Unstructured and Semi-Structured Hexahedral Mesh Generation Methods

Author (s): Sarrate, J; Ruiz-Gironés, E; and Roca, X.
Journal: Computational Technology Reviews

Volume: 10
Pages: 35 – 64
Date: 2014

Discretization techniques such the finite element method, the finite volume method or the discontinuous Galerkin method are the most used simulation techniques in applied sciences and technology. These methods rely on a spatial discretization adapted to the geometry and to the prescribed distribution of element size. Several fast and robust algorithms have been developed to generate triangular and tetrahedral meshes. In these methods local connectivity modifications are a crucial step. Nevertheless, in hexahedral meshes the connectivity modifications propagate through the mesh. In this sense, hexahedral meshes are more constrained and therefore, more difficult to generate. However, in many applications such as boundary layers in computational fluid dynamics or composite material in structural analysis hexahedral meshes are preferred. In this work we present a survey of developed methods for generating structured and unstructured hexahedral meshes.



    author={Sarrate, Josep and Ruiz-Giron\’es, Eloi and Roca, Xevi },
    title={Unstructured and Semi-Structured Hexahedral Mesh Generation Methods},
    journal={Computational Technology Reviews},
    volume = {10},
    pages = {35-64},
    year = {2014},
    publisher={Saxe-Coburg Publications},