Through the stress field intensity approach, the relationship between the rotary bending fatigue limit and torsion fatigue limit was studied.
根据应力场强法,分析了旋转弯曲疲劳极限与扭转疲劳极限之间的关系。
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。
The transient displacement field and the dynamic stress intensity factor at the moving crack tip are obtained.
给出了瞬态的位移场和运动裂纹尖端的动态应力强度因子。
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 stress intensity factor was extracted from the displacement field, and the effects of the number of terms, subset size and subset spacing on the calculation results were analysed.
由数字图像相关方法所得位移场提取不同载荷作用下裂纹尖端应力强度因子,并分析最小二乘拟合项数、数字图像相关计算子区域和步长大小对计算结果的影响。
The change of stress intensity factors is faster for the larger pulse field.
最大磁场较大的脉冲场,所对应的应力强度因子变化越快。
The generation of fracture system was usually influenced by tectonic movement and intensity, and closely related to tectonic stress field distribution.
裂缝系统的形成常常受到构造运动及其作用强度的影响。
For solving calculative problems of the intensity and rigidity of coal pillars, stress field must be analyzed first.
为解决煤柱强度与刚度的计算问题,首先要进行应力场分析。
Numeral results show that, under shear loading conditions, the stress intensity factor is independent of applied electric displacement and electric field.
结果表明,在外加剪切荷载的作用下,应力强度因子与外加电场无关。
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 stress intensity factors of finite superconductors are calculated in the process of zero-field cooling (ZFC) and field cooling (FC).
在磁化系数不变的情形下,超导体尺度越短,应力强度因子越大;
The stress intensity factors of finite superconductors are calculated in the process of zero-field cooling (ZFC) and field cooling (FC).
在磁化系数不变的情形下,超导体尺度越短,应力强度因子越大;
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