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CAVITY16: Driven Cavity Problems

from set DRIVCAV_OLD, 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
4562 x 4562, 138187 entries real unsymmetric
Nonzeros
totaldiagonalbelow diagonalabove diagonalA-A'
137887 3363 66555 67969 52806
Column Data Row Data
Average nonzeros per column : 30
Standard deviation : 17

indexnonzeros
longest5 62
shortest1 1

Average nonzeros per row : 30
Standard deviation : 15

indexnonzeros
longest323 62
shortest304 7

Bandwidths Profile Storage
lower328 upper328
average |i-j|1e+02 std.dev.1.1e+02
minmaxave.std.dev.
lower bandwidth0 327 2.3e+02 57
upper bandwidth0 327 2.1e+02 76

Nonsymmetric skyline storage 2011426

Heaviest diagonals
offset from main0 3 2 1 -2 -3 -1 4 -4 5
nonzeros3363 3179 3155 3072 3040 3027 3016 2835 2642 2456
accumulated percent 2.44 4.74 7.03 9.2611.4713.6615.8517.9019.8221.60

Top 10 out of 303 nonvoid diagonals.
Conditioning
Frobenius norm3.9e+02 condition number (est.)Not available.
2-norm (est.)13 diagonal dominanceno


Set Information

Set DRIVCAV_OLD
Source: Andrew Chapman (chapman@msi.umn.edu)
Discipline:Finite element modeling


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Last change in this page: Wed Sep 22 13:33:59 US/Eastern 2004 [Comments: ]