研究了半平面压电复合介质中螺位错的性能。
This paper is concerned with the behavior of a screw dislocation in a half-plane piezoelectric composite medium.
文中系统地导出了弹性半平面问题的基本解。
A fundamental solution for the problem of elastic semi-plane has been derived systematically.
其中格林函数是由半平面的位移解,梁的挠度理论求得。
Where the Green function is obtained by the sum of the half-plane solution for surface displacement and beam theory deflections.
本文提出一种确定特征多项式的全部根是否位于左半平面的迭代法。
In this paper, we present an iterative method for determining whether all roots of characteristic polynomial are on the left half-plane.
如果你画个切面是垂直的,或者是更好的垂直半平面,我们擦掉这半边。
So, if you slice these things by a vertical plane, or actually even better, a vertical half plane, something to delete one half of the picture.
采用左半平面零极点相消的方法设计了电流及转速PI调节器的参数;
The current and speed PI regulator parameters are designed using the left half plane zero-pole cancellation method.
运用复变函数及积分方程方法,求解了半平面域多圆孔多裂纹反平面问题。
By using of complex variable function and integral equation method, the antiplane multiple holes and cracks problem of half plane region is considered in this paper.
运用复变函数及积分方程方法,求解了半平面域多圆孔多裂纹反平面问题。
The edge internal branch crack problems for half-plane in antiplane elasticity are solved with complex potentials and singular integral equation approach.
当然,r可以围绕z轴转圈,但我只做了一个垂直的半平面,对于一个确定的θ来说。
Of course, r goes all around the z axis, but I'm just doing a slice through one of these vertical half planes, fixing the value of theta.
本文给出了可用于解决半平面上一般射线裂纹系的基本解。文中作了例题验证。
This paper presents a fundamental solution which can be used to solve the general radial crack system on half-plane. An example is given for check up.
第二章研究了具任意形状裂纹的各向同性弹性半平面在周期压头作用下的接触问题。
In the second chapter contact problem of a half-plane with periodic cracks under periodic rigid punch action is studied.
说明了值函数在整个平面上是连续的,在左右两个半平面的内部还是连续可微的。
The value function turns out to be continuous in the whole plane, and is even continuously differentiable in the interiors of both right and left half planes.
利用复变函数和奇异积分方程方法,求解反平面弹性中半平面边缘内分叉裂纹问题。
The edge internal branch crack problems for half-plane in antiplane elasticity are solved with complex potentials and singular integral equation approach.
利用复变函数和奇异积分方程方法,求解反平面弹性中半平面边缘内分叉裂纹问题。
By using of complex variable function and integral equation method, the antiplane multiple holes and cracks problem of half plane region is considered in this paper.
本文利用复变函数方法,研究了两个各向异性半平面的焊接问题,得到了应力分布的封闭形式解。
In this paper, the welding problem of two half-planes with anisotropic media is considered. By means of the complex variable method, the stress distribution is given in closed forms.
本文用有限元与半平面边界元耦合法计算了坝体坝基应力,又结合边界配置法求出了坝踵应力强度因子。
In this paper, the stresses of gravity dam and dam foundation are calculated by the coupling method of finite element and half plane boundary element.
以半圆形和矩形基坑弹性半平面应力解为基础,推导了基坑周围土体的竖向位移和水平向位移的计算公式。
Based on the elastic semi-plane stress solution of the semicircular excavation and rectangle excavation, deducing the soil displacement equation around the foundation pit.
请说,所以我说当固定θ时,得到的是半平面,而非全平面,它布满z-轴的一侧,但从不延伸到z-轴的另一侧,为什么?
Yes? Yeah, so I'm saying when you fix theta you get only a half plane, not a full plane I mean, it goes all the way up and down, but it doesn't go back to the other side of the z axis. Why?
正是在那,他与他的研究人员一起将用于半导纤维的技术-影像平面印刷技术与组合化学嫁接到了一起。
There, he and his colleagues devised a scheme to marry photolithography, a technology used in semiconductor fabrication, to combinatorial chemistry.
这些冰盖目前导致不到一半的海平面上升,每年约上升30毫米。
Together, these ice sheets are currently responsible for less than half of sea level rise, which is currently at about 30 millimetres a decade.
大约有一半的地区的海拔小于1米,大部分地区低于海平面。
About half of its surface area is less than 1m above sea level, and large parts of it are actually below sea level.
海平面如果上升一米,孟加拉国一半的粮食耕种土地将被淹没,同时也会迫使4千万居民避难。
Even a one-meter rise in sea level would inundate half of Bangladesh's rice-growing land, forcing the relocation of 40 million people.
但是,即使只有南极洲西部和格陵兰岛大冰原的一半融化的话,海平面就会上升6 -7米,世界上的许多大城市都会被淹没,前景令人沮丧。
But if even half of the West Antarctic and Greenland ice sheets were to melt, sea levels would rise by six or seven metres, flooding many of the world's big cities, and the outlook is discouraging.
用造价只相当于多关节弧焊机器人造价一半的平面关节机器人,进行电弧焊具有较大的经济效益和推广价值。
This paper introduces to a study and development of applications of an economic plane articulated robot in arc welding completed by.
高楼将覆盖玻璃和白色石材,高楼为矩形平面,在一半高度处将伸出一个外部的露台。
Glass and white stone will clad the tower, which has a rectangular plan that will step in around halfway up to allow for an external terrace.
将该解析元与有限元相结合,构成半解析的有限元法,可求解任意几何形状和载荷的平面裂纹应力强度因子及扩展问题。
The new analytical element can be implemented into FEM program systems to solve for stress intensity factor and deal with crack propagation problems for plane cracks with arbitrary shapes and loads.
研究人员们声称,到本世纪末还平面将会上升几近半米,迫使海岸线后退几百米。
The oceans will rise nearly half a metre by the end of the century, forcing coastlines back by hundreds of metres, the researchers claim.
该模型考虑了多种介质、开挖过程和施工顺序的模拟以及地表因素的半无限平面等问题。
This model has considered many sorts of medium, the simulation of excavation process and construction sequence, and the semi - infinite plane of surface factor as well.
利用数字散斑干涉法,研究了半无限平面模型在受冲击载荷下的面内位移场的测试技术。
In this paper, the method of measuring the in-plane displacement field under an impact loading is proposed and is named dynamic digital speckle pattern interferometry.
利用数字散斑干涉法,研究了半无限平面模型在受冲击载荷下的面内位移场的测试技术。
In this paper, the method of measuring the in-plane displacement field under an impact loading is proposed and is named dynamic digital speckle pattern interferometry.
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