查询词典 Fredholm integral equation

The multiple cracks and multiple circular holes problem of the particular antiplane regions are studied in the paper by the complex variable function and integral equation method.

利用Fredholm积分方程和复函数方法对断裂力学中的一些特殊反平面区域内的多圆孔、多裂纹问题进行了计算。

In this paper,we consider the existence and uniquness of solution for Dirichlet problem of the Helmholtz equation on the domain with corners, i.e problemFor smooth boundary,we use potential theory to transform the problem into second kind boundary integral equation ,and use Fredholm alternative theorem,we obtain the existence and uniqueness of Dirichlet problem.

在本文中，我们考虑边界含尖点的有界区域上Helmholtz方程△u+k~2u=0的Dirichlet问题即问题与问题解的存在及唯一性。

Boundary integral equation;Fredholm alternative theorem;potential theory

论文导师严国政，论文学位硕士，论文专业基础数学

The second kind of Fredholm integral equation of the single pile in layered saturated viscoelastic soil is obtained through the fundamental solutions.

然后对所得的积分方程进行Laplace变换，得到变换域内的积分方程，对变换域内的积分方程采用Schapery逆变换方法得到时域内水平单桩的近似积分方程。

The ill posed problem can be converted into the first Fredholm integral equation; and an algorithm of inversion is given using the Tikhonov's regularization method.

为了达到净化环境的目的，研究污染物在水体中的扩散现象，进而加以控制，已成为其中重要内容之一。

Based on the fundamental solution of circular load in the interior of the layered half space, the second kind of Fredholm integral equation of the single pile in layered saturated viscoelastic soil is obtained.

为了求解该问题，首先利用层状饱和土的圆形载荷基本解，建立了时域内层状饱和土地基中单桩的积分方程。

The probability generating function of queue length under stability is obtained by supplementing variables,where, p\-0 may be found numerically by solving first kind Fredholm integral equation.

尽管系统队列中仍有顾客在等待。对服务员有休假的排队系统的全面介绍可参看文献[1—3]。

In previous paper1-3, from the results of the electronic computer simulation experiments and the analysis of the corresponding optical properties, we presented a stabilization condition for numerically solving a Fredholm Integral equation of the first kindσ2σ1kBdσ=I in Fabry-Perot interferencespectroscopy.

在以前的论文中，我们从计算机模拟实验及相关的光学现象出发提出了Fabry—Perot干涉光谱技术中的积分方程数值求解的稳定条件。

In fact, for interior problem, solution of the direct boundary integral equation always exists.

事实上，对内边值问题，第一类Fredholm 直接边界积分方程的可解性条件是自然得到满足的，本文对此做了验证。

Using the Green function theory, the integral equation of perturbational parameters was obtained.

基于非均匀介质中波函数的局部理论和射线理论，引入了全波场的广义射线近似形式，通过定义介质参数函数，把反演目标归结为其第一类Fredholm积分方程。

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。