A new isosurface extraction method on arbitrary grids
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AuthorLópez Rodríguez, Joaquín; Esteban, Adolfo; Hernández, Julio; Gómez, Pablo; Zamora Pedreño, Rosendo; [et al.]
Knowledge AreaCiencia de los Materiales e Ingeniería Metalúrgica
SponsorsThe authors gratefully acknowledge the support of the Spanish Ministerio de Ciencia, Innovación y Universidades - Agencia Estatal de Investigación and FEDER through projects DPI2017-87826-C2-1-P and DPI2017-87826-C2-2-P.
Realizado en/conUniversidad Politécnica de Cartagena; Universidad Nacional de Educación a Distancia
Bibliographic CitationJoaquín López, Adolfo Esteban, Julio Hernández, Pablo Gómez, Rosendo Zamora, Claudio Zanzi, Félix Faura, A new isosurface extraction method on arbitrary grids, Journal of Computational Physics, Volume 444, 2021, 110579, ISSN 0021-9991, https://doi.org/10.1016/j.jcp.2021.110579.
KeywordsVolume of fluid method
Unstructured irregular grids
The development of interface-capturing methods (such as level-set, phase-field or volume of fluid (VOF) methods) for arbitrary 3D grids has further highlighted the need for more accurate and efficient interface reconstruction procedures. In this work, we propose a new method for the extraction of isosurfaces on arbitrary polyhedra that can be used with advantage for this purpose. The isosurface is extracted from volume fractions by a general polygon tracing procedure, which is valid for convex or non-convex geometries, even with non-planar faces. The proposed method, which can be considered as an extension of the marching cubes technique, produces consistent results even for ambiguous situations in polyhedra of arbitrary shape. To show the reproducibility of the results presented in this work, we provide the open source library isoap, which has been developed to implement the proposed method and includes test programs to demonstrate the successful extraction of isosurfaces on several ...
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