应变

This thesis presents the analytical solution for anti-plane problem of an elliptical inhomogeneity with non-uniformly distributed eigenstains embedded in anisotropic elastic media with a single plane of symmetry.

本文求解了具有一个弹性对称面各向异性介质椭圆夹杂受非均匀特征应变作用时的反平面问题的弹性应力、应变场。

Poisson's ratio represents the negative ratio of transverse and longitudinal strains.

泊松比的定义为样品横向应变与轴向应变的相反数。

Poisson's Ratio—Ratio of lateral strain to axial strain in an axial loaded specimen.

泊松比—轴向负荷下试样侧向应变对轴向应变的比率，与刚性模量和杨氏模量有关

Test results show that, with the addition of polyvinyl acetate, the compressive strength and compressive modulus of mortar decrease distinctly, but the ultimate strain increases significantly. The uniaxial tensile strength and bending strength increase a little, but the tensile peak-strain and the ratio of tensile-compressive and bending-compressive increase remarkably.

试验结果表明，随着聚醋酸乙烯的掺入，砂浆的轴压强度和弹性模量显著下降，但极限应变却明显增大；砂浆的轴拉强度和抗弯强度均略有提高，而极限应变、拉压强度比和弯压强度比则显著增加。

In addition, the coefficient k of power law, the exponent m of sensitivity of strain rate and the energy Q of plastic deformation were derived based on the experimental results and theoretical analyses.

根据试验结果，推算出了半固态LY12在不同变形温度及应变速率下的幂函数系数k、应变速率敏感性指数m及变形激活能Q的值，从而获得了半固态LY12合金变形力学行为的定量描述。

The stress-strain relationship has been investigated with reference to the relative orientations of the principal axes of stress and strain, to the connection between the Lode's parameters of stress- and strain-ratios, and also t...

試驗結果并示出：应力应变关系对复杂加載的敏感性似与变形的塑性程度有关：塑性程度愈大时，复杂加載下的实际应力应变关系对形变理論中各項基本假定的偏差似也愈大。

How to easily and reasonably determine the value of principal stress in the direction of plane strain is the key point.

基于弹塑性理论及土的试验规律，在平面应变的简单加载条件下，假定主应力之间的关系为双线性函数，并利用一维固结和破坏时的主应力状态，确定双线性函数的系数，得到平面应变方向上主应力计算公式的一个较合理形式，为应力状态和材料性质的函数。

A great quantity of any angle strain rosette readings was gathered in structural test, the principal strain and the principal direction were calculated by computer program written in this paper.

在结构试验中采集得到的成百上千个任意角度应变花的读数，可用本文编写的计算机程序确定其主应变及主方向，从而替代了科研人员大量的手工计算。

The characteristics of deformation and strength of soils under the plane strain condition can be simplified as a two-dimensional problem. How to easily and reasonably determine the value of principal stress in the direction of plane strain is the key point.

在平面应变条件下将土体的变形和强度特性简化为二维问题处理时，其关键就在于如何简单、合理地确定平面应变方向上的主应力大小。

Firstly, We studied the maximum principal stress and horizontal strain during the deformation of single fold and multi-layer fold and the effect of strain velocity on fold deformation under compressive stress.

本论文首先主要对单层和多层褶皱变形过程中最大主应力的变化与水平应变之间的关系，以及应变速率等因素对褶皱变形的影响进行了研究。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。