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- W2736266475 abstract "Abstract We introduce a simple and practical technique to untangle and improve hexahedral (hex-) meshes. We achieve that by enabling the deformation of the boundary surfaces during the untangling process, which provides more space to reach a valid solution. To improve the element quality, an angle-based optimization strategy is proposed, which has much simpler formulation than the existing methods. The deformed volume after optimization is then pulled back to the original one using an inversion-free deformation. In contrast to the current methods, we perform the untangling and quality improvement within a few local regions surrounding elements with undesired quality, which can effectively improve the minimum scaled Jacobian (MSJ) quality of the mesh over the state-of-the-art method. We demonstrate the effectiveness of our methods by applying it to hex-meshes generated by a range of methods." @default.
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- W2736266475 date "2018-02-01" @default.
- W2736266475 modified "2023-10-04" @default.
- W2736266475 title "Hexahedral mesh quality improvement via edge-angle optimization" @default.
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- W2736266475 doi "https://doi.org/10.1016/j.cag.2017.07.002" @default.
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