查询词典 shakedown

In case of the limited kinematic strain hardening material model, a numerical method is proposed for upper bound shakedown analysis of elbow structures under the combined action of constant and complex variable loads.

本文在考虑有限随动应变强化材料模型的情况下，提出了恒定载荷与复杂变化载荷联合作用下弯管结构安定上限分析的有限元数学规划方法。

A boundary element method for 3-D limit and shakedown analysis is proposed.

本文提出了三维结构极限与安定下限分析的边界元方法。

There are only several papers available on limit and shakedown analysis using the boundary element method.

到目前为止，绝大多数求解结构极限与安定问题的数值方法都基于有限元方法。

Based on the convex analysis and duality theorem, a kinematic shakedown formulation for 3-D problems is derived.

根据下限定理，通过引入P泛数，并采用应力函数法构造平衡应力场，建立了极限下限分析的有限元数学规划格式。

Because the kinematically-admissble cyclic strain rate field required in kninematical-type theorem of shakedown analysis is rather difficult to be constructed, shakedown analysis based on kinematcal theorem cannot be directly applied.

在竖向载荷与水平载荷共同作用下，研究了地基土体的强度特性与土层分布特征对地基承载力的彤响，对地基的极限载荷与安定戳荷进行了比较分析，为全面、综合地评价非均质地基的稳定性提供了有益的参考。

The mathematical programming formulation and related solution procedure are established by the traditional BEM. Through the discretization of space and time, the elastoplastic stress simulation method and reduce-basis technique are adopted to construct the self-equilibrium stress field. The numbers of variables and constraint equations in the resulting mathematical programming formulation are reduced greatly and then the dimension obstacle of computation in 3-D limit and shakedown analysis is overcome.

采用常规边界元方法建立了三维结构极限与安定分析的数学规划格式，通过对时间和空间的离散化，并采用弹塑性模拟法构造自平衡应力场和引入减缩基技术，大大减少了所形成的数学规划格式中的未知变量和约束方程的数目，有效地克服了三维结构极限与安定分析中的维数障碍问题。

It's one thing to turn over a crooked individual, and it's quite another to shakedown a merchant bank.

要对付老狐狸是一回事，而要搞定商业银行是另一回事。

In this paper, based on the domestic and overseas existing research results, the elastic shakedown analysis and the plastic shakedown theorems are summarized.

在阅读大量国内外相关文献的基础上总结了弹性安定分析和塑性安定分析的理论，同时归纳了影响安定分析的多种因素。

Atsushi Ito history Zhitianyuer, Yuki Uchida highest grossing live-action Japanese film history,"Bayside Shakedown" series, Part 3 "Bayside Shakedown 3" is currently being hot-shot.

伊藤淳史、织田裕二、内田有纪日本史上最卖座的真人电影《跳跃大搜查线》系列的第3部《跳跃大搜查线3》目前正在热拍。

The paper de-duced the kinematically admissible plastic strain rate cycles of scattered structuresproceeding from Betti′s reciprocal theorem and the principle of virtual work.A fi-nite element formula of upper shakedown analysis of shells is given.Computerprograms are coded to resolve the problems of lower shakedown limit andoptimum shakedown design of plate structures and the lower and uppershakedown limits of combined rotation shells with initial geometric imperfections.The computing results show the correctness and effectiveness of the methods pro-posed by this paper.

本文还从Betti互换定理和虚功原理出发推导出离散结构中可能的塑性应变率循环，将其应用于安定上限定理，首次给出了壳体安定上限分析的有限元列式；编制了板的安定下限分析和板的安定优化设计程序及有初始几何缺陷的组合旋转壳体安定上下限分析的样条有限元程序，计算结果表明本文提出的方法正确、可行。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。