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非结构化网格     
相关语句
  unstructured grid
     One method was unstructured grid transformed from structured grid, which was created by numerically solving the elliptic partial differential equation.
     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。
短句来源
     The Study on Generation Techniques of Unstructured Grid and Application in SIMPLE Algorithm
     非结构化网格生成技术及在SIMPLE算法中的应用研究
短句来源
     The polar coordinate is used in structured grid and Cartesian coordinate in unstructured grid.
     同时采用结构化网格和非结构化网格进行数值计算 ,其中结构化网格采用极坐标 ,而非结构化网格采用笛卡尔直角坐标。
短句来源
     Unstructured Grid Method and Its Differential Schemes for NSEquations
     NS方程的非结构化网格方法及其差分格式
短句来源
     Numerical Study on Flow Characteristics around Airfoils with Unstructured Grid Method
     利用非结构化网格方法对翼型绕流的数值研究
短句来源
更多       
  unstructured grids
     Besides experiment, the numerical simulation of the interior flow field iscarried out, which is filled with unstructured grids, the control equations arediscreted with finite volume method and velocity-pressure is solved couplingwith SIMPLEC method, no-slip and no-penetration condition for solidboundary, no-slip condition for wall-liquid boundary, zero-shear condition forfree liquid surface, in the end abundant conclusions are obtained.
     进行试验之外,本文还以粘性泵的内部流场为数值计算对象,对其划分非结构化网格,采用有限体积法对控制方程进行离散以及 SIMPLEC 方法对速度压力进行耦合求解,固体壁面采用无滑移无渗透边界条件,固液交界面采用无滑移边界条件,自由液面采用零剪切边界条件,对整个内部流场进行了数值模拟计算,得到了比较丰富的内部流动特性。
短句来源
     The Calculation of Heat Transfer in Duct Flow by Unstructured Grids
     非结构化网格中圆管流动的传热计算
短句来源
     The solutions are obtained by using structured grids and unstructured grids that include three kinds of meshes(triangular,quadrilateral and hybrid). Some results are compared with the exact solutions.
     在验证求解方法的算例中,结构化和非结构化网格同时采用,并且提供了3种非结构化网格(三角形网格、四边形网格和混合网格)的计算结果,同时用精确解与得到的数值解相比较.
短句来源
     In the simulation the unstructured grids,the standard k-ε turbulence model and pressure boundary conditions are used.
     该模拟在计算区域采用非结构化网格,选用标准的k-ε湍流模型和压力边界条件。
短句来源
     1. The advancing-front method is used to generate two-dimensional unstructured grids of high quality.
     1.用阵面推进法生成高质量的非结构化网格
短句来源
更多       
  unstructured meshes
     In the numerical procedure,the unstructured meshes are generated in multiply connected domains by Delaunay Triangularization Method,the governing equations are discretized by the SIMPLE Algorithm,and the sparse matrices are solved by a parallel GMRES Algorithm based on a PC network with MPI.
     其中,采用Delaunay三角化方法在多连通区域内生成非结构化网格,并采用SIMPLE算法离散流动问题的控制微分方程,由此形成的线性代数方程组中的稀疏矩阵则通过并行化的GMRES算法在PC机群上进行多机并行求解,且并行编程环境为基于PC网络分布式内存模式的MPI。
短句来源
     Use the triangular unstructured meshes to fill the groove, and increase more meshes in the near wall region, there is one mesh at the position of y~+ =1 at least.
     三角形的非结构化网格,满足了特殊脊状结构的网格划分,并在近壁区将网格加密,使得当y~+=1时最少有一个网格节点存在。
短句来源
     Numerical simulation was conducted to investigate heat transfer in rectangular channel with both rib-roughened wall and film hole suctions at Reynolds number 60000,rotation number 0.11,suction ratio of 0.22.A finite volume method with unstructured meshes was used to solve the three dimensions compressible Navier-Stokes equations.
     采用非结构化网格和SST紊流模型,求解三维N-S方程,对带90°肋和气膜孔的矩形通道在入口雷诺数60000,罗斯贝数0.11,气膜孔总出流比为0.22时的三维流场进行了数值模拟。
短句来源
     The transformation of structured meshes to unstructured meshes is a branch of mesh generation technology.
     结构化网格转换成非结构化网格是网格生成技术的一个分支.
短句来源
     By properly choosing temporal and spatial difference format, correctly dealing with source term and boundary conditions, control equations are discretized over unstructured meshes.
     通过对时间和空间差分格式的选取、源项及边界条件的处理,在非结构化网格上对流场控制方程进行了离散。
短句来源
更多       
  non-structured mesh
     Both physical and mathematical models are presented for predicting the running resistance of the amphibious caterpillar vehicle. By using the non-structured mesh, k-ε turbulent model and finite volume method to calculate the flow field and pressure fielf, the prediction is done to the running resistance under given conditons. Visual analysis is also done to the flow field.
     本文建立了预报两栖车辆水上行驶阻力的物理模型和数学模型,运用非结构化网格、两方程k-ε湍流模型及有限容积法求解其速度场和压力场,预测了给定工况下的车辆航驶阻力,并进行了流场的可视化分析。
短句来源
     This paper considers the ambient air ambient air flow field of the submissile which is flying in high speed as the research subject. Through two dimensional modeling and non-structured mesh gene ration and adopting Spalart-Allmaras turbulent model for dispersed resolution ,the temperature,pressure,velocity distributing of the air flow field around the submissileare studied by analyzing and simulating. Meanwhile,through compare of the simulation and actual condition,reliability of the simulation and feasibilit y of the Spalart-Allmaras model are assured.
     这里以高速飞行子弹周围空气流场为研究对象,通过二维建模和非结构化网格划分,采用Spalart-Allmaras湍流模型进行离散求解,考察了子弹周围空气场的温度、压力、速度分布及子弹壁面的受力情况,并对其进行数值分析与仿真,同时根据仿真与实际情况的比较,肯定了仿真的可靠性和Spalart-Allmaras模型的可行性,为子弹的优化设计提供了理论参考。
短句来源

 

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  unstructured grid
In order to interpret the experimental results a numerical simulation using a shock adaptive unstructured grid Eulerian solver was also carried out.
      
The starting process of the flow in a wedge-like expansion nozzle of a shock tunnel is simulated by an unsplit 2-D GRP scheme on an unstructured grid.
      
The numerical results obtained using a locally-adaptive unstructured grid technique agree well with the theoretical predictions of the converging shock wave intensity.
      
The scheme is then considered in a triangular unstructured grid environment with a dual grid of node-centered control volumes.
      
We discuss the details of the implementation of the refinement indicator into the DLR--Code which is based on a finite volume method of box type on an unstructured grid and present numerical results.
      
更多          
  unstructured grids
Good agreement between the results of calculations on structured and unstructured grids is demonstrated.
      
Near-wall modelling in computations of turbulent flows on unstructured grids
      
The questions related to the formulation and numerical realization of boundary conditions on a wall at the computation of turbulent flows on unstructured grids are considered.
      
The flow solver implemented solves the Reynolds-averaged Navier-Stokes equations (RANSE) on unstructured grids, using near-wall, low-Reynolds-number turbulence models.
      
However, test filtering is costly to perform in LES of complex geometry flows, especially on unstructured grids.
      
更多          
  unstructured meshes
Finite-volume algorithm for solving the time-dependent Maxwell equations on unstructured meshes
      
Unstructured meshes with adaptive refinements were employed here.
      
Parallel multilevel data structures for a nonconforming finite element problem on unstructured meshes
      
A simple, efficient and accurate high resolution method to tracking movinginterfaces-the characteristic integral-averaging finite volume method on unstructured meshes is proposed.
      
Numerical schemes for Hamilton-Jacobi equations on unstructured meshes
      
更多          
  non-structured mesh
We solved the equations thanks to an accurate finite volumes solver scheme, using a non-structured mesh.
      
Because of the special geometrical requirements, a non-structured mesh is created containing of tetrahedral elements.
      
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