查询词典 boundary condition

In consideration of the cyclic symmetry of displacement constraints of group blades, a skew boundary condition and a skew coordinate system are introduced to deal with the constraint condition of group blades or integral blades.

该模型考虑到成组叶片位移约束的周期对称性，引入了料边界条件和斜坐标系统来处理成组或整圈叶片的约束条件，从而可以准确地计算出三维复杂形状叶片组在动、静状态下的固有频率和振型。

In Chapter 3, The existence of a bounded global attactor for Olmstead model with homogeneous Dirichlet boundary condition is proved under some condition on the parameters.

第三章讨论了带齐次Dirichlet边界条件的Olmstead模型的有界吸引区域的存在性。

Finally, we give some examples.In Chapter 3, The existence of a bounded global attactor for Olmstead model with homogeneous Dirichlet boundary condition is proved under some condition on the parameters.

本章分四个部分，第一部分是对问题的概述；第二部分讨论了扩散系数对具有无穷时滞的一维竞争扩散系统的空间一致定态解的稳定性的影响，将扩散系数d作为分支参数，我们证明了从d_0处当d

So this article mainly focuses on the study of the spreading of vibration wave in the earth under the condition of viscous boundary condition.

采用粘性边界条件对振动波在土体中传播问题进行了研究。

First, under the given boundary condition and reasonable simplified condition, this paper develops radiation transmitting equations in atmosphere applied in infrared waveband and visual light waveband from common equation of radiation transmitting.

本文采用了2002年1月、2月、7月、8月每日8时至16时的GMS-5卫星云图资料以及相同时次的漠河和郑州两个辐射站的地面净辐射资料。

On ideal boundary condition, a necessary and sufficient condition for conformal equivalence of an open Riemman surface and its smooth covering surface are given in this paper.

给出了理想边界条件下开Riemman曲面与其光滑覆盖曲面为共形同胚映照的充要条件，并将其推广应用

The torsional model is solved by numerical method by considering the boundary condition and initial condition.

在给定初始条件和边界条件的情况下，采用数值计算方法求解了钻柱扭振模型。

In order to fit the terrain condition, this dissertation uses Mathieu function and modified Mathieu function during the process of wave function expansion, also tries two different methods in small elliptical hill and high elliptical hill to overcome the barrier of composite boundary condition.

展开时为了克服混合边界条件带来的影响，在扁平椭圆地形和高陡椭圆地形中分别尝试了现有的两种方法并分析了其中存在的题目。

First, response model in time domain of pile under the transient state of stimulated vibration is reduced according to damping wave equation, initial condition and boundary condition.

首先，从桩-土系统共同作用的阻尼波动方程入手，结合初始条件、边界条件，推导了完整桩瞬态激振下的时域响应模型。

Secondly, based on the different structure characteristics and additional conditions, we study several kinds of inverse problems of pseudoparabolic equations. One is a kind of pseudoparabolic inverse problem of identifying a constant coefficient solved by combining the formal solution of the problem and the additional condition properly. The second is the pseudoparabolic inverse problems of identifying an unknown boundary function and an unknown source term solved by using the Riemann function method to get the formal solution of the problem and then using the additional condition to transform the problem into a Volterra integral equation of the second kind. The third is a kind of backward heat flow problem of nonlinear pseudoparabolic equation solved by combining the Riemann function method and the fixed point theory properly.

其次，根据不同模型的结构特点和附加条件，研究了几类伪抛物型方程的反问题：一是利用问题的形式解并结合附加条件，解决了一类伪抛物型方程常数系数的反问题；二是利用Riemann函数方法获得问题的形式解，利用附加条件将问题转化成求解第二类Volterra积分方程问题，解决了一类伪抛物型方程未知边界值的反问题和未知源项的反问题；三是将Riemann函数方法和不动点定理相结合，解决了一类非线性伪抛物型方程的后向热流问题。

These rules reflect some inherent feature of self and nonself, and they are the basic detection criterion of GECISM.

这些规则反映了"自我"和"非我"的内在特征，是GECISM进行"非我"检测的判据。

Until today, the media from China and the outside world still uses the term "Post 89". Regardless to whether it is for commercial gimmick or convenience, everybody still remember "Post 89", a term which carries a strong Cantonese accent.

时至今日，国内外艺术媒体还是在沿用&后八九&这个称谓，不管当初是为了商业噱头还是容易上口好记，反正大家现在是记住了&后八九&这个广东口音很重的词。