NDLI: Parallel implementation of the discontinuous galerkin method

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Parallel implementation of the discontinuous galerkin method

Content Provider	NASA Technical Reports Server (NTRS)
Author	Atkins, Harold Baggag, Abdalkader Keyes, David
Copyright Year	1999
Description	This paper describes a parallel implementation of the discontinuous Galerkin method. Discontinuous Galerkin is a spatially compact method that retains its accuracy and robustness on non-smooth unstructured grids and is well suited for time dependent simulations. Several parallelization approaches are studied and evaluated. The most natural and symmetric of the approaches has been implemented in all object-oriented code used to simulate aeroacoustic scattering. The parallel implementation is MPI-based and has been tested on various parallel platforms such as the SGI Origin, IBM SP2, and clusters of SGI and Sun workstations. The scalability results presented for the SGI Origin show slightly superlinear speedup on a fixed-size problem due to cache effects.
File Size	614725
Page Count	12
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19990100667
Archival Resource Key	ark:/13960/t1bk69m1k
Language	English
Publisher Date	1999-08-01
Access Restriction	Open
Subject Keyword	Computer Programming And Software Time Dependence Robustness Mathematics Simulation Unstructured Grids Mathematics Scattering Euler Equations of Motion Galerkin Method Object-oriented Programming Aeroacoustics Linearization Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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