The new criterion includes the integral features of the whole field, while the theory of minimum strain-energy-density factor considers only a single point in the crack tip field.
较之仅着眼于纹尖场某一点的最小应变能密度因子理论,新判据更多地顾及到了尖端场的全局。
Based on the electromagnetic theory the relation between the acceleration movement of electric charge in the crack tip end, the value of electromagnetic field and the spectrum are analyzed.
根据实验结果,利用电磁学理论,分析了由于裂纹尖端电荷的加速运动所激发的电磁场强度及其频谱特性。
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。
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 elastostatic field near the interface crack tip between two incompressible materials is analyzed with the fully nonlinear theory.
采用完全非线性弹性理论,研究了两类不可压缩材料形成的界面裂纹尖端场。
The notch sensitivity of HSC and steel fiber reinforced HSC and the strain field of HSC reinforced with steel fibers ahead of the crack tip have been analyzed.
分析了钢纤维高强混凝土和普通高强混凝土的缺口敏感性以及钢纤维对高强混凝土裂缝前缘应变场分布的影响。
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。
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。
The size of current path, resistivity, power density are main factors that effect the temperature field and temperature gradient field at crack tip.
试件的通流尺寸、电阻率、导入电流密度是影响裂纹尖端温度场和温度梯度场的主要因素。
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 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 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 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 damage theory is used to study the region of the crack tip and the crack tip damage field is obtained.
本文应用损伤理论研究裂纹尖端区域,得到了裂纹尖端的损伤场。
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。
As a consequence, the viscosity of material is an important factor in the study of singular field of the crack-tip.
因此,在研究裂纹尖端的奇异场时,材料的粘性效应是一个重要的因素。
This paper contains an asymptotic finite-deformation analysis about the elastostatic field near the crack-tip in an incompress rubber-like material.
本文对平面应变情况下不可压缩橡胶类材料裂纹尖端弹性场进行了有限变形分析。
The strain field around the crack tip is investigated.
裂纹尖端附近的应变场;
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。
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 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。
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。
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。
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。
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。
Therefore the asymptotic behaviour near a anti-plane share dynamic propagating crack-tip field in power-law-viscoplastic material is revealed.
从而本文揭示了幂硬化粘塑性材料反平面剪切动态扩展裂纹尖端场的渐近行为。
Therefore the asymptotic behaviour near a anti-plane share dynamic propagating crack-tip field in power-law-viscoplastic material is revealed.
从而本文揭示了幂硬化粘塑性材料反平面剪切动态扩展裂纹尖端场的渐近行为。
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