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Kim, Ju-Young
Robust Multifunctional Materials Lab
Research Interests
  • Flexible / stretchable devices, nano-mechanics, nanoporous metal, materials reliability

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Grain Boundary Conformed Volumetric Mesh Generation from a Three-Dimensional Voxellated Polycrystalline Microstructure

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dc.contributor.author Lee, Myeong-Jin ko
dc.contributor.author Jeon, Young-Ju ko
dc.contributor.author Son, Ga-Eun ko
dc.contributor.author Sung, Suhwa ko
dc.contributor.author Kim, Ju-Young ko
dc.contributor.author Han, Heung Nam ko
dc.contributor.author Cho, Soo Gyeong ko
dc.contributor.author Jung, Sang-Hyun ko
dc.contributor.author Lee, Sukbin ko
dc.date.available 2018-05-04T00:49:31Z -
dc.date.created 2018-05-03 ko
dc.date.issued 2018-07 ko
dc.identifier.citation METALS AND MATERIALS INTERNATIONAL, v.24, no.4, pp.845 - 859 ko
dc.identifier.issn 1598-9623 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/24032 -
dc.description.abstract We present a new comprehensive scheme for generating grain boundary conformed, volumetric mesh elements from a three-dimensional voxellated polycrystalline microstructure. From the voxellated image of a polycrystalline microstructure obtained from the Monte Carlo Potts model in the context of isotropic normal grain growth simulation, its grain boundary network is approximated as a curvature-maintained conformal triangular surface mesh using a set of in-house codes. In order to improve the surface mesh quality and to adjust mesh resolution, various re-meshing techniques in a commercial software are applied to the approximated grain boundary mesh. It is found that the aspect ratio, the minimum angle and the Jacobian value of the re-meshed surface triangular mesh are successfully improved. Using such an enhanced surface mesh, conformal volumetric tetrahedral elements of the polycrystalline microstructure are created using a commercial software, again. The resultant mesh seamlessly retains the short- and long-range curvature of grain boundaries and junctions as well as the realistic morphology of the grains inside the polycrystal. It is noted that the proposed scheme is the first to successfully generate three-dimensional mesh elements for polycrystals with high enough quality to be used for the microstructure-based finite element analysis, while the realistic characteristics of grain boundaries and grains are maintained from the corresponding voxellated microstructure image. ko
dc.language 영어 ko
dc.publisher KOREAN INST METALS MATERIALS ko
dc.title Grain Boundary Conformed Volumetric Mesh Generation from a Three-Dimensional Voxellated Polycrystalline Microstructure ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-85063806825 ko
dc.identifier.wosid 000435016700019 ko
dc.type.rims ART ko
dc.identifier.doi 10.1007/s12540-018-0083-x ko
dc.identifier.url https://link.springer.com/article/10.1007%2Fs12540-018-0083-x ko
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