The two dimensional accurate solution is obtained on plane strain assumption, the numerical results of strain energy release rate and crack tip energy release rate are presented.
在平面应变假设下，给出其二维精确解，并提供了机械应变能释放率和裂尖能量释放率等数值结果。
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。
A path independent of the J-integral and the stress, strain on the crack tip are discussed.
讨论了J积分的路径无关性和裂尖应力，应变奇异性。
High strain rate will occur at the tip of a growing crack, whether quasi-static or dynamic growth, due to the existence of strain singularity.
在扩展裂纹尖端，无论是准静态扩展还是动态扩展，由于应变奇异性的存在，出现较高的应变速率。
The load-strain relationship at crack tip is obtained through electric strain gauge measurement.
用电测法得到了裂尖处的载荷—应变标定关系。
The authors suggest that this effect is due to the change in the strain rate of crack tip metal thus altering the thermodynamics of crack onset and growth.
作者认为载荷频率的上述影响是因裂纹尖端的应变速率随载荷频率而变化，从而改变了裂纹起始与扩展的热力学条件。
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 solution of the crack-tip stress, strain fields for the power law type nonlinear viscoelastic materials, especially for the modified polypropylene, is obtained.
得到了幂率型非线性粘弹性材料，特别是改性聚丙稀的裂纹尖端应力、应变和位移场的解答。
An elastic viscoplastic model is used to analyse stress and strain fields at the tip of a propagating crack under antiplane shear.
弹性-粘塑性模型对反平面剪切扩展裂纹尖端的应力应变场进行了分析。
There is a fracture process zone near the crack tip for the tensile strain softening materials.
在应变软化材料的主裂缝尖端存在一断裂过渡区。
So such, both shape consistent with boundary element geometrical shape, and simulate crack tip close-by variety law of stress and strain with higher precision, and enhancing calculative efficiency.
如此，既能与边界单元几何形状基本拟合，又能高精度地模拟裂纹尖端附近位移和应力变化规律，并提高计算效率。
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。
Then, the strain accumulation model of EPFC growth is presented based on an analysis of elastic-plastic stress and strain at the crack-tip.
在对裂尖弹塑性应力应变分析的基础上，作者建立了疲劳裂纹扩展的应变累积模型。
The strain field around the crack tip is investigated.
裂纹尖端附近的应变场；
The exact solution of linear elastic fracture mechanics is suggested in this paper and the plastic zone of crack tip is calculated under the condition of strain-hardening of material.
本文从线弹性断裂力学的精确解出发，在考虑材料强化影响的情况下，计算出裂纹前缘的塑性区。
It turns out that crack closure is the main reason for retardation, and crack tip blunting, crack deflection and strain-induced martensite would reinforce it.
室温蠕变对裂纹扩展产生延滞的原因主要是裂纹闭合，同时裂尖钝化、裂纹偏折及形变诱发马氏体的形成也会起到一定的作用。
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。
Three dimensional finite element method was used to analyse the stress and the strain in the vicinity of crack tip.
并采用三维有限元数值法分析了裂纹尖端的应力应变场。
The strain fields in damage zone around crack-tip are measured for different strain hardening exponent material specimens with double edge cracks using digital speckle correlation technique.
为了研究粘性效应作用下的扩展裂纹尖端场，假设扩展裂纹尖端的人工粘性系数与塑性应变率的幂次成反比，推导出理想弹塑性材料的一种率敏感型本构关系。
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。
The strain gauges were attached near the tip of the notch in order to detect the time of crack initiation;
把应变片粘贴在裂纹尖端附近获得裂纹扩展时间；
The strain gauges were attached near the tip of the notch in order to detect the time of crack initiation;
把应变片粘贴在裂纹尖端附近获得裂纹扩展时间；
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