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- Normal Stress Intensity Factor Ratio Criterion. 此准则是一种综合考虑了正应力强度因子和剪应力强度因子对裂纹起裂。
- 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 phonon field and phason field stress intensity factors and stress distribution at the crack tips are also given. 进一步可以求得裂纹尖端的声子场和相位子场的应力强度因子,由这些应力强度因子求解了裂尖处的声子场和相位子场的应力分布。
- 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。
- In this paper, the dynamic stress intensity factors of a crack at bima-terial interface are computed by particular solution boundary element method. 本文利用动力特解边界元法和应力外推法相结合求应力强度因子的方法,计算异弹模界面裂缝在瞬态荷载作用下的应力强度因子时程反应曲线。
- Wu X R, Carlsson A J. Weight functions and stress intensity factor solutions. Oxford: Pergamon Press, 1991. 赵伟.;三维裂纹分析的权函数理论及应用[博士学位论文]
- 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。
- Based on computing fracture tenacity of the rock and stress intensity factor of the formation, the fracture extending height will be predicted. 通过定量计算岩石的断裂韧度和地层的应力强度因子,便可预测压裂裂缝的延伸高度。
- The approximate engineering approaches for stress intensity factor (SIF) of skin with multiple site cracks and skin and stringer with cracks are given. 给出蒙皮带有多裂纹和蒙皮带有多裂纹且桁条也带有裂纹时应力强度因子的近似工程估算方法。
- It is found that the size and the shape of the parabolic crack affect the mode I stress intensity factor at the crack tips. 参数分析表明轴对称抛物线曲裂纹尖端的应力强度因子与抛物线曲裂纹的尺寸和形状有关。
- Based on the principles of transmitted caustics as well as photoelasticity, the two techniques in determining stress intensity factors (SIF) are compared. 以光弹性法及焦散线法的基本原理为基础,对两种方法在确定应力强度因子方面进行了比较。
- Finally, the effect of the geometrical parameters and the crack shape parameters on the stress intensity factors was studied from the parametric study of 22 KK-joint models. 最后,通过对22个KK节点的模型分析,研究了节点的几何参数和裂纹形状参数对应力强度因子的影响情况。
- 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。
- Based on the finite element method, the maximum circumferential stress and stress intensity factor near the tip of mode I V-notch added coating are analyzed numerically. 摘要基于有限元法,对添加涂层后的I型V形切口尖端附近的最大周向应力和应力强度因子进行了数值分析。
- 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。