A frontal solver for the 21st century
β Scribed by Scott, Jennifer A.
- Publisher
- John Wiley and Sons
- Year
- 2006
- Tongue
- English
- Weight
- 129 KB
- Volume
- 22
- Category
- Article
- ISSN
- 1069-8299
- DOI
- 10.1002/cnm.870
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β¦ Synopsis
In recent years there have been a number of important developments in frontal algorithms for solving the large sparse linear systems of equations that arise from ΓΏnite-element problems. We report on the design of a new fully portable and e cient frontal solver for large-scale real and complex unsymmetric linear systems from ΓΏnite-element problems that incorporates these developments. The new package o ers both a exible reverse communication interface and a simple to use all-in-one interface, which is designed to make the package more accessible to new users. Other key features include automatic element ordering using a state-of-the-art hybrid multilevel spectral algorithm, minimal main memory requirements, the use of high-level BLAS, and facilities to allow the solver to be used as part of a parallel multiple front solver. The performance of the new solver, which is written in Fortran 95, is illustrated using a range of problems from practical applications. The solver is available as package HSL MA42 ELEMENT within the HSL mathematical software library and, for element problems, supersedes the well-known MA42 package.
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