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The generation of arbitrary order curved meshes for 3D finite element analysis

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Abstract

A procedure for generating curved meshes, suitable for high-order finite element analysis, is described. The strategy adopted is based upon curving a generated initial mesh with planar edges and faces by using a linear elasticity analogy. The analogy employs boundary loads that ensure that nodes representing curved boundaries lie on the true surface. Several examples, in both two and three dimensions, illustrate the performance of the proposed approach, with the quality of the generated meshes being analysed in terms of a distortion measure. The examples chosen involve geometries of particular interest to the computational fluid dynamics community, including anisotropic meshes for complex three dimensional configurations.

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Authors and Affiliations

  1. Civil and Computational Engineering Centre, College of Engineering, Swansea University, Swansea, Wales, SA2 8PP, UK

    Zhong Q. Xie, Ruben Sevilla, Oubay Hassan & Kenneth Morgan

Authors
  1. Zhong Q. Xie
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  2. Ruben Sevilla
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  3. Oubay Hassan
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  4. Kenneth Morgan
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Correspondence to Ruben Sevilla.

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Xie, Z.Q., Sevilla, R., Hassan, O. et al. The generation of arbitrary order curved meshes for 3D finite element analysis. Comput Mech 51, 361–374 (2013). https://doi.org/10.1007/s00466-012-0736-4

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  • DOI: https://doi.org/10.1007/s00466-012-0736-4

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