A Paradigm for Parallel Unstructured Grid Generation (original) (raw)

Abstract

In this paper, a sequential 2D unstructured grid generator based on iterative point insertion and local reconnection is coupled with a Delauney tessellation domain decomposition scheme to create a scalable parallel unstructured grid generator . The Message Passing In- terface (MPI) is used for distributed communication in the parallel grid generator . This work attempts to provide a generic framework to enable the parallelization of fast sequen - tial unstructured grid generators in order to compute grand-challenge scale grids for Com- putational Field Simulation (CFS). Motivation for moving from sequential to scalable par - allel grid generation is presented. Delaunay tessellation and iterative point insertion and local reconnection (advancing front method only) unstructured grid generation techniques are discussed with emphasis on how these techniques can be utilized for parallel unstruc - tured grid generation. Domain decomposition techniques are discussed for both Delauney and a...

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