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CAVITY15: 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'
71601 1923 34839 34839 69678
Column Data Row Data
Average nonzeros per column : 28
Standard deviation : 17

indexnonzeros
longest247 62
shortest1 1

Average nonzeros per row : 28
Standard deviation : 17

indexnonzeros
longest247 62
shortest1 1

Bandwidths Profile Storage
lower253 upper253
average |i-j|81 std.dev.84
minmaxave.std.dev.
lower bandwidth0 252 1.6e+02 65
upper bandwidth0 252 1.6e+02 65

Symmetric skyline storage requirement:827143

Heaviest diagonals
offset from main0 -1 1 -3 3 -2 2 -4 4 -5
nonzeros1923 1612 1612 1611 1611 1570 1570 1422 1422 1210
accumulated percent 2.69 4.94 7.19 9.4411.6913.8816.0718.0620.0521.74

Top 10 out of 263 nonvoid diagonals.
Conditioning
Frobenius norm4.8e+02 condition number (est.)Not available.
2-norm (est.)39 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: ]