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CAVITY21: 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'
131735 3363 64186 64186 128372
Column Data Row Data
Average nonzeros per column : 29
Standard deviation : 17

indexnonzeros
longest322 62
shortest1 1

Average nonzeros per row : 29
Standard deviation : 17

indexnonzeros
longest322 62
shortest1 1

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

Symmetric skyline storage requirement:1955408

Heaviest diagonals
offset from main0 -1 1 -3 3 -2 2 -4 4 -5
nonzeros3363 2947 2947 2946 2946 2889 2889 2600 2600 2211
accumulated percent 2.55 4.79 7.03 9.2611.5013.6915.8917.8619.8321.51

Top 10 out of 303 nonvoid diagonals.
Conditioning
Frobenius norm4.2e+02 condition number (est.)Not available.
2-norm (est.)18 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: ]