应力分量

非平行的边界的应力分量的三个值可以从板的平衡考虑来导得。

Three values of nonparallel boundary stress components can be derived from considerations of equilibrium of the plate .

该方法可直接求出应力分量（σx，σy，σxy），可不必计算等效节点载荷和应力、应变矩阵。

By this method , the stress was directly obtained , and the equivalent loads of nedes , stress matrix and strain matrix were not required to calculated .

当裂纹尖端优先在纯II型应力分量作用下开动与裂纹共面的滑移系、并且有合适的硬化系数下降速率时，裂尖易形成局部形变带。

If the crack tip slip system was preferably activated by pure mode ⅱ resolute and the decreasing rate of hardening coefficient was enough , then the local deformation band ahead of crack tip was easy to be formed .

结果表明，在裂纹尖端应力分量和电位移分量均具有&1/2的奇异性；在正压电效应下，应力强度因子k1与电学量无关。

The results show that the stress and the electric displacement components in the crack 's top have the & 1 / 2 singularity , and the stress-intensity factor k_I is independent of electric quantity when a positive piezoelectric effect is examined .

引入了位移分量和应力分量组合量，建立了这些组合量Hankel变换之间的关系。

The combination variables of displacement components and stress components are introduced respectively . The relations between the Hankel transforms of these combination variables are established .

将位移分量和应力分量组合成混合状态向量，使研究体系从Lagrange体系转换成Hamilton体系。

Both displacements and stresses are combined into a mixed state vector , from the system of Lagrange to that of Hamilton and so that the orders of differential equations are reduced from two to one .

在裂纹尖端的理想塑性应力分量都只是θ的函数的条件下。

Under the Condition that all the perfectly plastic stress components .

能求出弹性地基板的地基反力，全部位移和应力分量。

The foundation reaction , all the displacements and stress components can obtained .

应力分量构成了一个对称的数组。

The stress components form a symmetric array .

并讨论了应力分量法的局限性。

The limitation of the stress component method on solving such a problem is also discussed .

正应力分量表示拉力。

A positive-stress component means tension .

关于应力分量法的讨论

Discussion on the stress component method

这个特点使得最大往返剪切作用面上的静力有效应力分量和往返应力分量的表达式十分简单，便于应用。

Because of this feature the static and cyclic stress expressions on the plane are quite simple .

薄壁板壳结构表面的应力分量、主应力和有效应力。

The stresses component , principal stresses and effective stress on the surfaces of thin plate or shell structures .

但在运动方程中，应力分量都是以它们的空间导数的形式出现的。

In the equations of motion , the stress components in general appear in the form of their space derivatives .

在理想弹塑性材料中，高速扩展裂纹尖端的应力分量都只是θ的函数。

All the stress components at a rapidly propagating crack-tip in an elastic perfectly-plastic material are functions of 6 only .

在涂层上，有些残余应力分量远高于基底和纤维处的状况。

Some components of the residual stress in the coat is much greater than that in the matrix and fiber .

而在应力分量无一减少的复杂加载中，形变理论也能大约适用。

For the complex loadings in which no stress component decreases , the theory of deformation can be considered as also applicable .

根据实测地应力资料，利用多元非线性回归分析的基本原理，得出了计算区域初始地应力场应力分量的回归公式。

The regression equations of the six stress components were obtained according to measured results and the principle of multivariate nonlinear regression analysis .

首先建立单一微裂纹在单轴压缩荷载作用下的力学模型，求出裂纹端部的应力分量。

A mechanical model is built firstly for single microcrack under uniaxial compression loading , and the stress component of microcrack end is calculated .

在二维或三维的情况下，屈服极限是当所有应力分量的某个函数达到某一固定值时达到的。

In two and three dimensions the yield limit is reached when a certain function of all the stress components reaches a fixed value .

在两向量函数系下分别得到了在一般表载作用下介质内任意点处的位移及应力分量的解析表达式。

The analytical expressions of displacement and stress components at any point of the medium by general surface loads are obtained in these two systems .

首先由动量平衡定律导出用应力分量表示的二维弹性波波动方程，然后用傅里叶变换法求解其波场。

2D elastic wave equation expressed in stress components is derived using momentum conservation law , then the wave field is calculated using Fourier transform .

应力分量与等达因条纹级次的导数相关，为得到具有高测试精度的应力分量在等达因条纹测试中引入了双折射相移技术。

In order to obtain the stress components correctly , accurately and efficiently the birefringence phase shift technique is applied into isodyne fringe pattern 's distinction .

加载方式包括简单加载，应力分量无一减少的复杂加载，以及中性变载。

The loading paths include those of simple loadings , of complex loadings in which no stress component decreases , and of " neutral loadings " .

推导了温度应力分量和收缩应力分量的数学表达式，建立了面板应力多因素时变分析模型；

The mathematic expressions of temperature stress and dry shrinkage stress are deduced . The time-varying model based on multiple factors of concrete face stress is established .

于是，在采用了线性形状函数来表达的位移分量以后，应力分量对运动方程的贡献必恒等于零。

Thus , if we use such form functions to represent the displacement components , the effect of internal stresses to the equations of motion vanishes identically .

这样就给出了裂纹尖端附近的应力分量和位移分量的简单近似表达式，由推导出的动应力分量和动位移分量可以退化为其在各向同性材料静态断裂问题中的情况。

Simple approximate expressions for the stresses and displacements near the crack tip are developed . The expressions can be degenerated for static problems in isotropic materials .

根据分析所得的动、静应力分量，采用有限元与圆弧滑动法相结合的有限元一圆弧法，分析了挡土墙的抗滑稳定性。

The stability factor of retaining walls is analyzed with the finite element and slip circle method , which is based on the results obtained by static and dynamic FEM .

利用文献[1]的通解，将位移分量和应力分量分别表达成傅里叶-贝塞尔级数和双曲-贝塞尔级数的形式。

According to the general solution in reference [ 1 ] , components of the displacements and stresses can be expanded into the Fourier Bessel series and the hyperbolic-Bessel series .