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1)  overall bending effect
整体弯曲效应
2)  overall bending
整体弯曲
1.
Recently, although some analytical solutions and a numerical solution based upon the theory of flexible shells were proposed to solve the bellows overall bending problems, it is still necessary to develop other methods to examine and reinforce the sol.
最近,虽然出现了以柔性旋转壳理论为基础的解决波纹管整体弯曲问题的解析解和数值解,但仍有必要通过别的途径加以验证和补充。
2.
When the differential settlement occurs, some buildings are likely to crack, for example, the masonry structure with high length to height ratio will crack due to overall bending stress, and crack will also be caused by stress concentration where rigidity changed suddenly in the masonry structure with discontinues longitudinal rigidity.
在此不均匀沉降作用下,有些房屋易开裂受损,例如长高比较大的砌体结构房屋可能会因整体弯曲应力较大而开裂受损,纵向刚度不连续的砌体结构房屋在刚度突变处可能因应力集中产生开裂受损。
3)  bending effect
弯曲效应
1.
With the help of the ANSYS,the bending effect under Uniform Load of the thin walled aluminum alloy combined section beam have been calculated by adopting three methods from simulation to predigestion.
本文借助有限元分析软件ANSYS,采用由"仿真"至"简化"的三种不同方法,计算了铝合金薄壁插接组合截面梁在均布荷载下的弯曲效应,通过对计算结果的分析,探讨了适合工程应用的计算方法,并提出了使用该方法时应引起重视的问题。
2.
Piezoelectric materials have been used widely and their effects have been investigated in detail with the development of science and technology, however, the researches of piezoelectric bending effect only stay on the level of experiments and measurements.
鉴于压电晶体弯曲效应的研究还只停留在实验研究水平上的现状,本文从理论上解释压电弯曲效应的存在,并基于此理论设计了一种微动机构。
4)  bend effect
弯曲效应
1.
The calculated results are compared with experimental ones in order to examine the bend effect on the bulging process, and to choose element models correctly.
采用厚曲壳大变形有限元方法,研究具有重要工业应用意义的方盒形件冲压胀形过程中的力学行为,并与实验结果进行比较,进而考察板材在冲压成形过程中弯曲效应的影响以及正确选择单元模式的必要性。
2.
The measure principle on the fibre bend effect is analysed and discussed in this paper.
本工作借助于Poincare球对光学器件偏振特性的描述,建立单模光纤偏振态测试系统,并对光纤弯曲效应的测量原理作了详细分析和讨论。
3.
Based on the bond effect, friction effect and bend effect of the mechanism of a wave-shaped-teeth (WST) anchor, many kinds of anchors are designed.
针对波形齿锚具受力机理中的粘结、摩擦及弯曲效应设计出多种锚具,用碳纤维布制作若干多层布CFRP片材的小试件并用这几种锚具进行拉伸试验,从而实现锚固长度计算公式中参数进行试验研究并对其进行量化。
5)  whole effect
整体效应
1.
Therefore,the whole effect of PE teaching can be strengthened and the standard of PE teaching object can be improved.
通过对体育教学及其过程的认识和理解,客观地分析掌握它们的性质和职能,才能从根本上增强体育教学过程的整体效应,提高实现体育教学目标的水准。
6)  overall bending deflection
整体弯曲变形
1.
In order to establish a simple method about overall bending deflection,the direct deflection method (DDM) for calculating the overall bending deflection about the minor axis of pin-ended singly-symmetric cold-formed thin-walled steel members under eccentric compression loading which acted in the plane of major axis was carried out.
为建立薄壁构件整体弯曲变形的简化计算方法,针对对称轴平面内偏心受压的单轴对称冷弯薄壁型钢构件在弯矩作用平面内的整体弯曲变形,开展了直接变形计算方法(DDM)的探索性研究。
补充资料:弯曲工艺的概念及弯曲件

1.弯曲工艺:是根据零件形状的需要,通过模具和压力机把毛坯弯成一定角度,一定形状工件的冲压工艺方法。


2.弯曲成形工艺在工业生产中的应用:应用相当广泛,如汽车上很多履盖件,小汽车的柜架构件,摩托车上把柄,脚支架,单车上的支架构件,把柄,小的如门扣,夹子(铁夹)等。 


弯曲的基本原理:以V形板料弯曲件的弯曲变形为例进行说明。其过程为: 
   1. 凸模运动接触板料(毛坯)由于凸,凹模不同的接触点力作用而产生弯矩, 在弯矩作用下发生弹性变形,产生弯曲。
  2. 随着凸模继续下行,毛坯与凹模表面逐渐靠近接触,使弯曲半径及弯曲力臂均随之减少,毛坯与凹模接触点由凹模两肩移到凹模两斜面上。(塑变开始阶段)。
  3.随着凸模的继续下行,毛坯两端接触凸模斜面开始弯曲。(回弯曲阶段)。
   4.压平阶段,随着凸凹模间的间隙不断变小,板料在凸凹模间被压平。
  5. 校正阶段,当行程终了,对板料进行校正,使其圆角直边与凸模全部贴合而成所需的形状。 


弯曲变形的特点:  弯曲变形的特点是:板料在弯曲变形区内的曲率发生变化,即
弯 曲半径发生变化。从弯曲断面可划分为三个区:拉伸区、压缩区和中性层。

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