给出了动应力集中系数的计算表达式。
The expression for calculating dynamic stress concentration factor is presented.
给出了界面处动应力集中系数的表达式。
The expressions for calculating the dynamic stress concentration factors are given.
应力集中系数一般由实验确定或由弹性力学方法求出。
Stress concentration factor generally is calculated based elastic mechanics method or empirical equation derived the conclusion of testing.
获得了应变集中系数和弹塑性边界区随载荷变化的规律;
The variation of the strain concentration factors and the yield boundaries with loading levels were determined.
试验结果还说明复合材料边缘有提高应变集中系数的效应。
The experimental result also shows that composite edge has the effect of increasing strain concentration factor.
本书内所提到的全部应力集中系数都是几何的或纯理论值。
All stress concentration factors so far presented in this book discussed the geometric or full theoretical values.
通过对应力集中系数的比较,提出了较为合理的连接形式。
And the paper shows a reasonable connecting form by comparing stress concentration coefficients.
材料的抗拉强度随着材料缺口半径的增加及应力集中系数的降低而降低。
With the increase of notch root radius and the decrease of stress concentration coefficient, the tensile strength decreased.
给出了数值解法计算模型,研究了焊口厚度对焊口应力集中系数的影响。
The effection of thickness of welding parts on the stress intensity factors were researched.
对不同的荷载作用情况下,以及他们对孔边应力集中系数的影响进行探讨。
The influences of different loads on hole-edge stress concentration factors were discussed.
基于绕射波场的解,文中给出了任意形状空腔动应力集中系数的一般算式。
Based on the solution of the diffracted wave field the general formulas for calculating dynamic stress concentration factor for a cavity of arbitrary shape in multiply-connected region are given.
得出了内压和外载下三通应力的分布规律、危险点的位置及其应力集中系数。
The distribution pattern, critical location and concentration factor of the stress on equal diameter tees under both internal and external loadings are obtained.
因此,在对局部结构进行疲劳强度分析时,应考虑错位对于应力集中系数的影响。
Thus, the stress concentration factor due to the misalignment should be considered in the analysis of fatigue life of the local structures.
试验和计算的结果表明:弹性角隅的应力集中系数比椭圆弧角隅降低15%左右。
According to results of tests and calculations, it is shown that the stress concentration coefficient of elastic corner is less about 15% than the ellipse arc corner.
对于方形孔,当圆角半径为1/14方形孔边长时,对缓和应力集中系数最有利。
It is most advantageous to relaxed SCF when the comer radius equal to 1/14 side length of square hole.
另外,对动应力集中系数、最大动应力与静态特征进行比较,并对比较结果进行讨论。
Also compare dynamic stress concentrations, the maximal dynamic stress with the static characters and discuss the results of comparison.
探索出一种估算压坑中最大应力强度的方法:定义了压坑应力集中系数,通过MSC。
The stress concentration factor of the gun tube pit was defined. The FEM models of the pits were built by MSC.
介质和衬砌内动应力集中系数随孔径、衬砌厚度、波数变化而变化,且与衬砌性质有关。
Coefficients of dynamic stress concentration change with lining aperture, thickness of lining, wave number and type of lining.
使用边界单元法计算无限大弹性介质中孔洞周边应力集中系数,可获得较高的计算精度。
High calculation accuracy can be obtained in calculating the concentration factor of the stress around infinite elastic medium cavities by using boundary element method.
本文用动态光弹性方法,分析冲击荷载作用下岩洞周边的动应力分布和动应力集中系数。
In the present paper the dynamic stress distribution and stress con-centration factor in the neighbourhood of caverns under impulse loadingare given by using dynamic photoelastic method.
讨论了入射波数、入射角、不同介质组合以及孔的形状对孔附近动应力集中系数的影响。
The influences of wave Numbers, Angle of incidence, combination of different media parameters and cavity shape upon the DSCF around the cavity are discussed.
文中得到了动态应力集中系数随辅助孔直径的变化规律,同时得到了辅助孔的优化尺寸。
The variation of the DSCF with the diameter of the auxiliary hole has been presented and the optimum size of the auxiliary hole has been obtained.
本文首先通过有限元分析得到了轴力作用下的TT管节点在焊接区的应力分布以及应力集中系数。
The stress distribution and the stress concentration factor in the welding region of tubular TT-joints subjected to axial loads are analyzed using finite element method in this study.
其中的股权集中系数是公司治理结构的直接表征 ,也是本文模型异于其他预测模型的首要区别。
Ownership concentration coefficient is a direct expression of corporate governance and is also the dominant difference from other forecasting models for financial distress.
若能了解矩形巷道孔边的应力集中系数表达式,则对矿山水平矩形巷道的设计和支护都有很大的帮助。
If stress concentration factor expression for rectangular drift opening is known, it can be of great help in the design and support of mine horizontal rectangular drift.
研究结果表明复合材料干涉配合接头的有效应力集中系数小于复合材料间隙配合接头的有效应力集中系数;
The result shows the following important points. The notch coefficient of interference-fit composite joint is less than the notch coefficient of sliding-fit composite joint;
从应力集中系数、极限压力、爆破压力和爆破失效位置四个方面对有限元计算结果和试验结果进行对比分析。
Analysis and comparison between the finite element analysis and experiment results for stress concentration factor, limit load, burst pressure and failure location were performed.
从应力集中系数、极限压力、爆破压力和爆破失效位置四个方面对有限元计算结果和试验结果进行对比分析。
Analysis and comparison between the finite element analysis and experiment results for stress concentration factor, limit load, burst pressure and failure location were performed.
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