查询词典 interior boundary problem

Firstly, by using the vector integral theory and boundary conditions of the electromagnetic filed, the boundary problem of two electromagnetic fields in the upper half space and lower half space is transformed into two vector integral equations just related to the topography interface, i.e.

提出了一种用边界元法计算频率域人工源三维地形电磁场的数值模拟方法。

It has been solved to deal with the boundary when using interpolation function method to evaluate boundary value problem.

解决了插值函数法的边界（以及求解区域内不同介质间分界线）处理问题，其结果已得到实际计算的验证。

In the present work,the existence and uniqueness results aboutperiodic boundary value problems for different kinds of the nonlin-ear periodically perturbed nonconservative systems are establishedthrough the discretization technique,under suitable assumptions,by using global inverse function theorem and result about the ex-istence and uniqueness of periodic solution for nonhomogeneouslyfirst order linear periodic boundary value problem.

本文的第一章概述了在讨论原问题解的存在唯一性过程中以及构造和分析相关的数值求解方法时将要用到的全局反函数定理、有关矩阵特征值的若干重要引理、线性常微分方程非齐次周期问题解的存在唯一性定理和单参数影射方法及有关结论，并简单回顾了已有的证明非线性微分方程周期边值问题解的存在唯一性的方法，其中包括谱理论、最大最小化形式方法、摄动技术和全局反函数理论方法，最后，介绍了两类数值求解非线性微分方程问题的方法。

The second section: Under the conditions of nonlinear boundary controbility, we consider the initial boundary value problem of Camassa—Holm equations with dissipative. By using the contractive mapping fixed point theorem and a priori estimates, the existence of global smooth solution, global attractor in H〓, time periodic solution or almost-periodic solution and the global exponential stability are proved.

第二部分：在非线性控制边界条件之下，对于带耗散项的Camassa—Holm方程的初边值问题，用压缩映射不动点原理及先验估计方法，证明了整体光滑解的存在性、整体解的指数稳定性、H〓空间中整体吸引子的存在性以及时间周期解和殆时间周期解的存在性。

Zhu Jialin[23]used a simple layer distribution expression based on velocity-pressure formula for the Dirichlet problem of Stokes equation with a Galerkin boundary element method and presented some numerical examples calculated by constant boundary element.

祝家麟从速度-压力公式出发，利用单层位势表示定常Stokes 方程Dirichlet 问题的解，用Galerkin 边界元法求解，并用常单元给出数值算例。

The solution expression is suitable both for the inner and outer problem with a close boundary, and the calculation of velocity and pressure can be carried out separately, which is an advantage of boundary element scheme.

该方法的积分表达式可同时表示内、外边值问题的解，而且计算速度和计算压力的式子可以分别开，这是用边界积分公式求解的优点。

The modern philologist wants for many times to the idiom to make to mark out boundary, meeting with often again so hard nut to crack; Also therefore make sure the scope of the idiom, make a clear distinction it and other familiar languages, especially with consistently use the boundary of the language, became idiom a define of core problem.

现代语言学者多次想对成语作个划界，又不时碰上这样那样的难题；也因此，确定成语的范围，划清它与其他熟语，特别是与惯用语之间的界限，就成了成语界定的核心问题。

The full field boundary element solutions are solved for the small—scall yielding problem of boundary layer formulation.

针对双材料界面裂纹边界层构形计算了小范围屈服问题的全场解，并与现有理论和有限元结果进行了比较。

The model is a free boundary problem for a system of partial differential equations governing the intratumoral nutrient concentration and the intratumoral pressure. The free boundary is the surface of the tumor.

该模型是一个关于肿瘤内部压力和肿瘤内部营养浓度的偏微分方程系统自由边界问题，其中自由边界是肿瘤外表面。

The IBC and the bound ar y integral equation are transformed into the third boundary condition, then the functional of the boundary value problem is obtained.

将 IBC和腔体口面边界积分方程分别转化为第三类边界条件形式，从而导出边值问题的相应泛函。

In the chapter 2, the theoretic knowledge about the photosensitive resin and the grinding tools was firstly introduced.

第二章阐述了光固化树脂结合剂磨具的相关理论研究。

Do not use the program's indenting or margin-setting features; these will be added during typesetting.

不要使用缩排，页面边缘设置之类的选项，偶看不大懂。