标题: 好心人帮忙用中文或图形解释下面一段COSMOS的帮助吧！ [打印本页] 作者: whitecat 时间: 2006-5-18 13:15 标题: 好心人帮忙用中文或图形解释下面一段COSMOS的帮助吧！ Small solid features refinement criterion. Any surface can be considered as a set of triangles. Within each cell at the boundary between substances (partial cell for the solid/fluid boundary) COSMOSFloWorks finds the maximum angle between normals to the triangles, which compose the solid surface. The small solid features refinement acts on the cells where the maximum angle between normals to the surface-forming triangles is strictly greater than 120°. Such criterion allows you to focus on the small features only avoiding unnecessary refinement in the entire computational domain.
Curvature refinement criterion. The curvature refinement criterion denotes a critical angle so that in each cell the critical angle is compared with the maximum angle (a) between normals (n1, n2, n3) dropped to the triangles that make up the surface within the cell. If a exceeds the critical angle, the cell is split in accordance with the Curvature refinement level. Here, the smaller the criterion, the smaller the critical angle and thus the better resolution of the solid curvature.作者: bingchen9803 时间: 2006-5-20 04:59
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