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SYSTEM AND METHOD FOR ELEMENT QUALITY IMPROVEMENT IN 3D QUADRILATERAL-DOMINANT SURFACE MESHES
SYSTEM AND METHOD FOR ELEMENT QUALITY IMPROVEMENT IN 3D QUADRILATERAL-DOMINANT SURFACE MESHES
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机译:3D四边形占状网状网格元素质量改进的系统和方法
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摘要
A system and method is provided for element quality improvement in three-dimensional (3D) quadrilateral-dominant surface meshes. The system may include a processor configured to collapse a first plurality of edges of a plurality of quadrilateral elements that form a surface mesh of a 3D model, which edges have lengths that are shorter than a predetermined fraction of a minimum element edge length (MEL). Further, the processor may also move nodes connected to at least some of a second plurality of edges of the plurality of quadrilateral elements so as to have lengths that are at least the MEL. Also, the processor may adjust included angles and the warp of elements to be within predetermined limits. Further, the processor may collapse in the mesh all remaining edges of the plurality of quadrilateral elements that are shorter than the MEL to produce a modified surface mesh in which all quadrilaterals in the modified mesh have edge lengths that are at least the MEL.
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