查询词典 boundary surface

The new schemes hold the main advantages of the DG finite element method: the method can easily handle complicated geometries and the boundary conditions; the method is highly parallelizable.

格式保持了DG有限元方法的优点：易处理复杂的几何区域和边界条件，具有高度的并行性。

And boundary condition and parametrization of offset data points influencing on interpolating curve is discussed.

因此，正确地选择边界条件和型值点的参数化方法将会得到所需要的插值曲线。

The method is easily realized with small computation amount,and its absorption effect is better than conventional paraxial approximation absorption boundary condition.

该方法简单易行，计算量小，而吸收效果比常规旁轴近似吸收边界条件更好。

The layered soils and elastic half-space were simulated by thin layer elements and paraxial boundary respectively.

采用薄层单元和傍轴边界分别模拟层状地基和弹性半空间。

When we use boundary element method to solve problems of fluid structure interaction, large amount of calculation of Green's function and its partial derivative is required.

Green函数及其偏导数的数值计算在水动力学中起着重要作用，当用边界元法求解流体结构相互作用问题时，需要大量的计算Green函数及其偏导数。

This paper is to investigate the numerical simulation of two partial differential equation boundary value problems on unbounded domains, which are derived from fluid dynamics.

本文研究两个由流体力学问题中得到的无界区域上的偏微分方程边值问题的数值模拟。

Therefore,it is necessary to research diffusion equation for suspended sediment because it describes the sediment move process in the water body.The equation is a various coefficients second-order linear partial differential equa-tion,such equation under complex boundary condition is very difficult to get its analytical solution,while its numerical solution relative analytical solution is more easier and has the obvious superiority:simple,the computation convenience.but to get a kind of difference format which is good accuracy and stability is not easy.

泥沙扩散方程实际上是一个变系数的二阶线性偏微分方程，这样的方程在各种复杂边界条件下求解是十分困难的，求它的解析解在数学上存在着难以克服的障碍，无法求出其精确解，因此常用数值方法求它的近似解，相比较而言，数值方法有着明显的优势：即简单灵活、计算方便快捷，但要寻找一种精度高、稳定性好、计算方便的差分格式也并非易事。

Based on continuous conditions of general displacements and stresses at interfaces of adjacent layers and given boundary conditions, the reflection and transmission coefficients of elastic wave were obtained by virtue of partial wave method and propagator matrix method.

以多层纯弹性结构为研究对象，验证本文提出方法的正确性，然后对弹性波在多层电磁弹性结构中的反射与透射特性进行了计算和分析，并讨论入射角、入射波频率和电磁边界条件对这些系数的影响。

In particularization KIBS firms, the levels of self-leadership and boundary penetrability are positive related with innovation performance, but just self-leadership degree is related with innovation performance when it happens in standardistion KIBS.

在定制化KIBS企业背景下，结构的自我管理性和边界渗透性对创新绩效具有显著影响，创新组织表现为高度自我管理与边界渗透的结构特征；而在标准化KIBS企业背景下，仅自我管理性水平表现出对创新绩效的显著影响。

Thus, the problem of open boundary detection becomes a minimal partition problem.

这就将开边界的检测问题转化为一般的曲线最小分割问题。

In contrast to the ubiquitous rising-sun-with-rays military flag of the Japanese, Chinese banners and ensigns feature a range of designs.

与遍地都是的太阳军旗不同，中国人的旗帜和徽章设计得各式各样。

From their small corner of Feng's Guangzhou headquarters -- a jumble of pink leashes, squeezable rubber steaks, and plastic doggy Santas for Fido's stocking -- Soleil's designers come up with at least five new products a month.

从Feng 设在广州总部的产品展示柜台上可以看到，Soleil的设计师每月至少设计出5件新产品。