数值方法

Mechanics method can only solve simple engineering problems,so this paper analyses the two common structure of the sealing of tail shaft through finite element method.

针对经典力学法只能求解较为简单的工程问题的缺陷，通过有限元法对舰船艉轴的两种常用密封形式进行了动力学分析，将计算结果通过数值方法加以整合，并从中找到与实际运行过程相符的计算结果进行分析，直观地展现了两种密封结构的优缺点。

Structured bonds theoretical prices which calculated with term-structured model and Numerical methods are lower than the market prices. The difference should come from the demand and supply issues and shows the calculating models can not reflect the change of the demand and supply of structured bond market.

一、根据利率模型及数值方法所计算出来结构债券之理论价值会低於市场实际所成交之价格，两者价差除反应市场供需外，亦反应出模型所不足之处，无法捕捉到市场供需的变化。

Considering the role of foundation slab, the stress and settlement of composite foundation improved by cement soil pile were analyzed by use of 3D finite element method.

在考虑基础板的基础上，通过三维数值方法对水泥土桩加固复合地基的附加应力和沉降进行了分析。

In the icing research,we construct three different ice shapes: sharp-angled ice,blunt nosed ice and double horn ice.

对翼型结冰问题，在结冰条件下，利用数值方法分析研究翼型和多段翼型绕流流场及气动特性的影响。

In this paper, we proposed a numerical investigation in the time domain of dynamic response on semi-infinite porous saturated viscoelastic medium.

本文用数值方法研究了半空间黏弹性流体饱和孔隙介质的动力时域响应。

It is very important to reveal the characteristic of nonlinear small-scale self-focusing of broadband laser experimentally, and it is also of great theoretical and practical significance for the development of high-power laser system.

本文在利用解析和数值方法研究宽带激光自聚焦规律的基础上，通过搭建具体的实验平台，进一步从实验上研究了宽带激光小尺度自聚焦的动态传输过程。

In order to forecast and simulate reasonably the behavior of oil spill, the thesis presents a progressive simulation method based on"oil particle"method, namely, dividing the oil spill behavior into self-expansion and turbulent current expansion, then using different numerical methods to simulate and forecast.

为合理地预测模拟溢油的行为动态，本文在&油粒子&模式的基础上提出了溢油运动的分阶段模拟法，即将溢油运动过程分为自身扩展和湍流扩散两个阶段，分别用不同的数值方法进行模拟预测。

The mode of a photon-added double-mode SU(2) coherent state｜M,ξ;m〉=A_a~｜M,ξ〉is introduced and its quantum statistics property is investigated with numeric method .

构造了单a模加光子双模SU(2)相干态|M，ξ；m〉=Ama+m|M，ξ〉，并用数值方法研究它的量子统计特性。

We numerically investigate the deflection characteristics of incoherent coupled bright and dark photovoltaic spatial soliton pairs in a photovoltaic photorefractive crystal with diffusion effect.

采用数值方法研究了在一个具有扩散效应的光伏光折变晶体中的非相干耦合的亮和暗光伏空间孤子对的偏转特性。

This paper presents the explicit expression of geodesic equation on a paraboloids of revolution using differential geometry which avoids the complexity of geodesic ray tracing by numerical approach.

本文根据微分几何原理，从广义费马原理出发，得到了旋转抛物面上短程线的解析式，避免了数值方法射线寻迹的复杂性。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。