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首页> 外文会议>CEAS Aerospace Aerodynamics Research Conference >SELF-ORGANIZING HYBRID CARTESIAN GRID/SOLUTION SYSTEM WITH MULTIGRID
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SELF-ORGANIZING HYBRID CARTESIAN GRID/SOLUTION SYSTEM WITH MULTIGRID

机译：自组织混合动画网格/解决方案系统，具有多档

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摘要

An automatic adaptive hybrid Cartesian grid generation and solution system is presented together with applications for turbulent flows around complicated three-dimensional geometries. The primary computational grid is an octree Cartesian grid with a cut-cell approach. A quasi-prismatic grid may be added for resolving the boundary layer region of viscous flow around the solid body. For external flow simulations the flow solver TAU from the "Deutsches Zentrum fur Luft- und Raumfahrt" is integrated in the simulation system. Coarse grids are generated automatically, which are required for multilevel smoothing. The initial hybrid Cartesian grid is improved with help of several adaptation features, which are optimized in order to avoid any user interaction. Therefore, the final grid depends only on the particular geometry and flow structure (self organized grid).
机译：自动自适应混合动力笛卡尔电网生成和解决方案系统与湍流流动围绕复杂的三维几何形状的应用一起呈现。主要计算网格是具有切割细胞方法的八叉轮网格。可以添加准棱镜栅格来解析固体周围的粘性流的边界层区域。对于外部流量模拟“Deutsches Zentrum毛皮Luft-und Raumfahrt”的流动求解器在仿真系统中集成。自动产生粗略网格，这是多级平滑所需的。初始混合笛卡尔型网格随着若干适应特征的帮助而得到改善，这被优化以避免任何用户交互。因此，最终网格仅取决于特定的几何形状和流动结构（自组织网格）。

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