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极值屈曲荷载
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  “极值屈曲荷载”译为未确定词的双语例句
     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。
  相似匹配句对
     Buckling Loads for Bridge Piles
     桥梁基桩的屈曲荷载计算
短句来源
     The Calculation of the Buckling of Rectangular Elastic Moderate-thick Plates
     矩形弹性中厚板的屈曲荷载计算
短句来源
     Hydredynamic loads;
     水动力荷载
短句来源
     The hypothetical distributions are tested with χ2 tests and the statistical loads are found to follow an extreme I-type distribution in each case.
     经检验,统计荷载均服从极值I型分布。
短句来源
     System Reliability Analysis of Large Structure under Gumbel Distribution Wind Loads
     极值型风荷载作用下大型结构可靠性分析
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Cubic B-spline approximations and iterative techniques have been used in computing highly nonlinear deflections of clamped shallow spherical shells under successive increments of uniformly distributed loads. We find that for the shells with the geometric pa-rameter arch chord length, R = radius of curvature, h=thickness), the slopes dP/dW. of p-W. (load-central deflection) curves may go to infinity (and become negative) before snap-through buckling loads have been attained. A special algorithm which uses alternatively...

Cubic B-spline approximations and iterative techniques have been used in computing highly nonlinear deflections of clamped shallow spherical shells under successive increments of uniformly distributed loads. We find that for the shells with the geometric pa-rameter arch chord length, R = radius of curvature, h=thickness), the slopes dP/dW. of p-W. (load-central deflection) curves may go to infinity (and become negative) before snap-through buckling loads have been attained. A special algorithm which uses alternatively the increments of central deflection and load as iterative parameters has been developed to cope with this situation. This algorithm gives fairly good convergence rates for values of λ as high as 46 and the buckling loads obtained for λ<20 are compatible with that computed by B. Budiansky and R. Archer with entirely different methods.

本文用三次B样条函数和迭代法求解圆底扁球壳在逐次加载时挠度增量和内力增量所满足的变系数非线性微分方程,从而得出均布荷载作用下周边固定圆底扁球壳轴对称弯曲问题的解答。文中计算了λ≤46的各种λ值的极值屈曲荷载,所得结果在λ≤20时与Budiansky等所得结果一致。

>=Five box girders with different sectional form are studied in this paper .Using the large universal finite element analysis software ANSYS to calculate and analyze the liner mode buckling. Then the initial deficiency is considered in the analysis, the load-displacement curve is got under this condition. From the calculation and the analysis the qualitative rules of the stiffener's influence to the stability of the box girder are obtained.

本文设计了5种不同截面形式的带肋加劲箱梁,利用大型通用有限元分析软件ANSYS对其进行了特征值屈曲分析和考虑了结构的初始缺陷影响后的非线性全过程分析。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。

 
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