In this article, the fracture analysis on mode I crack of orthotropic functionally gradient materials is studied, under which the elastic constants changed exponentially along thickness of the plate.
文章对含i型裂纹的正交各向异性功能梯度材料板沿其板厚的弹性常数表达式呈指数函数变化时的应力-应变场进行分析。
Then, by means of the energy balance relation, a new cohesive stress law of Mode I crack is obtained which is only concerned with the surface energy density within the cohesive zone.
然后，利用能量平衡关系，得到仅与表面能密度相关的I型裂纹内聚力新的本构方程。
Mesoscopic damage size on the top of crack is analysed, the effective stress strength factor is defined, the mode I crack damage fracture criteria is presented.
以混凝土单轴拉压损伤为基础，给出了单元弹性损伤本构关系，分析了裂纹尖端损伤微裂区尺寸，定义了有效应力强度因子，给出了I型裂纹损伤断裂判据。
The problem of dynamic initiation for crack-containing plate of I-mode under low-velocity impact load is investigated in this paper.
研究了含裂纹板在低速率冲击载荷作用下的互型动态起裂问题。
This paper presents a numerical extrapolated method for calculating the effect stress intensity factor of 2-d Mode I crack.
文章介绍了传统的用裂尖塑性修正求解平面I型裂纹等效应力强度因子的方法。
This paper presents a numerical extrapolated method for calculating the effect stress intensity factor of 2-d Mode I crack.
文章介绍了传统的用裂尖塑性修正求解平面I型裂纹等效应力强度因子的方法。
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