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Full Record Details
Persistent URL
http://purl.org/net/epubs/work/33724
Record Status
Checked
Record Id
33724
Title
Multilevel hybrid spectral element ordering algorithms
Contributors
J A Scott
,
I S Duff
Abstract
For frontal solvers to perform well on finite-element problems it is essential that the elements are ordered for a small wavefront. Multilevel element ordering algorithms have their origins in the profile reduction algorithm of Sloan but for large problems often give significantly smaller wavefronts. We examine a number of multilevel variants with the aim of finding the best methods to include within a new state-of-the-art frontal solver for finite-element applications that we are currently developing. Numerical experiments are performed using a range of problems arising from real applications and comparisons are made with existing element ordering algorithms.
Organisation
CCLRC
,
CSE
,
CSE-NAG
Keywords
frontal method
,
finite elements
,
element ordering
,
large sparse linear systems
Funding Information
Related Research Object(s):
39807
Licence Information:
Language
English (EN)
Type
Details
URI(s)
Local file(s)
Year
Report
RAL Technical Reports
RAL-TR-2004-018. 2004.
sRAL2004018.pdf
2004
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