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|Title:||Automatic hexahedral mesh generation using a new grid-based method with geometry and mesh transformation|
Grid-based mesh generation
Hexahedral mesh generation
|Source:||Su, Y., Lee, K.H., Kumar, A.S. (2005-10-01). Automatic hexahedral mesh generation using a new grid-based method with geometry and mesh transformation. Computer Methods in Applied Mechanics and Engineering 194 (39-41) : 4071-4096. ScholarBank@NUS Repository. https://doi.org/10.1016/j.cma.2004.11.001|
|Abstract:||A geometry and mesh transformation approach is proposed to overcome the traditional problem of poorly shaped elements at the boundary using the grid-based method of mesh generation. This is achieved by transforming the original geometric model to a topologically similar recognition model which conforms fully to the Cartesian directions. Such a recognition model is constructed by tessellating the original model and then employing a fuzzy logic method to determine the normal directions of the faces. A three-dimensional field morphing algorithm is used to position the features of the recognition model. Such a recognition model is then meshed with hexahedral elements without any degeneracy using the new grid-based algorithm. The mesh of the recognition model is mapped back to the original geometric model by employing a transformation based on the Laplacian-isoparametric equation. © 2004 Elsevier B.V. All rights reserved.|
|Source Title:||Computer Methods in Applied Mechanics and Engineering|
|Appears in Collections:||Staff Publications|
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