查询词典 second boundary condition

This equation can be deduced to an algebraic equation. Then, the boundary of water surface is fixed boundary condition.

在此基础上，并考虑了热对流和风吹掺混对水温分布的影响，利用FORTRAN语言编制了预测水库水温的微机程序。

This thesis contributed to the comprehensive study of the Finite-Difference Time-Domain method and its application to the numerical computation of radiated electromagnetic fields in switched mode power supplies. The work includes mainly three parts: the study on the performance of PML absorbing boundary condition applied to pseudo low frequency electromagnetic problems; the validation of the FDTD method with PML absorbing boundary conditions and the corresponding computer software based on the numerical study of the electromagnetic field of an electric dipole antenna, and its application to the numerical computation of radiated electromagnetic fields in switched mode power supplies; the development of an improved alternating direction implicit finite-difference time-domain method.

在综合前人工作基础上，本文对时域有限差分法及其在开关电源辐射电磁场数值计算中的应用进行了系统的分析和研究，其核心内容包括：伪低频电磁场数值计算中PML吸收边界条件性能的研究；基于基准问题—电偶极子天线三维辐射电磁场，验证了本文构造的基于PML吸收边界条件的三维FDTD法及其计算软件，并应用于高频开关电源辐射电磁场的数值分析；提出了一种改进的交替方向隐格式时域有限差分法。

Problem of deciding solution whose boundary condition is given is called boundary problem.

在本文中，讨论的均为发展方程的柯西问题。

Analysis system of boundary integral equation based on the above mentioned accurate boundary condition was set up.

建立了基于准确的边界条件的边界积分方程分析体系，最终得到开口结构的应力分布。

In order to decrease the reflection of wave on the boundary, spongy condition was used on top boundary.

为了减少波在边界上的反射，顶部边界采用了海绵边界条件。

Stefan problem is free boundary condition of physical equation in thermal transfer when the boundary change.

斯蒂芬问题是研究边界变化时导热规律的的物理方程的自由边界条件。

In this paper, we demonstrate that, based upon boundary conditions and the uniqueness theorem of domain decomposition method for boundary problem of Helmholtz equation, Snell's law may also be derived without adopting phase-matching condition.

该文利用Helmholtz方程边界问题的边界条件和域分解理论，研究了静态面电荷对电磁波在介面传播的影响，理论上得到了一些有物理意义的结果，这对认识电磁波在介面的传播特性有一定参考价值。

This paper devoted to the initial boundary problem of a degenerate reaction system with the null Dirichlet boundary condition.

研究一类具有Dirichlet边界条件的非局部退化反应扩散系统的初边值问题。

The primary objective of this thesis is to use multigrid method for solving nonseparable elliptic equations with Dirichlet boundary condition on a rectangle. Of course, this method can be applied with any boundary conditions.

这篇论文主要之目的是使用多重网格法来解一些不可分离的椭圆方程式有著Dirichlet条件在矩形的区域上(当然这种方法也可应用在其他的边界条件下)。

In theprocedure of natural boundary reduction,the Green function of the original equa-tion with the Dirichlet boundary condition is used,but the Green function could notbe obtained for a general domain.

在自然边界归化的过程中要用到原始微分方程Dirichlet问题的Green函数，但是对于一般区域Green函数是不容易得到的。

Yet, Edith says, there was always money in the bank.

但是Edith说，她的银行户口里面总是有钱。

We have created a series of files that resolve this problem--one for each day of the 40 days of purpose.

我们制作一系列的档案去解决这问题---一个为标竿40天中的每一天。