2) bending energy method
弯曲能量法
1.
It is realized that reducing bending rigidity is an easier way to obtain reasonable primary cable force of bridge completion than the one that increasing the compressive rigidity by studying the parameters of minimum bending energy method in combination with analysis on different parameters in projects,which provides reference for study of completion state of cable-stayed bridge.
通过对最小弯曲能量法中的参数进行研究,并结合工程实例对不同的参数进行分析、比较,得知采用缩小弯曲刚度的方法比增大抗压刚度的方法更容易得到合理的初定成桥索力,为斜拉桥成桥状态的研究提供参考。
3) the minimum energy of bending
最小弯曲能量
4) least bending energy method
最小弯曲能量法
1.
On the basis of analyzing and generalizing the former researchers achievements, the least bending energy method combined with stress balance method is adopted to determine the reasonable cable forces by using the large-scale general finite element process ANSYS.
本文在分析总结前人研究成果的基础上,提出了采用综合最小弯曲能量法和应力平衡法来确定斜拉桥的合理成桥状态,并通过大型通用有限元计算程序ANSYS来实现这一过程。
2.
The least bending energy method takes the bending energy as the objective function, and gets the reasonable cable forces by seeking the least bending energy.
最小弯曲能量法以结构的弯曲应变能为目标函数,通过求出最小弯曲能量来求得合理索力。
5) flexural property
弯曲性能
1.
Effect of volume fraction on the flexural property of fabric reinforced cement matrix composites;
体积含量对织物/水泥复合材料弯曲性能的影响
2.
Results showed that long-term UV radiation could effect both the tensile property and the flexural property of the composite,and the properties exhibited decreasing trend with UV radiation time.
试验发现,长期的紫外线照射对层合板的拉伸性能和弯曲性能都有一定的影响,而且随照射时间的延长,拉伸性能和弯曲性能都呈下降趋势。
3.
The effects of microwave curing time on flexural property and impact property were studied.
通过实验和测试,初步研究了环氧/DMP30体系的微波固化条件,研究了微波辐照时间对微波固化体系弯曲性能和抗冲击性能的影响,并对比了微波固化体系和热固化体系的力学性能。
6) flexural properties
弯曲性能
1.
Microstructure and flexural properties of C/SiC composites by CVI-RMI method;
CVI-RMI法制备C/SiC复合材料的微观结构与弯曲性能
2.
The effect of fiber distribution uniformity on the flexural properties of T300/BMP316 unidirectional composite laminates is studied using bending test under three-point loading.
以T300/BMP316复合材料为对象,采用三点弯曲法研究了纤维分布均匀性对复合材料弯曲性能的影响,用有限元方法分析了纤维分布不均匀的复合材料弯曲变形时的应力分布,提出了运用抗弯系数R评价其性能。
3.
The influences of the variations of the ingredients of the Magnesium oxychloride gelatin/ polyacrylate composites on their flexural properties was studied.
研究了氯氧镁凝胶/聚丙烯酸酯复合材料配方各组分对弯曲性能的影响。
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。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条