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Automated low-order to high-order mesh conversion

机译:自动从低阶到高阶网格转换

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摘要

An algorithm is presented for the CAD-free conversion of linear unstructured meshes into curved high-order meshes, which are necessary for high-order flow simulations. The algorithm operates via three steps: (1) autonomous detection of feature curves along the mesh surface, (2) reconstruction of the surface curvature from the combination of surface node positions and feature curve positions, and (3) alignment of the mesh interior to the newly curved surface. The algorithm is implemented in our freely available cross-platform graphical software program meshCurve, which transforms existing linear meshes into high-order curved meshes.
机译:提出了一种算法,用于将非结构化线性网格无CAD转换为弯曲的高阶网格,这对于高阶流模拟是必不可少的。该算法通过以下三个步骤进行操作:(1)沿网格表面自主检测特征曲线;(2)根据表面节点位置和特征曲线位置的组合重建表面曲率;(3)将网格内部对齐到新弯曲的表面。该算法在我们免费提供的跨平台图形软件程序meshCurve中实现,该程序将现有的线性网格转换为高阶曲线网格。

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