查询词典 principal stress

The rotation of principal stress axes for certain elements in dam are examined.

建议进行恒p、恒q或η=q/p为常数的加载路径试验，这对于合理预测堆石坝在应力路径转折等复杂应力路径下的性状是有利的。

The cell of foundation soil is taken notable impact on dynamic deformation and dynamic strength behavior under rotation of principal stress axes by cyclic wave load.

地基土单元体在波浪荷载的作用下将发生主应力轴连续旋转，这对土的强度和变形特性会产生显著的影响。

The observation shows that the tendency of dynamic modulus under coupling test with the effect of rotation of principal stress axes was similar with dynamic modulus under conventional dynamic test.

探讨了主应力轴连续旋转下，空心试样在微幅应变下的动力特性研究。

Marc. The responses of a typical dam under the wave loading indicated that the deformation of the dam increases if the effects of principal stress axes were considered.

Marc实现了新本构模型的数值算法，并对典型堤防在波浪荷载作用下的响应规律进行了分析，结果表明：相比不考虑应力主轴旋转的情况，计算中考虑应力主轴旋转效应将增大堤防的变形。

Based on the eight-step phase shifting technique, three methods to determining the first principal stress direction of the slice are discussed.

在光弹性八步相移法的基础上，提出了确定模型切片的第一主应力方向的三种方法。

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。

6Overlap joints should only be used for relatively low-stressed components and if possible only parallel to the direction of the principal stress.

搭接接头应只用于相对较低强度的部件上，如果可能，只与主应力方向平行。

The magnitude and direction of the principal stress were measured along the line of the water diversion project and their mutual relation and distribution characteristics were analyzed.

在 调水工程沿线测得主应力大小、方向，并分析了其相互关系和分布规律。

The critical pressure difference is 0.767MPa when the high and low pressure zones distribute along the direction of maximum principal stress.

高、低压力区沿最大水平主应力方向分布时，发生套管变形的临界压差为0.767MPa。

It is found that the wing crack extend along a curved path and gradually approximate to the line which passes the middle point of the main crack and is parallel to the direction of maximum principal stress.

采用数值和试验的方法对翼型裂纹的扩展路径进行分析，发现单轴下张开型裂纹的翼型裂纹的扩展路径逼近于过原主裂纹中心点、平行于最大主应力的一条直线。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。