离散边界

至于板块离散边界地区，尚未见到有关报导。

There is no report on plate discrete boundary yet .

具有离散边界结点的旋转体子结构处理

A treatment of substructures of revolution with discrete boundary nodes

离散边界条件系统的最优控制

Optimal control of discrete-time boundary condition systems

散乱数据多元最优插值的误差估计及其超收敛性&带离散边界条件

Superconvergence and error bounds for thr multivariate optimal interpolation to scattered data & with discrete boundary conditions

本文划分了板块碰撞边界、离散边界、转换断层和陆缘海4种类型。

Plate collision boundary , discrete boundary , transform faults and adjacent sea are sorted in this paper .

用矢量格林公式将可压缩流连续方程变换成含边界积分的积分方程，用边界元方法离散边界积分方程，求解二维跨音速流。

This paper discusses the solution of problems involving 2D transonic flow by the method of boundary elements . The continuity equation in the compressible flow is translated into an integral equation by the vector Green formula .

华北陆块北缘的火山沉积岩系不具有离散边界杂岩的特征，它们可能揭示了大陆边缘或者大陆伸展过程。

There are some volcanic_sedimentary rocks distributed along the northern margin of NCB , most of which do not show characteristics of the complex in the divergent margin , but probably reflect extensional process of the continent and continental margin .

在理想不可压势流假定下，采用高阶有限元离散边界积分方程求解水流场。假定泡内气体遵循等熵关系。

The flow is solved by using the boundary integral equation method and the higher order finite element discretization on the assumption that the water is inviscid and incompressible , the flow is potential and the bubble gas obeys the isoentropic rule .

然后，通过逆变换推导出对流扩散方程的直接边界积分方程和解的积分表达式，并采用常单元来离散边界积分方程，完成对流扩散方程的求解。

The fundamental solution of Helmholz equation and Green formula were used to obtain the direct boundary integral equation . And then , the direct boundary integral equation of convection-diffusion was obtained by using inverse transformation , which is a discrete by using constant elements .

与通常的生成表面网格的网格前沿法相比，本方法无需预先对域的边界进行离散，边界的离散体现在约束Delaunay剖分中恢复限定线段的边界细分过程中，减少了用户干预。

Compared with advancing-front method , boundary discretization need not to be performed in advanced , the same effect was achieved when the boundary is recovered by means of boundary subdivision scheme in the conforming Delaunay triangulation procedure .

在建立高热流密度相变均热板传热模型的基础上，通过对能量方程的离散和边界条件的设定，应用Fluent计算软件，采用数值计算的方法对均热板底板的传热特性进行了分析。

Based on the heat transfer models of cold plate with high heat flux , the energy equation is dispersed and boundary conditions is set , then heat transfer character of bottom of cold plate has been analyzed by Fluent of CFD Software .

基于组合场积分方程的表面离散化边界方程法

On-surface discretized boundary equation method based on combined field integral equation

基于图形学方法的离散元边界接触检测法

Research of Boundary DEM Detecting Basing on Computer Graphics

用于空域扫描的表面离散化边界方程法

Application of the On-Surface Discretized Boundary Equation Method in the Spatial Sweep Calculation

本文提出一种统一的离散化边界方程法。

A unified approach , named discretized boundary equation ( DBE ) method , is introduced in this dissertation .

利用0-1混合型边界元剖分计算域的所有边界和通过波面高度和势函数的时间过程推算，建立节点上以势函数和波面高度增量为未知数的离散型边界积分方程；

Use 0-1 combined type BEM to establish discrete boundary integral equation with potential function and its normal derivatives as unknown quantity in node ;

提出了一种基于三角形边长比约束的离散点边界追踪算法，实现了对带洞凹多边形边界的有效追踪。

An edge length ratio based algorithm for complex shape tracing using irregular point is proposed , which can adaptively trace boundary with concave shape and hole .

空泡尾流采用压力恢复模型，应用高阶有限元离散的边界积分方程方法，求解给定空泡数下的解。

A pressure recovery model was adopted to represent the cavity wake . The problem of given cavitation number was solved by use of the boundary integral equation method and the high order finite element discretization .

采用3阶精度中心差分格式对Dirichlet边界条件下的二维泊松方程进行离散，近边界网格点处采用2阶精度差分格式进行离散，利用超松弛迭代进行矩阵求解。

The third-order accuracy center finite difference scheme was introduced to solve two-dimensional Poisson equations with Dirichlet boundary conditions , and the second-order accuracy finite difference scheme was applied to mesh discretization near boundaries . With the over-relaxation matrix iteration algorithm , the numerical solution was finally achieved .

基于边长比约束的离散点准确边界追踪算法

Boundary Tracing from Irregular Points Based on Ratio of Edge Length

几种三维离散元法边界的算法研究和软件设计

Several Boundaries Algorithm Research and Software Design Based on Three-dimensional Discrete Element Method

第二章：离散曲面的边界检测。

Chapter Two : Boundary Detection for Discrete Surfaces .

离散元-边界元动力耦合模型

Coupling model of distinct element-boundary element

不稳定温度场有限元分析的时间离散及散热边界的自动生成

Time discretion for the finite element analysis of the unsteady temperature field and the automatic generation of the heat releasing boundaries

雷暴云团自动识别和边界相关追踪技术研究基于边长比约束的离散点准确边界追踪算法

An Automatic Tracking and Recognition Algorithm for Thunderstorm Cloud-Cluster ( TRACER ) Boundary Tracing from Irregular Points Based on Ratio of Edge Length

通过对区内复杂岩溶介质的空间结构，模型的时间离散以及模型边界条件的研究，最后建立了符合实际情况的三维地下水流模型；

The practical model of three-dimensional ground water is established after some research on space structure of complex karst mediator , model of time-discrete and boundary condition of model .

离散局部透射边界和旁轴近似的精度分析表明，它们所以缺乏透射大角度入射波的能力乃是源于采用单一的透射方向。

Analysis on accuracies of the Extrapolation Boundary and Para axial Approximation has led to that their drawbacks in transmitting waves of large incident angles are originated from using a single transmitting direction .

讨论了边界的离散单元、边界积分方程的离散方法和边界条件的给定，同时给出了计算实例以及与实测结果的比较。

The boundary elements , boundary integral equation 's division and the boundary conditions were discussed , firstly , then a practical calculation example and the comparison of the calculated and measured heads were introduced .

介绍动谱平衡方程数学模型、方程离散要求、边界条件的处理和源项（包括能量输入、损耗及波与波之间非线性相互作用）的处理方法，重点介绍三相波非线性相互作用。

The action balance equation , its discrete demand , the method dealing boundary condition , and source terms ( the wind input , the energy dissipation and nonlinear wave-wave interactions ) are detailed discussed , and special emphasis is put on the triad wave-wave interactions .

利用边界分割控制策略离散参数域边界，利用推进波前法对参数域进行剖分，然后利用逆映射生成曲面网格，以得到高品质的有限元网格。

Boundary division and control strategy dispersed the boundaries of parameter region . Mesh was generated on parameter region by advancing front technique and on 3-D surfaces by inverse mapping . With the help of the multiple mapping and mesh control strategy , high-quality mesh can be generated efficiently .