Abstract
Finite Element (FE) analysis is a well-established method to solve engineering problems, some of them require fine grained precision and, by consequence, huge meshes. A common bottle-neck in FE calculations is domain meshing. In this paper we discuss our implementation of a parallel-meshing tool. Firstly, we create a rough mesh with a serial procedure based on a Constrained Delaunay Triangulation; secondly, such a mesh is divided into N parts via spectral-bisection, where N is the number of available threads; and finally, the N parts are refined simultaneously by independent threads using Delaunay-refinement. Other proposals that use a thread to refine each part, need a user-defined subdivision. This approach calculates such a subdivision automatically while reducing the thread-communication overhead. Some researchers propose similar schemes using orthogonal-trees to create regular meshes in parallel, without any guaranty about element quality, while the Delaunay techniques have nice quality properties already proven [1–3]. Although this implementation uses a shared-memory scheme, it could be adapted in a distributed-memory strategy.
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© 2016 Springer International Publishing Switzerland
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Cardoso, V.E., Botello, S. (2016). Parallel Meshing for Finite Element Analysis. In: Gitler, I., Klapp, J. (eds) High Performance Computer Applications. ISUM 2015. Communications in Computer and Information Science, vol 595. Springer, Cham. https://doi.org/10.1007/978-3-319-32243-8_11
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DOI: https://doi.org/10.1007/978-3-319-32243-8_11
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