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切向应力     
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  tangential stress
     This paper gives a description on the corresponding relationship between the injection pressure at rock breakage and that at sound emission,behavior of the frequency and amplitude of sound wave,and gives fracturing stresses corresponding to zero or negative tangential stress respectively.
     本文记述了模拟野外地壳应力场的室内水压致裂真三轴实验中,岩石产生声发射时的注入压力和岩石破坏时的注入压力的对应关系,以及声发射频率、幅度等方面的表现,记述了岩样在零切向应力及负切向应力时对应的破裂压力。
短句来源
     FINITE DIFFERENCE ALGORITHM FOR SOLVING THE TANGENTIAL STRESS AT THE BOUNDARY IN THE BOUNDARY ELEMENT METHOD
     边界元法分析中边界切向应力的有限差分算法
短句来源
     Gradient of tangential stress increases along with the increase of brittle index of rocks, and the maximal tangential stress occures at some distance from the inner surface of the cylinder.
     围岩的切向应力梯度随着材料脆性指数的增加而增大,厚壁圆筒临近整体破坏时,最大切向应力位于距筒壁内表面一定深度处。
短句来源
     This paper introduced the results of crustal stress measurement by hydraulic fracturing method within 3 vertical boreholes of a highway tunnel in east China,and the estimation formula of stress in tunnel axis' horizontal plane and the maximum tangential stress in cross section were analyzed and deduced,which was used in the tunnel's shape selection and rockburst possibility judgment.
     通过华东某公路隧洞3个深钻孔的水压致裂法地应力测量结果,分析并推导得到了隧洞轴线水平面上的应力和隧洞轴线横截面内最大切向应力的估算公式,并用于隧洞形状选择及隧洞开挖时岩爆可能性判断。
短句来源
     The main reason for the above results is as following. The Q-system considers the high field stress by introducing σ-θ/σ-c,σ-θ is the maximum tangential stress(estimated from elastic theory),and σ-c the uniaxial compression strength(MPa).
     出现上述现象的主要原因有:Q系统通过最大切向应力与岩石抗压强度的比值σθ/σc的大小,反映高地应力对围岩类别的影响。
短句来源
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  tangent stress
     THE EXPERIMENT RESEARCH OF GAS SEEPAGE LAW IN FRACTURE UNDER TANGENT STRESS
     切向应力对气体裂缝渗流规律影响的实验研究
     This paper presents a platform that measures the tangent stress of the elastic media using Critically Refrected Longitudinal Wave (LCR for short) based on acoustic-elasticity theory. The primary experiments are complete in general purpose stress equipment controlled by PC.
     本文以声弹性理论为基础,设计并制作了一套基于TDC(Time to Digital Converter)利用LCR波(Critically Refracted Longitudinal Wave)测量弹性介质中的切向应力的实验平台,并在微机控制的万能试验机上进行了初步的实验。
短句来源
     The experimental results indicate that the tangent stress keeps quite linear relation with the variation of the time in fixed transmission distance of LCR wave in elastic range.
     实验数据表明:在试件的弹性范围内,试件内部的切向应力与LCR波在固定传播距离下的声时变化有着良好的线性关系;
短句来源
     Also, the experiment results prove correctness and feasibility of the methods for measuring and processing LCR wave in stress measurement. The research provides beneficial reference for the application of tangent stress measurement in elastic media from theory to practice with TDC.
     证明了基于TDC-GP1的测试信号处理方法在用LCR波进行切向应力测量的可行性和正确性,为弹性介质中的切向应力测量从理论研究走向实践应用提供了较高的参考价值。
短句来源
  circumferential stress
     According to the results, both the peak of circumferential stress and radial stress are all appeared in the corners area of the cavity die. Serious stress concentration and continuous cyclic high stress contribute to cracks initiation and growth and then lead to die failure.
     从模拟结果来看,切向应力和径向应力峰值均出现在凹模内壁拐角处附近,应力集中较严重,容易导致模具的疲劳开裂。
短句来源
  hoop stress
     One of the derived boundary functions in boundary integral equations is the sum of normal stress and hoop stress at a point of the boundary.
     边界积分方程中的一个边界函数就是边界点法向应力和切向应力之和,因此计算孔边应力非常方便。
短句来源

 

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  tangential stress
In these studies, the tangential stress on the free surface was taken equal to zero, and the fluid film was always considered essentially plane.
      
In this case, the interface has a finite radius of curvature and the tangential stress on the interface may be significantly different from zero.
      
Stability of wave forms of motion of a viscous fluid layer under tangential stress
      
We study the stability of wave flow of a viscous incompressible fluid layer subjected to tangential stress and an inclined gravity force with respect to long-wave disturbances.
      
Wave formation on surface of viscous liquid due to tangential stress
      
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  tangent stress
Flows with Marangoni boundary layers having differently directed velocities of the external flow and the tangent stress at the free boundary are considered.
      
It is shown that the glide velocity exhibits hyperbolic tangent stress dependence if the average vacancy concentration in the crystal equals the equilibrium vacancy concentration, Co.
      
  circumferential stress
The circumferential stress-strain product criterion of mixed mode brittle fracture
      
the circumferential stress-strain product criterion.
      
The coefficients in conformal mapping function are revised by iteration step by step until the largest circumferential stress in absolute value is reduced to the second largest stress.
      
However, the point where the compression circumferential stress zone ends is shown to be a function of the ratio of the modulii in the radial and circumferential directions whereas in Küblers' theory it was independent of the elastic constants.
      
Tangent moduli are derived from radial and circumferential stress-strain characteristics using non-linear curve fitting.
      
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  hoop stress
The non-local elastic solutions yield a finite hoop stress at crack tips, thus allowing us to use the maximum stress as a fracture criterion.
      
A detailed inspection of stress distributions in the C/C rings revealed that a rotational imbalance inherent in C/Cs caused a high average hoop stress and stress concentration around the inner radius.
      
Based upon the above results, we analyse the hoop stress along the hyperbolic curve and the stress distributions on the planex2=0 for aluminium (cubic crystal).
      
The finite hoop stress at the crack tip depends on the crack length.
      
The non-local dynamic elastic solutions yield a finite hoop stress at the crack tip, thus allowing for a fracture criterion based on the maximum dynamic stress hypothesis.
      
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