这样回避了速度梯度间断的困难，缓和了出口处应力奇性引起的矛盾，同时又减少了计算量。
Thus the difficulties of discontinuous velocity gradient and the stress singularity at the exit point are avoided, and the expense of computation is reduced.
其次主要介绍了不含高阶应力的一类应变梯度理论及其应用；
Then, we introduce a strain gradient theory and its main applications, in which no high-order stresses are included.
文章以人体颈动脉余弦扩张为例进行分析，详细讨论了局部扩张对血管壁切应力及其梯度分布的影响。
As an example, the human carotid with local cosine form expansion was analyzed and the effects of local expansion on the distribution of wall shear stress and its gradient were discussed in detail.
干燥过程中产生的应力与含水率梯度、干缩量和含水率、应力指标，存在一定的相关关系。
The stress produced during the process of drying had a certain relation with moisture gradient, shrinkage, moisture and stress index.
研究了梯度材料在承受热冲击载荷作用时的动态热应力响应分析模型问题。
The dynamic thermal stresses responses analysis model problems of metal-ceramic functionally graded materials (FGMs) under thermal shock load are studied.
应力梯度对混凝土强度的影响。
采用有限元分析软件研究了梯度涂层高炉风口的温度分布和应力分布，并与均匀涂层进行了比较。
The temperature distribution and stress distribution of blast furnace tuyere with gradient coating have been studied using finite element analysis software, comparing with uniform coating.
指出了其基本的问题是其中应力(应变)或者其增量是否为一有势场的梯度矢量。
The keystone is whether or not there is unique potential field in which the stresses (strains) or their increments are its gradient vectors.
研究了将功能梯度材料中应力波传播的计算模型应用到土介质中，提出了梯度土介质的概念。
The model of wave propagation in functionally graded material (FGM) is introduced to soil medium, and the concept of functionally graded soil medium is brought forward.
提出了应力张量与位移梯度张量的对偶关系。
A dual relationship between stress tensor and displacement grads tensor is presented.
考虑了悬臂梁由应力梯度引起的沿宽度方向的弯曲，提高了吸合电压的计算精度。
To increase the accuracy of the measurement, bending of the cantilevers along the width direction due to the stress gradient was considered.
由于乙烯爆炸性分解，在反应管壁厚上形成极陡的温度梯度和幅度很大的热应力。
The explosive decomposability of ethylene will lead to much large temperature gradient and great range thermal stresses response on thick wall of reactor.
结果表明，在梯度涂层中，随着组成成分的变化，热机械性能参量与制备应力均相应变化。
The results show that, in graded coatings, parameters of thermal mechanical behavior and fabrication stress change with the compositions.
涂层成分的梯度化，可有效地缓和制备过程中的热应力。
The gradient distribution of coatings' composition can effectively reduce thermal stress during fabrication process.
目的：探讨氧化锆梯度复合羟基磷灰石内固定材料的应力遮挡率的变化。
Objective: To approach the change of stress shielding rate of internal fixation materials made of nano zirconia gradient compounded with hydroxyapatite.
梯度热障涂层是一种新型耐热材料，可充分缓和热应力。
Gradient thermal barrier coatings, a new type heat resisting material, can sufficiently release heat stresses.
在进行冲击压缩实验时采用波形整形器调整入射脉冲，从而使得试件内的应力梯度不致过大，取得了较好的效果。
When impact compression test is exerted, the pulse shaper has been used to regulate the incidence wave, so that the stress gradient will not be significantly high and the results is acceptable.
通过数值分析提出，构件表面应力梯度和贴片厚度是影响厚度效应的主要因素。
Through the numerical analysis, it is posed that the structure surface stress gradient and the coating thickness are the principal factor that influence thickness effect.
梯度涂层在一定程度上可降低残余热应力对涂层的破坏。
The gradient coating can decrease the damage of the residual thermal stress.
结果表明影响低渗气藏的主要因素有应力作用、启动压力梯度、渗透率、滑脱效应、水锁效应等。
It is indicated that the main factors affecting low permeability gas reservoir are stress action, start-up pressure gradient, permeability, slippage effect, and water blocking effect etc.
激光切割熔融石英材料出现裂纹的主要原因是相当大的温度梯度所产生的过大热弹性应力。
The great thermal elasticity stress, resulted from the too great temperature gradient of material, is the main cause of bringing many cracks when the laser beam cuts the fused quartz material.
理论计算发现，相同的地温梯度在不同的岩石中引起的温度应力相差很大。
By theoretical calculation, it is found that the same earth temperature gradient leads to the greater difference of temperature stress in different kind of rocks.
从而进一步确定我国某一地区的温度场梯度模式，以及这一温度模式对结构的应力和挠度的影响。
Then I can further make sure the temperature mode and its effect on the stress and line deformation in one region of our country.
该法适用于区域内点、围绕边界的尖角点、边界或内部同心圆弧及同心圆四种特殊区域的网格改进，为实际工程结构应力梯度突变或变化较大处网格细化提供了十分方便的手段。
The scheme adapts to refine the meshes of special regions, such as interior points, around corner points, arcs and circles, which are usually failure regions of parts because of great stress gradient.
由此证明磁记忆信号的幅度和梯度既与材料所处的整体应力有关，也与该部位的局部应力集中度有关。
The amplitude and gradient of MMMT signals not only relied on the average stress of the shell, but also relied on the local stress concentration.
晶体生长期间，温度梯度和熔体重力引起的热应力和压力应力使坩埚底下陷并在底的中部产生裂隙。
The subsidence of the bottom and the cracks in the middle of the bottom are caused by temperature gradient and melt gravity during crystal growth.
另外，随着血管扩张程度的增加，管壁切应力还将进一步减小，而且管壁切应力梯度也将进一步增大。
Furthermore, the more the vessel expansion is, the less the wall shear stress will be and the more the gradient of wall shear stress will be.
结果表明，油田白垩的渗透性与其所承受的应力、渗压梯度和基质吸力都有着密切的联系。
The results show that the permeability is closely related with the confined stress, hydraulic pressure and matrix suction.
结果表明，油田白垩的渗透性与其所承受的应力、渗压梯度和基质吸力都有着密切的联系。
The results show that the permeability is closely related with the confined stress, hydraulic pressure and matrix suction.
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