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CAVITY09: 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
1182 x 1182, 32747 entries real unsymmetric
Nonzeros
totaldiagonalbelow diagonalabove diagonalA-A'
32702 883 15560 16259 34846
Column Data Row Data
Average nonzeros per column : 28
Standard deviation : 18

indexnonzeros
longest5 62
shortest1 1

Average nonzeros per row : 28
Standard deviation : 14

indexnonzeros
longest172 62
shortest1081 6

Bandwidths Profile Storage
lower178 upper178
average |i-j|55 std.dev.56
minmaxave.std.dev.
lower bandwidth0 177 1.2e+02 39
upper bandwidth0 177 1e+02 53

Nonsymmetric skyline storage 260908

Heaviest diagonals
offset from main0 3 2 1 -3 -2 -1 4 5 -4
nonzeros883 795 774 744 722 719 717 715 632 621
accumulated percent 2.70 5.13 7.50 9.7711.9814.1816.3718.5620.4922.39

Top 10 out of 223 nonvoid diagonals.
Conditioning
Frobenius norm3.9e+02 condition number (est.)Not available.
2-norm (est.)47 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: ]