查询词典 boundary surface

Applying the boundary condition in the interface between the uniaxial anisotropic medium and free space, the surface of the conducting sphere, the expansion coefficients of electromagnetic fields in terms of spherical vector wave function in uniaxial anisotropic medium are obtained, and then the expansion coefficients of scattering fields and radar cross sections can be obtained.

通过矩阵方程的求解和球B(来源：e3ABC论文网www.abclunwen.com)essel函数的大宗量渐进表达式，我们给出了各向异性单轴介质球结构对平面波电磁散射的数值计算结果，并和其他的数值计算结果进行了比较，其结果正如我们所预料的一样，达到了预期的结果。

We use the boundary integral method to simulate the spherically symmetric collapse of a cavitation bubble, a free-surface potential problem having analytical solution. Evolving error curves are given in the thesis, and the influences of various discretization methods on the accuracy and the stability are compared.

我们使用边界积分法模拟空化气泡的球对称溃灭，一个具有分析解的自由面势流问题，给出了计算误差的演化曲线，比较了各种数值离散法对精度和稳定性的影响。

In view of the curved free surface, complicated boundary, its very difficult to simulate the flow of spillway tunnel.

泄洪洞带曲线的自由表面，复杂的几何边界给三维数值模拟带来很大难度。

Inthis work, by using the boundary element method and the joint theory, thewhole machine structure is equivalently modeled by beam elements and spring elements,the corresponding whole machine static model is constructed and the basic propertyparameters of the unit surface of the joints are introduced. The analysis software of thewhole machine static feature is worked out. The optimal design method based on thegenetic algorithm is proposed with the whole machine structure of multiple variablerestrains the optimal design software is developed as well.

本文运用边界元方法和结合部理论，将机床整结构用梁单元和弹簧单元进行等效，并建立相应的整机静力学模型，引入了结合面基础特性参数；编制了相应的整机静态特性解析软件；然后针对多变量约束的机床整机结构提出了用遗传算法进行优化设计的方法，并且编制了相应的优化计算软件。

For the special boundary condition and geometry profile of meandering river, when water going into together with sediment, the former character will change, such as the superelevation of water surface and the difference of pressure in the centripetal direction.

由于弯道特有的几何特征和边界条件，使得弯道中水流产生水面超高现象，从而在向心方向上产生压力差。

Furthermore, the boundary condition exchange equation of constant surface potential change to constant charge density is derived for these equations.

而在反离子价数提升的状况下，当有越大的反离子价数会得到越低的空间电位，而同样空间的电位分布随距离表面的距离增加有更快速度的衰减。

Given four boundary curves and a set of random points lying on a surface patch, a method for assigning parameters to these points is presented.

给定四条边界曲线和表面贴片上的一系列随机的点，那么就可以提出一种给这些点赋参数的方法。

On the boundary of the mean surface of the conductor plate,the tangential component of E is coupled into the finite element equation by means of the differential of H.

借助于磁场强度H的微分，在薄导体板的均值面的边界上，电场强度E的切向分量被耦合进有限元方程，而电场强度E的法向为零的边界条件被强加。

A method of measuring the materials thermal conductivity is proposed, through optimal approach of the measurement of the surface temperature with the analytical solution to calculate the materials thermal conductivity in the third boundary condition.

提出了一种根据第三类边界条件下物体瞬态温度场的变化规律，利用物体表面温度的实测值推算物体导热系数的快速测定方法。

The mathematical model of weight gain per unit area during carburizing was deduced on basis of the third boundary condition of surface reaction for carburizing and RE-carburizing.

本文系统地研究了20、20CrMnTi和20Cr2Ni4A钢气体渗碳和稀土渗碳过程中的碳浓度分布、表面碳浓度增长动力学和渗层增厚动力学。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。