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Refinements specify criteria that control the accuracy and types of polygons (facets) generated in faceting. Refinements also control how triangulation is performed and whether smoothing is used to improve the aspect ratios of triangles. See also
faceting.
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A refinement attached to a face applies only to that face. A refinement attached to a shell, a lump, or a body may apply to the contained faces. Based on the surface type of a face, the refinement is first searched from the face, then the shell, then the lump, then the body, then finally from the faceting defaults. Available refinements include:
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Surface tolerance
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Normal tolerance
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Grid aspect ratio
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Maximum edge length
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Maximum grid lines
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Grid mode
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Triangulation mode
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Adjust mode
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Surface type
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After faceting has determined the applicable refinement for a face, shell, lump, or body during the search, the application is allowed to change the refinement for a face through a method (member function) of the mesh manager.
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See also
faceting.
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