将多重网格法运用于非结构网格。
数值模型使用了非结构网格以适应复杂的计算区域。
The numerical model is used the unstructured mesh to meet the complicated flow domain.
用变分原理在不规则结构网格上建立热流通量形式的差分格式。
Using the variational principle, the difference scheme with thermal-flux form in the irregular structured mesh is presented.
描述了一套适合粘性流动计算的三维非结构网格自动生成方法。
A method for generating three-dimensional unstructured viscous grids automatically is presented.
高精度高分辨的无结构网格有限体积法是一种守恒型的高性能算法。
The high order and high resolution finite volume method is a conservative high-performance algorithm scheme on unstructured grids.
在第②步中，采用旋转坐标轴的方法来计算非结构网格单元各边的通量。
In the gas evolution step, with the axis rotation, the flux through each side of the triangular element is obtained.
提出了基于弹簧法的两点改进，以解决边界发生大变形时的非结构网格变形问题。
The article presents two improvements on the spring analogy for unstructured mesh deformation in engineering applications in which large boundary motions are encountered.
并在此基础上采用一定的加密、正交化方法，生成了三维反向喷流流场分区对接结构网格。
Using the program to generate 3-D multi-block abutting structured grid of reverse jet flow field with the controlling of concentration and orthogonalization.
介绍了本文求解二维浅水波方程组所采用的高精度高分辨的无结构网格有限体积数值模型。
To solve the 2-d shallow water equations, the numerical model which adopted the high order and high resolution finite volume method on unstructured grids was introduced.
采用推进阵面法生成三角形非结构网格，用多重网格技术求解泊桑方程以取得结构背景网格。
Computational unstructured grid is generated by advancing front method, and the structured background gird is obtained by using multigrid technique to solve the Poisson equation.
在桥墩处理上，改变传统的用网格贴合挡水物的方法，直接将桥墩作为陆地边界生成无结构网格。
The piers are processed as land boundary directly, comparing to the method that mesh is used to fit impediment.
介绍了有限体积数值方法，该方法适用于在任意非结构网格上求解线性和非线性的航空声学问题。
The paper presents a finite volume numerical method universally applicable for solving both linear and nonlinear aeroacoustics problems on arbitrary unstructured meshes.
将递归谱对剖分方法应用于流体力学并行计算中的非结构网格分割，以解决负载平衡和最小切割问题。
A recursive spectral bisection method is applied to partition non-structured triangular meshes in parallel CFD for the treatment of load balance and minimum cut graph bisection.
以二维多段翼型为对象分别讨论了分区重叠结构网格方法、非结构网格方法和自适应的笛卡尔网格法。
The overlapping grid method, unstructured grid method and adaptive Caresian grid method are discussed for a two dimensional multielement airfoil.
本文研究了用阵面推进法生成二维非结构网格以及有限体积TVD格式在求解复杂弹箭流场中的应用。
In this thesis, the advancing-front method and the finite volume method with TVD schemes are studied.
非结构网格在处理复杂边界的优越性以及相对于结构网格更容易生成而受到科学工作者越来越多的重视。
Much more recent research works focus on unstructured grids for its simplicity in dealing with complex boundary conditions and more easily being constructed compared with structured grids.
本文研究了用阵面推进法生成二维非结构网格以及有限体积TVD格式+在求解复杂弹箭流场中的应用。
In this thesis, the advancing-front method and the finite volume method with TVD schemes are studied.
根据惠更斯波传播原理，构建了一种在通用CFD软件的非结构网格系统上直接计算燃面推进的数值方法。
Based on Huygens principle of wave propagation, a numerical simulation method on CFD software unstructured mesh was founded so as to calculate burning surface regression directly.
采用块结构网格与二阶精度流场分区求解技术，对固体火箭冲压发动机增程弹丸超声速进气道特性进行了深入研究。
By means of block structure grid and second-order zonal solver method, the research on supersonic inlet performance of solid rocket ramjet assisted range projectiles was carried out.
提出两种非结构化网格生成方法，一种是由结构网格转化为非结构网格，结构化网格的生成是用椭圆型偏微方程法。
One method was unstructured grid transformed from structured grid, which was created by numerically solving the elliptic partial differential equation.
特别对于聚合式非结构多重网格法，本文设计了一种新的非结构网格的聚合方法，使得聚合成的粗网格具有很好的质量。
Especially for the agglomeration multigrid algorithm, a new robust method to generate coarse grids has been developed, by which we can generate coarse meshes with good quality.
数值结果表明，尽管采用的非结构网格非常稀疏，但通过采用真实曲线物面边界和高阶的基函数仍可得到高精度的数值解。
Numerical results indicate that highly accurate solutions can be obtained using high-order DG and real solid boundary conditions even on very coarse grids.
另一种是对商用软件GAMBIT进行二次开发，即利用此软件的非结构网格数据库，让它作接口进行网格再生成和数值计算。
The other was the secondary development with commercial software GAMBIT, namely we used the database of GAMBIT efficiently to regenerate unstructured mesh.
在非结构网格上对二维高超声速化学非平衡粘性绕流进行了数值模拟，并应用此方法对涵道构型高超声速减阻特性进行了数值分析。
Numerical methods for hypersonic flow with chemical non-equilibrium reactions on the unstructured grid are used to analyze the drag induction of channel-configurations.
在非结构网格上对二维高超声速化学非平衡粘性绕流进行了数值模拟 ，并应用此方法对涵道构型高超声速减阻特性进行了数值分析。
Numerical methods for hypersonic flow with chemical non-equilibrium reactions on the unstructured grid are used to analyze the drag induction of channel-configurations.
以边的检测作为STL文件错误检测的基础，建立了导入STL文件、无结构网格、流行网格、错误检测、错误修复、更新错误信息等基本修复步骤。
Proposed a basic fill process, step-by-step ordered by importing STL, unstructured mesh, popular mesh, errors detection, errors filling, update errors information.
在对原模型进行结构网格划分后，通过数值模拟，分析了不同设计方案下叶轮内的压力、湍动能、速度分布，并预测了外特性，选取一个最优方案进行试验。
The distributions of pressure, turbulence kinetic energy, velocity in three impellers were predicted with the commercial CFX. One impeller was selected as optimal schemes and produced for experiments.
网格赋予它组织和结构。
以八叉剖分来建立一棵顶点树，用以表示整个网格模型的数据结构。
A vertex tree is built to represent the data structure of the models by octonary subdivision.
以八叉剖分来建立一棵顶点树，用以表示整个网格模型的数据结构。
A vertex tree is built to represent the data structure of the models by octonary subdivision.
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