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E20R5000: Driven cavity
driven cavity, 20x20 elements, Re=5000

from set DRIVCAV, from the SPARSKIT Collection

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Visualizations

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Structure Plot City Plot
structure plot city plot


Matrix Statistics

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Size Type
4241 x 4241, 131556 entries real unsymmetric
Nonzeros
totaldiagonalbelow diagonalabove diagonalA-A'
131430 3042 64194 64194 88162
Column Data Row Data
Average nonzeros per column : 31
Standard deviation : 15

indexnonzeros
longest233 62
shortest9 8

Average nonzeros per row : 31
Standard deviation : 15

indexnonzeros
longest233 62
shortest9 8

Bandwidths Profile Storage
lower232 upper232
average |i-j|99 std.dev.1e+02
minmaxave.std.dev.
lower bandwidth0 231 2.1e+02 47
upper bandwidth0 231 2.1e+02 47

Symmetric skyline storage requirement:1806153

Heaviest diagonals
offset from main-2 -1 0 1 2 -3 3 -4 4 -5
nonzeros3042 3042 3042 3042 3042 3041 3041 3019 3019 3001
accumulated percent 2.31 4.63 6.94 9.2611.5713.8916.2018.5020.7923.08

Top 10 out of 239 nonvoid diagonals.
Conditioning
Frobenius norm2.4e+03 condition number (est.)4.44e+10
2-norm (est.)1.6e+02 diagonal dominanceno


Set Information

Set DRIVCAV
Source: Andrew Chapman, University of Minnesota, chapman@msi.umn.edu
Discipline:Fluid dynamics
Accession:August 1996


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Last change in this page: Wed Sep 22 13:33:57 US/Eastern 2004 [Comments: ]