The microcrack zone concrete is deeply analyzed by using the exact solution of crack tip stress field and is compared to the result from the local solution.
应用裂纹顶端应力场的精确解，详细讨论了混凝土裂纹顶端的微裂区，并将其与局部解所得的结果进行了比较；进而研究了因应力松驰引起的微裂区的改变。
In this paper, the creep compliance of Hot-plate welded joint of PE80 pipe is measured, and the effect of creep on the crack tip stress field in the weld is investigated.
本文测定了燃气用PE80管材热板焊接接头的蠕变柔量，研究了蠕变对焊缝裂尖应力场的影响。
First of all, the study on the crack tip stress field under the model anchored by CFRP have been done, and then do a brief introduction about the failure mode of the model with the CFRP.
首先，对两端加锚后裂纹尖端的应力场做了一些相应研究，对两端加锚的模型破坏模式做了简短的介绍，为以后的工作提出了建议。
The relative equation between stress intensity factor and displacement field near interface crack tip of bimaterials was derived firstly.
首先推导了双材料界面裂纹尖端的位移场和应力强度因子之间的关系式。
The transient displacement field and the dynamic stress intensity factor at the moving crack tip are obtained.
给出了瞬态的位移场和运动裂纹尖端的动态应力强度因子。
The stress field near crack tip is an important factor to effect crack extension.
裂纹缺陷周围的应力变形场是影响裂纹扩展的重要因素。
The stress field around the crack tip is simulated via the constructed Back-Propagation Neural Network (BPNN) whereby achieving the approximation of the stress field around the crack tip.
通过构造反向传播神经网络，对裂纹尖端的应力场进行模拟，进而实现对裂纹尖端应力场函数的逼近。
The complex function method is used to solve the temperature field and thermal stress field around the crack tip at the moment when the pulse current is switched on.
采用复变函数方法求解了脉冲放电瞬间裂纹尖端的温度场和热应力场。
The crack tip stress-strain field of elastic-plastic materials are analysed by finite element method in the plane stress condition.
用有限元方法对平面应力条件下弹塑性材料的裂纹尖端应力应变场进行了计算。
Aim to construct an analytic solution for the asymptotic field near a tensile crack tip of power-law hardening material under Plane stress condition.
目的构造幂硬化材料中受拉伸裂纹顶端渐近场的分析解。
Numerical solutions of governing equations are obtained in combination with boundary conditions of each problem, and the fully continuous stress, strain and displacement in crack-tip field is found.
根据问题的边界条件，通过对控制方程进行数值求解，得到了裂纹尖端的连续的应力、应变和位移场。
The temperature field and thermal stress field on the crack tip in a metal was studied by numerical simulation method.
用数值模拟方法研究了金属裂纹尖端的温度场和热应力场的分布情况。
The effect of crack depth, crack shape, wall thickness ratio, the number of cracks etc. on singular stress field near the crack tip is investigated.
探讨了单裂缝与均布多裂缝情况下，裂缝深度、裂缝形状，厚壁筒壁率、裂缝数目等特性参量对裂缝尖端附近奇异场的影响。
The result tends to indicate that the crack tip stress decreases obviously after the plate is patched, and also the size of patch has significant influence on the stress field.
证明补强后裂尖应力比未补强时明显减小，补块尺寸也对补强效果有很大影响。
INTEGRAL J_I, which is referred to as a parameter of singular stress field at the front of crack-tip, has its practical value.
i积分作为裂缝前缘奇异应力场的参数量，是有实际应用价值的。
The stress and strain singularity exponent of crack-tip field is given by means of the asymptotic analysis.
通过量级分析，给出了尖端场的应力应变奇异性指数。
Stress intensity factor indicates the strength of the singular stress field at crack-tip, it is the basis of studying the law of crack propagating and the strength of the component with crack.
应力强度因子表征了裂纹尖端奇异应力场的强度，它是研究裂纹扩展规律和带裂纹构件强度的基础。
Stress intensity factor indicates the strength of the singular stress field at crack-tip, it is the basis of studying the law of crack propagating and the strength of the component with crack.
应力强度因子表征了裂纹尖端奇异应力场的强度，它是研究裂纹扩展规律和带裂纹构件强度的基础。
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