查询词典 boundary

And the control volume finite difference method based on the boundary fitted curve line coordinate for the coupling model of whole system;(2)introduction of the relative temperature gradient function Sv , which is used to determine the evolution of crystal / melt interface shape, because the shape of the crystal / melt interface during crystal growth is an important factor in determining the crystal quality.

本文采用数值模拟方法，研究了传热对晶体生长的影响，包括以下几个方面：(1)建立了晶体的简化模型，熔体的简化模型和相应的数值计算方法；为了从总体上研究晶体生长的动态特性，首次导出了旋成体曲线座标系的SIMPLEC算法，并成功地应用于晶体生长的整体模拟。

The first is how to determine boundary curve of surface in triangular domain and after deducing, simultaneous equations is proposed in the dissertation. The second is how to determine the coupling parameter. The third is present simultaneous equations in order to obtain G1 continuous considering the continuity between two triangular patches and the fitness rules.

具体的工作体现在三个方面：一是对拟合条件下的三角域曲面边界线的确定，本文经过推演给出了求解方程组；二是对耦合参数的确定；三是在考虑相邻两片三角域曲面连续性的同时将拟合的规则纳入，给出了求解方程组以达到G 1连续。

Considering the oxidization of the silicon layer at the vacuum boundary,the measured reflectivity curve is well fitted,and the layer thicknesses are matched with the designed one.

在考虑最上层Si的氧化作用后，对测量曲线进行拟合，得到的反射率曲线和膜层厚度分布分别与测试曲线和设计结果相吻合。

The method submits a practical solution to the data exchange problem between the two kinds of different topological surfaces. The author gives the details of surface regularization, boundary extraction and skeleton curve construction in this chapter.

本章对三角曲面裁剪重构的方法、实现及应用进行了系统研究，并对其中的若干关键问题，例如三角曲面的整体规范化、原始曲面边界提取及母面骨架线构造等，进行了深入探讨。

The contact curved surface equations and the contact plane surface equations have been worked out. The boundary curve eqations of the contact surface have been founded.

运用数学分析方法，首次对板式楔横轧工艺的轧件稳定旋转条件、轧件不产生缩颈拉裂条件进行了理论研究。

On the basis of study on hydrates phase equilibrium and the GHSZ affecting factors, the potential planar distribution of gas hydrates is determined by studying the temperature and pressure conditions in the sea bottom with different water depth, and the thickness of GHSZ is attained by solving the hydrates phase boundary curve equation and geothermal gradient curve equation.

在充分研究水合物相平衡和水合物稳定带影响因素基础上，通过建立水深和海底温度的关系，确定了不同气体成分和孔隙水盐度情况下，水合物稳定带在南海的分布范围，并根据水合物相平衡曲线方程和温度-深度方程计算了水合物稳定带的厚度。

The calculation is based on the analysis of linear direct boundary element method.

最后，对算法的并行效率及负载平衡作了分析。

The boundary element method has also been studied systematically in this thesis.

作者对边界元法进行了系统的研究，对多介质边界元方法进行了公式推导，编制了相应的计算软件。

The present method is more accurate than the finite element and boundary element method.

将几组典型数据的计算结果与FEM-BEM组合法计算结果的比较表明，该方法是准确和快速的。

It was firstly to apply the three-dimensional Boundary Element Method in the simulation of DS process.

本文首次在定向凝固过程的数值模拟中采用了三维边界元方法。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。