Skeleton-driven Adaptive Hexahedral Meshing of Tubular Shapes

We propose a novel method for the automatic generation of structured hexahedral meshes of articulated 3D shapes. We recast the complex problem of generating the connectivity of a hexahedral mesh of a general shape into the simpler problem of generating the connectivity of a tubular structure derived...

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Vydáno v:Computer graphics forum Ročník 35; číslo 7; s. 237 - 246
Hlavní autoři: Livesu, Marco, Muntoni, Alessandro, Puppo, Enrico, Scateni, Riccardo
Médium: Journal Article
Jazyk:angličtina
Vydáno: Oxford Blackwell Publishing Ltd 01.10.2016
Témata:
Analysis
Categories and Subject Descriptors (according to ACM CCS)
Computer animation
Computer graphics
Finite element method
I.3.5 [Computer Graphics]: Computational Geometry and Object Modeling-Physically based modeling
Image processing systems
Mathematical analysis
Mesh generation
Meshing
Studies
Subdivisions
Topological manifolds
Topology
Tubes
ISSN:0167-7055, 1467-8659
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Shrnutí:We propose a novel method for the automatic generation of structured hexahedral meshes of articulated 3D shapes. We recast the complex problem of generating the connectivity of a hexahedral mesh of a general shape into the simpler problem of generating the connectivity of a tubular structure derived from its curve‐skeleton. We also provide volumetric subdivision schemes to nicely adapt the topology of the mesh to the local thickness of tubes, while regularizing per‐element size. Our method is fast, one‐click, easy to reproduce, and it generates structured meshes that better align to the branching structure of the input shape if compared to previous methods for hexa mesh generation.
Bibliografie:ark:/67375/WNG-JZ9MLF15-X
ArticleID:CGF13021
istex:F6BD8F8F94798C7A0763866E6B818FC3E3C5F883
SourceType-Scholarly Journals-1
ObjectType-Feature-1
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ObjectType-Article-1
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ISSN:0167-7055
1467-8659
DOI:10.1111/cgf.13021