Geodesic
Generation of adaptive hexahedral meshes from surface and voxel geometric models
Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹûternye nauki, Tome 33 (2023) no. 3, pp. 534-547

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We present a modification of the developed hexahedral mesh generator from voxel data which allows constructing adaptive computational meshes. Construction of the refinement field is based on geometry features of the described model when it has a large thickness difference in dimensions or small and thin areas. A universal criterion for cells refinement is proposed which gives the possibility of its use in the case of volumetric (voxel) and surface (STL) representations of the model geometry. The refinement templates that provide conformal mesh closure are described. The results of the algorithm performance are given.
Keywords: hexahedral mesh generator, mesh refinement, CAD model, STL-geometry.
Mots-clés : volume data 
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     author = {A. S. Karavaev and S. P. Kopysov},
     title = {Generation of adaptive hexahedral meshes from surface and voxel geometric models},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {534--547},
     publisher = {mathdoc},
     volume = {33},
     number = {3},
     year = {2023},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2023_33_3_a9/}
}
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A. S. Karavaev; S. P. Kopysov. Generation of adaptive hexahedral meshes from surface and voxel geometric models. Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹûternye nauki, Tome 33 (2023) no. 3, pp. 534-547. http://geodesic.mathdoc.fr/item/VUU_2023_33_3_a9/