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Mesh quality improvement in computer aided engineering

机译:计算机辅助工程中网格质量的改善

摘要

A method, for use in meshing a CAD domain in a computer-aided design (CAD) or computer-aided engineering (CAE) system, comprises carrying out a procedure comprising: obtaining a set of mesh elements by extracting, from a previously-generated mesh of the CAD domain which has undergone a mesh element optimization process in respect of interior elements of the previously-generated mesh, mesh elements which do not satisfy a preselected mesh quality metric; decomposing the set of mesh elements into connected sub-meshes; carrying out a serial mesh element optimization process in respect of each sub-mesh independently and in parallel, under the condition that boundary nodes of sub-meshes are not moved, to obtain optimized sub-meshes; and obtaining an optimized mesh of the CAD domain by integrating the optimized sub-meshes into the previously-generated mesh.
机译:一种用于在计算机辅助设计(CAD)或计算机辅助工程(CAE)系统中对CAD域进行网格化的方法,该方法包括执行以下步骤:从先前生成的网格中提取一组网格元素已经针对先前生成的网格的内部元素进行了网格元素优化处理的CAD域的网格,这些网格元素不满足预选的网格质量度量;将一组网格元素分解为相连的子网格;在不移动子网格的边界节点的条件下,针对每个子网格独立且并行地进行串行网格元素优化过程,以获得优化的子网格;通过将优化的子网格集成到先前生成的网格中,获得CAD域的优化网格。

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