Diamond-kite adaptive quadrilateral meshing
نویسندگان
چکیده
منابع مشابه
Diamond-Kite Meshes: Adaptive Quadrilateral Meshing and Orthogonal Circle Packing
We describe a family of quadrilateral meshes based on diamonds, rhombi with 60◦ and 120◦ angles, and kites with 60◦, 90◦, and 120◦ angles, that can be adapted to a local size function by local subdivision operations. The vertices of our meshes form the centers of the circles in a pair of dual circle packings in which each tangency between two circles is crossed orthogonally by a tangency betwee...
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This paper describes an algorithm to extract adaptive and quality quadrilateral/hexahedral meshes directly from volumetric data. First, a bottom-up surface topology preserving octree-based algorithm is applied to select a starting octree level. Then the dual contouring method is used to extract a preliminary uniform quad/hex mesh, which is decomposed into finer quads/hexes adaptively without in...
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We use circle-packing methods to generate quadrilateral meshes for polygonal domains, with guaranteed bounds both on the quality and the number of elements. We show that these methods can generate meshes of several types: (1) the elements form the cells of a Voronoı̈ diagram, (2) all elements have two opposite 90 angles, (3) all elements are kites, or (4) all angles are at most 120. In each case...
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We prove 13 necessary and sufficient conditions for a tangential quadrilateral to be a kite.
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ژورنال
عنوان ژورنال: Engineering with Computers
سال: 2013
ISSN: 0177-0667,1435-5663
DOI: 10.1007/s00366-013-0327-9