Analysis of the Main Stress Invariants Criterions for Mixed Mode Crack Initiation Angles 混合型裂纹应力不变量断裂准则的分析
In this paper, the crack growth angles in front of ⅰⅱⅲ mixed mode crack were measured by means of overloading the threedimensional photoelastic model with ⅰⅱⅲ mixed mode semicircular crack. 通过带Ⅰ-Ⅱ-Ⅲ复合型半圆形裂纹的三维光弹性模型的破坏性试验,测量了复合型裂纹前沿不同位置处的开裂角。
By using the normalized circumferential stress, a fracture criterion of ⅰ-ⅱ mixed mode crack for orthotropic plate is proposed. 采用相对周向应力为断裂参数,提出正交异性板任意方向的ⅠⅡ复合型裂纹的最大相对周向应力断裂准则。
Investigation of mixed mode crack based on twin shear unified strength theory 双剪统一强度理论下复合裂纹的研究
Using strange element, Shih obtained plastic zone shape at the crack tip for mixed mode crack. Shih〔1〕应用奇异单元,获得了不考虑应力松驰小范围屈服条件下复合型裂纹尖端塑性区形状。
Exploration of J integral fracture criterion of ⅰ ⅱ mixed mode crack under biaxial loading 双轴向载荷Ⅰ-Ⅱ复合型裂纹J积分断裂准则探讨
Research on the crack growth angles of ⅰ-ⅱ-ⅲ mixed mode crack with photoelastic experiment This criteria use equivalent stress as the basic measure of fracture, which refer to strength theory. Ⅰ-Ⅱ-Ⅲ复合型裂纹开裂角的光弹性试验研究该准则通过借鉴强度理论对复杂应力状态的处理方法,将等效应力作为度量复合型裂纹开裂的基本物理量。
Effective stress criterion for mixed mode crack propagation 复合型裂纹扩展的有效应力准则
A Strain Energy Criterion of iso-W Line for Mixed Mode Crack 混合型裂纹等W线应变能准则
A study of the fatigue crack growth law for ⅰ-ⅱ mixed mode crack Ⅰ-Ⅱ复合型裂纹疲劳扩展规律研究
A study of mixed mode crack tip stress field and determination of stress intensity factors using the holographic Photoelasticity 复合型裂纹应力场的研究及其应力强度因子的全息光弹性测定
Finite element method analysis of crack opening displacements of mixed mode crack and plastic zone near the crack tip 复合型裂纹张开位移和裂尖附近塑性区域的有限元分析
In order to predict the mixed mode crack growth in sliding mode fracture, the fracture criterion of mixed mode crack growth is introduced here based on the maximum size of plastic zone near crack tip. 为了预测复合型裂纹呈滑移型(Ⅱ型)的断裂,在此提出了复合型裂纹扩展的最大塑性区尺寸断裂判据。
Test of Mixed Mode Crack Propagation 复合型裂纹扩展试验
Elastic-plastic Finite Element Analyses on ⅰ-ⅱ Mixed Mode Crack Ⅰ-Ⅱ复合型裂纹的弹塑性有限元分析
An experimental study of the thickness effect on the initial angle of mixed mode crack 复合型裂纹起裂角厚度效应的实验研究
Numerical analysis of fatigue growth of a center-inclined crack shows the effect of the different yield strengths of materials in tension and compression on fatigue growth process of a mixed mode crack. 对中心斜裂纹板的疲劳扩展的数值模拟结果揭示了材料拉压屈服强度不同对复合型裂纹疲劳扩展的影响。
The Fracture Criterion of the Maximum Size of Plastic Zone of Mixed Mode Crack Growth 复合型裂纹扩展的最大塑性区尺度准则
The Damage and Fracture Criterion for Mixed Mode Crack of Concrete on the Basis of the Maximum Strain Theory 混凝土裂缝在拉应变下的损伤与断裂分析
Fracture criterion of the mixed mode crack propagation in the three-dimensional medium 三维介质中复合型裂纹扩展的断裂准则
Elastic-plastic Displacement Fracture Criterion for Mixed Mode Crack 复合型弹塑性位移断裂准则
Unified solutions to mixed mode crack tip under small scale yielding 复合型裂纹小范围屈服下裂尖塑性区统一解
Testing Device of Fracture and Propagation Rate for Mixed Mode Crack 复合型裂纹断裂及扩展速率的实验装置
Fracture criterion of ⅰ-ⅱ mixed mode crack for orthotropic plate 正交异性板复合型裂纹相对周向应力断裂准则
The Energy Release Rate and Stress Intensity Factors of Piezoelectric Materials for Mixed Mode Crack Determined by J Integral J积分法计算压电材料平面问题的能量释放率和强度因子
Based on modified boundary layer theory, three dimensional elastic finite element method was applied to investigate the 3D constraint variations near a mixed mode crack tip. 采用修正的边界层理论对Ⅰ/Ⅱ复合型裂尖三维约束状态进行了线弹性的三维有限元分析。
Calculation of Stress Intensity Factor for Rock Dynamic Mixed mode Crack Initiation 岩石动态复合型初始断裂的应力强度因子计算
Therefore, the present results denotes the criterion is feasible in predicting the mixed mode crack growth in slide mode fracture. 因此,证明了该准则在预测复合裂纹呈滑开型(Ⅱ型)断裂是可行的。
An Experimental Investigation on the Measurement of Mixed Mode Crack Stress Intensity Factors by Caustics 焦散线法测定复合型裂纹应力强度因子的实验研究
Various mixed mode crack propagation angle were derived out; tests of crack propagation rate show that, experimental values of ⅰ ⅲ mixed mode crack plane twist angle are in agreement with theoretical values static load and unstable losed. 并推导了各种复合型裂纹面扭转角公式,Ⅰ-Ⅲ复合型裂纹扩展速率试验表明:裂纹面扭转角的试验值与静载失稳条件下的理论值符合得较好。