应力

By using the full parametric finite element numerical simulation,a series of data is obtained,and the relationship between the stress and structure parameters of plate-fin is analyzed.

通过全参数化的有限元数值模拟，获得了一系列数据，分析了翅片和隔板中应力与结构参数的关系，结果表明翅片和隔板中应力值较原经验公式的计算值小，尤其是隔板中的应力与原公式的规律也存在明显差别。

Finally, the method is demonstrated with some oil derrick.

首先，应用当量损伤系数作为判别损伤是否存在与程度大小的综合评价指标，建立了损伤刚度矩阵；其次，确定了应力与当量损伤系数之间的函数关系，推导了应力残差矩阵对当量损伤系数的灵敏度表达式；然后，构造了基于应力的目标函数，提出应用正算过程和优化方法反演识别当量损伤系数；最后，用该方法对某石油井架进行了损伤识别。

The reliability analysis method of multi-overstress is introduced based on that of single overstress, and the Bayesian reliability growth model to analyze the SRM overtime test is proposed.

在单应力过载可靠性分析方法基础上，引入多应力过载，考虑多应力相关和不相关两种情形，丰富了发动机部件过载试验分析理论。

By analyzing these data, it indicates that strain-rate can enhance the flow stress, while temperature will lower flow stress, and after remained in a steady state, each stress—strain curve will be parallel to the strain coordinate axis.

数据分析表明，应变率对流动应力具有强化作用，温度对流动应力具有弱化作用，稳态变形后，各应力—应变曲线都变为一条趋于与应变坐标轴平行的直线。

The new photoplasticity analysis theory was put forward by the research of the change from photoelasticity to photoplasticity.

在冻结应力的情况下，光塑性条纹与试件的应力成比例，是应力条纹。

Based on the dynamic stress optic law and by making use of the stress values from strain measurements and BEM calculation, the history of birefringent fringe orders are calculated, and compared with the result of dynamic orthotropic photoelasticity.

把动态应变测量推算出的应力分量以及时域边界元计算出的应力分量分别代入正交异性动态应力－光性定律，得到随时间变化的双折射条纹级数历程，将其与正交异性动态光弹性实验的结果进行比较。

The index of primary stress + secondary stress is fail to pass because of big thermal stress.

由于热应力过大，该模型的主要应力+次要应力的指标评定不通过。

We carried out a primary study of shear stress activated K+ channel in osteoblast by using clamp patch technology .

研究原癌基因表达与剪应力的关系对于了解细胞通过何种途径将剪应力信号的刺激传入细胞内并引起一系列的细胞应答，对于进一步认识流动剪应力作用对成骨细胞功能、代谢等产生的影响都有重要的意义。

For the tests under the condition of cyclic rotation of principal stress axes, the magnitudes of three effective principal stresses were kept constant and only the principal stress axes rotated cyclically from 0 to 180 relative to vertical axis.

在应力主轴循环旋转试验中，控制施加在试样上的3个有效主应力的大小不变，仅应力主轴在0°~180°循环旋转。

The soil static and dynamic universal triaxial and torsional shear apparatus which can simulate the cyclic stress characteristic of sand on seabed is used to perform experimental tests of loose carbonate sand s with a relative density of 30% subjected to vertical-and-torsional coupling cyclic shear with the rotation of principal stress axes induced by ocean wave.

利用土工静力-动力液压三轴-扭剪多功能剪切仪模拟海洋波浪的加载形式，对相对密度为30%的钙质砂进行了扭转和竖向耦合循环剪切试验，着重研究了复杂应力状态下初始主应力方向角α0和中主应力系数b对钙质砂动强度特性的影响。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。