The effects of geometry parameters of ellipse and stitching thread on buckling loads are investigated by Rayleigh Ritz energy method.
通过应用瑞利里兹法研究了分层椭圆几何参数和缝线等效弹性系数对压缩屈曲载荷的影响。
Influence of different kinds of loading on the critical buckling loads of different aspect ratio structures with and without stiffeners.
文中详细分析了这些载荷对长宽比不同的加筋板和没有加筋平板屈曲载荷的影响。
The dynamic buckling loads will be significantly improved when the system potential energy along the stable equilibrium path are positive.
当稳定平衡时系统势能大于零，浅拱的动力屈曲荷载将显著提高。
It is found that some buckling loads listed in the "Aircraft Design Manual" are inaccurate for one case of plates subjected to linearly distributed loadings.
同时发现《飞机设计手册》中薄板受某线性载荷作用时的临界载荷因子不够精确。
The present finite element model and the series solution models are used to find the natural frequencies, vibration modes and buckling loads of the FGM plates.
利用本文之有限元素分析模式与级数解模式，与求解特征值与特征向量的方法，可以求得功能梯度板之自然振动频率、振动模态与挫屈负荷。
Secondly, with the first mode of eigenvalue analysis on SSRS as the initial disfigurement, nonlinear buckling loads are obtained by nonlinear buckling analysis.
采用弹塑性有限元法，结合非线性屈曲理论，分析了受初始几何缺陷影响的管线钢管在内压作用下的非线性屈曲。
Numerical results indicate that the nonlinear solution is (necessary) to stability analysis because linear buckling loads are much higher than those of nonlinear buckling.
计算得到的线性屈曲稳定系数远远大于非线性稳定系数，表明线性屈曲分析结果不可靠，而宜采用非线性进行计算。
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；
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。
Experiments are carried out to study the buckling response of cylindrical aluminum alloy shells under transverse load, with critical buckling loads measured and buckling configurations recorded.
设计实验，对铝合金圆柱壳在横向力学载荷作用下的屈曲响应开展研究，测量了壳体屈曲的临界载荷，记录了屈曲形态。
The critical loads of rings and pined circular arches are calculated using the linearized buckling equations.
并用线性化的屈曲方程求解圆环和两铰圆弧拱在匀布径向力作用下的临界荷载。
The buckling of large vertical cylindrical shells with welds subjected to local thermal action and axial loads was studied with numerical method by using ANSYS code.
对大型直立设备安装过程中的现场焊接热处理过程中在轴向载荷和局部热载荷共同作用下的屈曲问题进行数值研究。
The modes of local buckling and general failure for honeycomb sandwich plates under pure bending loads are studied through four-point bending tests.
本文通过四点弯曲试验研究了含脱层的蜂窝夹芯板在纯弯载荷作用下的局部屈曲模式和破坏模式，指出局部屈曲模式是跳跃失稳模式。
Namely, critical impact loads decrease with the temperature getting the higher. Some buckling modes are given under various conditions.
随着温度的增加，冲击临界荷载降低，最后，文中给出各种条件下的屈曲模态。
The mechanical behavior of steel webs with negative bending was studied with combined stress loads of flexure, axial pressure and shear to prevent local buckling in continuous composite beams.
为避免钢混凝土连续组合梁发生局部失稳，对负弯区钢梁腹板在弯曲应力、轴向压应力和剪应力联合作用下的力学性能进行了研究。
The effects of geometrical imperfections, unuhiform loads and support settlements on the in-plane buckling of circular arch are investigated.
研究了几何缺陷、荷载非均匀分布和支座沉陷对圆弧拱面内屈曲的影响。
If these elastic restraints action of buckling resistance is taken into account the critical loads of steel members may apparentely been increased and plenty of steel material is saved.
利用连接构件之间约束作用，钢构件的稳定临界荷载可以得到显著的提高，节约大量的钢材。
The deflection differential equation of string has been first solved by using infinite series method, and the formula of the buckling critical loads has been obtained with energy method.
首次用无穷级数法求解了其临界屈曲时的挠曲线微分方程，并同时用能量法给出了其临界屈曲载荷计算公式。认为能量法求解这种情况下的屈曲载荷比较困难和复杂。
In this paper, the nonlinear transverse deflection or buckling is analyzed for unsymmetrical composite laminates under loads in plane by means of the generalized Fourier series method.
本文利用广义富里叶级数法对非对称复合材料层板在面内载荷作用下的非线性横向变形或屈曲问题进行了分析。
The main purpose of this paper is to establish a numerical method for the buckling of composite corrugated panel under shear loads via experiments and computations.
为了建立波纹板屈曲的数值分析方法，对复合材料波纹板在剪切载荷作用下的屈曲进行试验、工程算法和有限元方法研究。
When the initial deflection of a long pipe subjected to lateral loads is large, the effect of the initial deflection on critical buckling force for the pipe must be considered.
当初弯曲最大挠度比较大时，对于受侧向力作用的较长管柱，初弯曲对管柱轴向临界压力影响很大，必须加以考虑。
When vertical loads applied to a straight beam, the structure will have large bending and torsion and lose steady, this phenomenon is called lateral torsion buckling.
结构失稳的类型有很多种，其中直梁在竖向荷载的作用下，结构发生了较大的竖向弯曲变形和侧向扭转变形，而导致结构失稳称为梁的侧扭屈曲。
The regularity of the winding buckling critical loads is calculated and analyzed.
计算并分析了绕组稳定临界载荷的变化规律。
The regularity of the winding buckling critical loads is calculated and analyzed.
计算并分析了绕组稳定临界载荷的变化规律。
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