边界值

In the investigation,the finite-element software ANSYS was adopted to simulate the temperature field,and the effects of heat conductivity,specific heat and some boundary conditions such as sunlight radiancy and wind speed on the temperature field were analyzed.

应用有限元软件ANSYS对温度场进行模拟，分析了太阳辐射、风速等边界条件和导热系数、比热等计算参数对温度场的影响，并提出了相应的建议值。

The second part is devided into two chapters, it\'s main aim is to study the global solutions to 1-d compressible Navier-Stokes equations, and it is organized as follows:In Chapter 2, we introduce the second boundary value problem for the compressible Navier-Stokes equations in the half space.

第二部分分为二章，主要讨论一维可压Navier-Stokes方程整体解的存在性，其中：第二章讨论了不可渗透问题(流体的速度在边界上为0情形)，其中对温度给出了第二边值条件。

In this method the transfer functions, which are the response of the temperature and thermal stress in the key parts of the special structures caused by the unit temperature load with the special loading model, are computed firstly using the detailed finite element analysis. Then both the thermal and stress responses and their sensitivities to any complex change of temperature can be obtained by the simple cirro-product integral.

该方法的基本思想是：基于一定的结构和热载荷模式，将事先通过详细有限元分析求出的单位突加热边界条件变化引起的结构控制区的温度和热应力响应作为传递函数，然后进行简单的卷积积分运算，就可以得到任意热载荷幅值变化历史所对应的温度和热应力，进而也可快速进行灵敏度分析。

In the last thirty years, singular boundary value problem in Banach space has become one of the most important problems that attract the attention of more and more mathematicians and other technicians see.

近年来，由于Banach空间中的奇异边值问题在气体动力学、流体力学、边界层理论、非线性光学等应用学科的研究中具有较高的实用价值，该问题逐渐成为国内外数学工作者和其他科技工作者所关心的重要问题之一(见[9]-[11]、[15])。

Model:The mathematic model of one kind of oin reactions for the problomof groundwater[47,48]:whereis a bounded domain with smoothy boundary.J=0,T.D＞d＞0is the diffusion coeffcients,ρ＞0 is the density of the solid,which are all constants.

模型：地下水污染问题中一类离子反应数学模型[47，48]：〓其中〓为具有光滑边界的有界区域，J＝0，T。这里D＞d＞0为扩散系数，ρ＞0为固体颗粒密度，均为常数。〓初边值条件为

Later the formula for the transmission coefficient in the centre of the thin spherical shell is achieved.

在平均边界条件的基础上，导出了旋转球形薄壳体屏蔽边值问题的解，之后得到了球形薄壳体中心传输系数的公式，最后应用FORTRAN语言编程上机计算，找到了磁场振荡频率、旋转速度与传输系数的关系等重要屏蔽特性。

Considering the specialty of first break, this paper discussed edge detection and spline interpolation used for first break picking.

为此，从初至波的特点出发，提出了单道数据边界检测和样条插值相结合进行初至波自动拾取的方法。

The balance equations as well as all boundary conditions concerned have been deduced from functional stationary value condition.

由泛函驻值条件可以导出所给问题的平衡方程及全部边界条件。

First of all, a system of linearized equations was set up with respect to an atmosphere at rest, and a couple eigenvalue-eigenfunction problem was formulated, which consists of horizontal and vertical structure equations with suitable boundary conditions.

首先，建立了静止大气状态下模式的线性化系统，并在适当的边界条件下将线性化系统分解成具有垂直与水平结构方程的本征值、本征函数耦合问题。

Based on nonsmooth analysis theory, the viability criterion is verified under the condition that the set-valued mapping in the right hand side is a polytope and the boundary function of the region is subdifferentiable and its subdifferential is a convex hull of finitely many points.

当右端集值映射为多面体，边界为次可微函数，且次微分为有限点集凸包时，基于非光滑分析理论，给出了在一点处检验生存性条件是否成立的方法。

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。