯或纯剪分别作用下的工字形焊接板梁，在弹性范围内腹板屈曲时，翼缘会对腹板起约束作用。
The impact buckling of static Preloaded elastic structures subjected to impact loading is studied.
本文研究受静力预加载的弹性结构在冲击载荷下的屈曲问题。
The elastic plastic buckling analysis is completed on bucking load and buckling mode of thin wall cylindrical shells fully filled with liquid under axial compression.
对充满液体的薄壁圆柱壳经受轴向压缩时的屈曲载荷和屈曲模态进行了弹塑性屈曲分析。
The strength of the junction may be limited by plastic collapse of the junction or by elastic or plastic buckling of the ring.
转折连接的主要破坏模式包括塑性破坏及环梁的弹性或塑性屈曲。
The authors not only obtain a catastrophic model of vibrational buckling of elastic arches, but also give the critical condition of losing stability.
作者不仅得到弹性拱振动失稳的突变模型，而且给出发生失稳的条件。
This paper also deals with the lateral buckling of the beams compressed within the elastic limit, and presents the solution of the continuous beams within lateral load as a special example in passing.
文中还简便地论及了该梁的弹性屈曲。 同时，作为特例本文顺便给出了一般连续梁的解答。
In this paper, the elastic stability of reinforced concrete silo shell roof is analyzed using finite-element model. The elastic critical buckling loads of the shell roof are calculated.
本文用有限元模型分析了钢筋混凝土浅圆仓仓顶的弹性稳定性，计算了其屈曲临界荷载。
The results show that stitching significantly improves critical buckling loads, the buckling loads increase rapidly with increase in equivalent elastic coefficient of stitching thread.
分析结果表明，缝纫对提高临界曲屈载荷的作用十分明显，随着缝线等效弹性系数的增大，临界曲屈载荷迅速提高；
The finite element analysis software ANSYS was adopted to analyze the elastic-plastic buckling behavior of SPDB with stiffened panel at both edges.
利用有限元软件ANSYS分析了梭形三肢钢管格构柱的几何参数对其弹性屈曲荷载和屈曲模态的影响。
Elastic dynamics method predicts that stress wave has remarkable effects on dynamic buckling of the nano crystal copper wire. Comparison with molecular dynamics resu...
用弹性动力学理论分析了应力波传播对纳米铜线的动力屈曲的影响，并与分子动力学模拟的结果进行了比较。
Elastic dynamics method predicts that stress wave has remarkable effects on dynamic buckling of the nano crystal copper wire. Comparison with molecular dynamic...
用弹性动力学理论分析了应力波传播对纳米铜线的动力屈曲的影响，并与分子动力学模拟的结果进行了比较。
An axially compressive thin-walled steel element on elastic foundation is adopted to deduce the critical stress and critical diameter to thickness ratio for circular steel tube in local buckling.
在此基础上，把薄壁钢管纵向单元作为支承在弹性地基上的压杆，推导出钢管出现局部屈曲的临界应力和临界径厚比。
A traditional Split Hopkinson Press Bars (SHPB) device is adjusted and applied to study the impact buckling and postbuckling of elastic bars.
对传统的霍普金森压杆装置（SHPB）进行改进，用于研究弹性直杆的动态屈曲与后屈曲，并且分析了影响实验精度的因素。
Secondly, a classical elastic flexural-torsional buckling tests on arch is introduced, which is simulated by shell element SHELL63 and beam element BEAM189 of commercial software ANSYS.
其次介绍了一个经典的拱的弹性弯扭屈曲试验，并采用有限元商业软件ANSYS中的SHELL63单元和BEAM189单元分别进行了模拟。
The two kinds of nonlinear buckling (primary buckling and secondary bifurcation buckling) of elastic arches are elaborated in detail.
本文详细阐述了拱的非线性屈曲的两种形式，即极值点屈曲和二次分叉屈曲；
In order to study how the static preloading affects on the buckling stability of columns or cylindrical shells, a simple imperfection-sensitive elastic-plastic model is used.
为了研究静力预加载荷对诸如柱、圆柱壳等结构动态稳定性的影响，采用了一种简单的缺陷敏感弹塑性模型。
In order to study how the static preloading affects on the buckling stability of columns or cylindrical shells, a simple imperfection-sensitive elastic-plastic model is used.
为了研究静力预加载荷对诸如柱、圆柱壳等结构动态稳定性的影响，采用了一种简单的缺陷敏感弹塑性模型。
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