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CAVITY12: 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
2597 x 2597, 76367 entries real unsymmetric
Nonzeros
totaldiagonalbelow diagonalabove diagonalA-A'
76258 1923 36643 37692 78992
Column Data Row Data
Average nonzeros per column : 29
Standard deviation : 17

indexnonzeros
longest5 62
shortest1 1

Average nonzeros per row : 29
Standard deviation : 15

indexnonzeros
longest247 62
shortest20 8

Bandwidths Profile Storage
lower253 upper253
average |i-j|80 std.dev.83
minmaxave.std.dev.
lower bandwidth0 252 1.7e+02 49
upper bandwidth0 252 1.6e+02 66

Nonsymmetric skyline storage 859243

Heaviest diagonals
offset from main0 3 2 1 -3 -2 -1 4 -4 5
nonzeros1923 1792 1766 1710 1682 1681 1668 1593 1454 1400
accumulated percent 2.52 4.87 7.19 9.4311.6413.8416.0318.1220.0221.86

Top 10 out of 263 nonvoid diagonals.
Conditioning
Frobenius norm3.2e+02 condition number (est.)Not available.
2-norm (est.)19 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: ]