Only if this short crack extends long enough and blunted wide enough, can it affect the principal crack extension and the distribution of stress and plastic strain.
只有小裂纹扩展到足够长并钝化到足够宽,才能够影响主裂纹的扩展及其前端应力、应变的分布。
According to stress distribution pattern in working region of the workpiece, the plastic flow condition is inspected, the mechanism of cold rolling forming is analyzed.
通过工件工作区的应力分布云图考察金属材料的塑性流动情况,分析冷辗成形的机理。
The characteristics of stress distribution in local PWHT for tubular joints have been studied using viscoelastic plastic FEM.
采用粘弹塑性有限元方法对管接头焊后不同局部热处理条件下应力分布特征进行了研究。
Comparison of four different combinations of the same time, the stress and strain distribution, the size of the plastic zone.
同时对比了在四种不同组合时,应力、应变的分布,塑性区范围的大小。
The model of cutting process is established based on the rigid-plastic FEM, and the transient stress distribution of cutting tool in cutting process is obtained through the simulation.
基于刚塑性有限元方法建立了切削加工过程仿真模型,通过模拟获得了切削加工过程中刀具应力的分布和变化情况。
Elementary Elastic bending theory requires that bending stress varies linearly with distance from the neutral axis, but plastic bending shows a more accurate and complex stress distribution.
基本弹性弯曲理论要求弯曲应力均随到中性轴的距离而线性变化,但塑性弯曲理论揭示了一个更加精确的和复杂的应力分布。
The results showed that the major cause of thread gluing is over plastic deformation of partial thread face, and that the distribution of contact stress can be improved with the taper mutation, wh...
认为产生粘扣的主要原因是螺纹齿面局部过量的塑性变形,通过变锥度的方式能使接触应力分布规律得到改善,并在现场生产中得到验证。
Research methods: Based on the elastic and plastic theory, the stress distribution of soil cave in foundation can be deduced in karst region.
研究方法:根据弹塑性理论,推求得到岩溶地基中土洞周边土体的应力状态。
Using the theory of thermal elastic-plastic stress, this paper calculates the residual stress distribution in the heavy welded I-section by finite element method.
本文根据热弹塑性应力理论,用有限元法分析了厚板焊接工形截面柱的残余应力。
The paper mainly focuses on the analysis of the distribution of stress and strain in the flange of a cup-shaped part during deep drawing, according to the plastic mechanics theory.
用塑性理论求得杯形件拉深成形工艺过程中凸缘部分的应力与应变分布的解析解。
Stress distribution in the condition of SPT loading, unloading and design pressure reloading was simulated using elastic-plastic finite element model.
利用弹塑性有限元模型模拟多层圆筒在超压处理压力下,卸载后以及重新加载设计压力时的应力分布。
Comparing the change of stress and strain rate distribution in the extrusion process finds that where plastic deformation is large, the corresponding equivalent stress is large too.
对挤压变形过程中金属的应力和应变速率的变化情况进行了对比,发现金属变形时塑性变形较大的位置,对应的等效应力也较大。
The effects of case parameters on the distribution of elastic-plastic stress hi railhead are analyzed including lateral displacement, gross rail load on axle and constrained conditions of rail bottom.
对于工况参数,主要分析了横移量、轴重和轨底约束对轮轨滚动接触应力场的影响。
The effects of case parameters on the distribution of elastic-plastic stress hi railhead are analyzed including lateral displacement, gross rail load on axle and constrained conditions of rail bottom.
对于工况参数,主要分析了横移量、轴重和轨底约束对轮轨滚动接触应力场的影响。
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