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- The task of determining the stress intensity factor is by no means a simple one. 确定应力强度因子的工作决不是简单的事件。
- The theoretical equations for stress fields and the stress intensity factor have been derived. 推出了界面裂纹的应力场和应力强度因子的理论表达式。
- 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。
- The stress intensity factor was measured using Moire Interferometry.The comparsion of experimental result with theoretical result was also made. 利用云纹干涉法实测了应力强度因子,并将实验结果与理论结果进行了比较。
- The stress intensity factor(SIF) curves of a typical lapped plate have been obtained which demonstrate the correctness and rationality of the model. 计算典型铆接搭接结构应力强度因子曲线,分析所提模型及其计算结果的合理性、正确性。
- When the thickness of the coating is increased, the maximum circumferential stress decreases and the stress intensity factor decrease little. 随着涂层厚度的增加,切口尖端附近的最大周向应力减小,而应力强度因子减少的很小。
- The effect of the crack eccentricity ratio on the stress intensity factor and the ultimate tensile strength for cracked ductile plates was investigated in this paper. 摘要疲劳裂纹对船舶结构强度具有不可忽视的削弱作用,在过去的研究中,主要从断裂力学的角度对疲劳裂纹应力场进行分析,而对于静态裂纹板的极限强度的探讨相对较少。
- The results indicate that the shielding or anti-shielding effect on the stress intensity factor increases acutely when the dislocation dipole approaches the tip of the crack. 结果表明,裂纹尖端的螺型位错偶极子对应力强度因子会产生强烈的屏蔽或反屏蔽效应。
- The correlation between the SCG rate and the stress intensity factor K I can be expressed with the power law. (2) The dynamics parameters of the SCG determined f... 结果显示,钠钙玻璃的亚临界裂纹扩展无明显尺寸效应,缺口试件的疲劳强度与试件应力集中系数成反比。
- The assessment of the residual life of the KK-joints containing surface cracks is dependent on the accurate estimation of the stress intensity factor of the surface cracks. 对包含表面裂纹的KK节点的残余寿命的评估依赖于对表面裂纹应力强度因子的准确估算。
- A general solution and the stress intensity factor are obtained in term of series expansion, which satisfies both Laplace equation and the permeable boundary condition. 得到了用级数表示的满足控制拉普拉斯方程和可导通边界条件的基本解及应力强度因子。
- The numerical exampled showed that the method was efficient and accurate in solving the stress intensity factor by using finite coarse mesh and simple interpolating element. 结果表明,只需有限粗略的网格划分和简单的插值单元就可以有效地获得较精确的裂纹尖端应力强度因子。
- The stress of E-grade steel coupler knuckle was analyzed and the expression of stress intensity factor of the cracks on the coupler knuckle wrist area was given. 摘要对重载列车E级钢钩舌进行了应力分析,导出了钩腕面裂纹的应力强度因子表达式。
- 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)。
- The stress intensity factor (SIF) of plane crack on orthotropic plate equal-parameter was evaluated by using a fractal two-level finite element method (F2LFEM). 摘要针对正交各向异性板的平面裂纹问题,应用二级分形有限元的办法研究了裂纹尖端应力强度因子的计算方法。
- In regard of the effect on stress intensity factor, a macro -element method to calculate stress intensity factor is simplified to analyze the variety of the stress intensity factor under different crack eccentricity ratio. 对于偏心裂纹应力强度因子,在计算方法上有效地简化了文献[5]中提出的大单元有限元计算模型,并且用于分析裂纹偏心度对于应力强度因子的影响。
- The stress intensity factors of both orthotropic and isotropic materials can be obtained from the present results. 正交各向异性和各向同性材料的应力强度因子均为本文的特例。
- The stress intensity factor of crack can be calcula ted from the stress concentration factor of corresponding notch when the boundar y 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。
- A. Megueni, B. Bachir Bouiadjra, and M. Belhouari, “Disbond effect on the stress intensity factor for repairing cracks with bonded composite patch”, Computational Material Science 29, 407 (2004). 黄豪义;脱层应力强度因子之计算方法;国立成功大学航空太空学系硕士论文;(2006).