拱坝的抗屈曲稳定性一直是未被重视的问题。
The stability of arch dam against elastic buckling has always been ignored.
这为杆件热屈曲问题的计算，提供了一种新的分析方法；为热输管道的稳定性分析，提供了依据。
It provides a new analysis method for the calculation of thermal buckling problems of bars, and a base for stability analysis of heating transportation pipelines.
本文采用有限元法分析考虑前屈曲几何非线性影响的结构稳定性。
This paper provides the structural stability analysis considering geometric nonlinearity on the prebuckling path by the finite element method.
本文分析了门式起重机腿端约束，侧移及正、反对称屈曲形式对支腿整体稳定性的影响。
This paper analyses the influence of end constraints, side displacement, positive and negative symmetric buckling form on integral stability of gantry crane's supporting legs.
计算内容包括静力计算、线性屈曲分析以及考虑初始缺陷的几何非线性稳定性计算。
The stability calculation has three parts, including static calculation, linear buckling analysis and geometrical nonlinear stability analysis.
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。
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.
根据稳定性准则分析了管柱不同屈曲平衡状态的稳定性；
The stability of the sinusoidal and helical equilibrium states of buckled tubulars is analyzed by energy stability criterion.
由于计算效率较高，特征值屈曲分析是目前分析结构稳定性的主要方法。
Eigenvalue buckling analysis is the main method of structural stability because of its computational efficiency.
根据特征值屈曲分析方法，对某下承式钢箱系杆拱桥的稳定性进行分析计算。
Throgh eigenvalue buckling analyses, the stability of the through steel-box tie-bar arch-bridge is analyzed.
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 structural linear elastic buckling analysis has also been carried out to prove the good stability of the structure.
在内翻旋转时，我们观察到在不同屈曲角度FCL横断后其不稳定性增加。
For varus rotation, we observed significant increases in instability after FCL sectioning at all flexion angles.
研究了该结构作为理想壳的非线性稳定性能，以及加荷过程中若干次屈曲后的结构位移形态。
The nonlinear behaviors of a perfect dome and its deflection shapes at several points after buckling are investigated.
再采用数值分析方法，包括线性特征值屈曲分析、几何非线性分析及几何、材料双重非线性分析，研究了不同加劲肋对钢筒仓仓壁稳定性能的影响。
The paper analyses the stability of rib slab on method of energy, the formula of longitudinal critical force is deduced, and rational arrangement of stiffening rib is discussed.
通过比较各个形式箱梁的第一阶屈曲特征值，前四阶屈曲模态和极值屈曲荷载得出了不同形式的加劲箱梁稳定性能的定性规律。
From the calculation and the analysis the qualitative rules of the stiffener's influence to the stability of the box girder are obtained.
通过25度内收和外展及25度90度屈曲试验来测定折端稳定性、压力及侧方移位。
Outcome measures of stiffness, strain, and lateral displacement were determined at 25-degree adduction, 25-degree abduction, 25-degree flexion, and 90-degree flexion.
通过25度内收和外展及25度90度屈曲试验来测定折端稳定性、压力及侧方移位。
Outcome measures of stiffness, strain, and lateral displacement were determined at 25-degree adduction, 25-degree abduction, 25-degree flexion, and 90-degree flexion.
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