The stress intensity factor of crack solids is a fracture mechanics index that denotes the effect of loading and crack geometry.
黏聚力形成的阻抗强度因子数值,与黏聚裂纹长度和材料极值拉伸应力存在数量关系。
The stress intensity factor of crack can be calculated from the stress concentration factor of corresponding notch when the boundary condition and other geometric conditions are in the same.
在边界条件和其他几何条件相同时,可以通过切口的应力集中系 数求得相应裂纹问题的应力强度因子。
Stress intensity factor (k). A factor used in fracture mechanics to specify the stress intensity at the tip of a crack.
应力强度因子(K):断裂力学中使用的一个因子,说明裂纹尖端处的应力强度。
Based on this kind of crack element, and by introducing parametric equation of ellipse, a new method for estimating stress intensity factor is proposed.
基于这种裂纹单元,作者引入椭圆参数方程,推出一种计算裂纹前缘点应力强度因子的新方法。
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。
Based on testing results, the relationship between velocity of granite subcritical crack growth and stress intensity factor, and the fracture toughness are obtained respectively.
根据试验结果,得到了花岗岩亚临界裂纹扩展速度与应力强度因子之间的关系和花岗岩的断裂韧度。
The influence of cold expansion on the stress intensity factor distribution in crack tip was also analyzed.
分析了冷扩张对疲劳裂纹尖端应力强度因子分布的影响。
Firstly, after depicting the singularity of stress field at the top of crack, the finite element method to calculate stress intensity factor of plain fracture problems is founded.
首先,对反射裂缝尖端应力场的奇异性进行了描述,建立了平面断裂问题应力强度因子的有限单元解。
The numerical results of shear stress intensity factor and the length of the crack face contact region are given.
给出了剪切应力强度因子和裂纹面接触区尺寸的数值结果。
The influence of inclusion on crack Stress Intensity Factor(SIF) of Powder Metallurgy(PM) FGH 95 was investigated using singular element method with fine mesh at crack front.
采用有限元方法中的奇异单元,研究了当粉末高温合金FGH 95中存在由夹杂引起的裂纹时,夹杂对裂纹应力强度因子的影响;
The stress intensity factor of main crack, which is difficult to be calculated directly due to the shielding effect between cracks, can reflect the damage of components.
裂纹网中主裂纹的应力强度因子可反映构件的损伤程度,然而由于裂纹间的屏蔽效应,直接计算裂纹网中主裂纹的应力强度因子是困难的。
The effect of an elastic square inclusion on a crack tip's stress intensity factor in an infinite elastic body is considered and the new boundary integral equations are derived.
研究无限弹性体中正方形弹性夹杂对裂纹应力强度因子的影响,给出了问题的新边界积分方程。
Multiiiple crack interaction may cause distrubed effect of stress intensity factor.
裂纹群的交互作用会引起裂纹应力强度因子的干扰效应。
An element initial stress method to calculate stress intensity factor of three-dimensional mixed-mode crack is introduced.
对单元初始应力法应用于复合型三维裂纹问题进行了研究。
Through static, modal and crack stress intensity factor analysis, the vibration stress of blade under rotating state before fracture can be calculated out finally.
然后采用有限元数值计算方法对叶片进行静力分析、模态分析及裂纹应力强度因子计算,最后反推出叶片在旋转状态下振动应力值的大小。
The principle of the digital image correlation method was described, and the relation between the crack tip displacement and the stress intensity factor was deduced using least squares fitting.
介绍数字图像相关方法的基本原理,建立数字图像相关方法中位移场与裂纹尖端应力强度因子之间的关系。
The studies based on the stress intensity factor of the front of crack, and the effect of bond and slip between steel and concrete were considered.
考虑了钢筋与混凝土的粘结滑移作用,以裂缝前端应力强度因子为判据,分析了裂缝的稳定性和钢筋的限裂作用。
By the principle of superposition fictitious stress on any individual crack surface in infinity can be resolved and also its value of stress intensity factor in infinity or finite body is obtained.
由迭加原理,可分离出任一单个裂纹面在无限大板中的虚拟应力,从而求出有限或无限域中各条裂纹的应力强度因子值。
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。
The effect of crack tip arc on stress intensity factor is studied assuming plane stress condition. The stress intensity factors KI with different crack tip arcs are separately calculated.
研究了裂纹尖端圆弧对应力强度因子的影响,分别计算了具有不同裂尖圆弧 的I型裂纹的应力强度因子。
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。
Based on testing results, the relationship between velocity of granite subcritical crack growth and stress intensity factor, and the fracture toughness are obtained respectively. Du...
根据试验结果,得到了花岗岩亚临界裂纹扩展速度与应力强度因子之间的关系和花岗岩的断裂韧度。
Fracture toughness (Kc). Critical value of the stress intensity factor for which crack extension occurs.
断裂韧度(Kc):发生裂纹扩展时应力强度因子的临界值。
Plane strain fracture toughness (KIc). The critical value of the stress intensity factor (i. e., at which crack propagation occurs) for the condition of plane strain.
平面应变断裂韧性(KIc):平面应变条件下应力强度因子的临界值(即达到该值时裂纹发生扩展)。
Plane strain fracture toughness (KIc). The critical value of the stress intensity factor (i. e., at which crack propagation occurs) for the condition of plane strain.
平面应变断裂韧性(KIc):平面应变条件下应力强度因子的临界值(即达到该值时裂纹发生扩展)。
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