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CAVITY04: 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
3D Interactive City Plot

[ VRML Version 2, gzipped ] 199004 bytes


Matrix Statistics

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Size Type
317 x 317, 7327 entries real unsymmetric
Nonzeros
totaldiagonalbelow diagonalabove diagonalA-A'
5923 243 2840 2840 5680
Column Data Row Data
Average nonzeros per column : 19
Standard deviation : 16

indexnonzeros
longest97 62
shortest1 1

Average nonzeros per row : 19
Standard deviation : 16

indexnonzeros
longest97 62
shortest1 1

Bandwidths Profile Storage
lower103 upper103
average |i-j|32 std.dev.30
minmaxave.std.dev.
lower bandwidth0 102 49 36
upper bandwidth0 102 49 36

Symmetric skyline storage requirement:30863

Heaviest diagonals
offset from main0 -1 1 -3 3 -2 2 -4 4 -6
nonzeros243 144 144 141 141 130 130 125 125 103
accumulated percent 4.10 6.53 8.9711.3513.7315.9218.1220.2322.3424.08

Top 10 out of 183 nonvoid diagonals.
Conditioning
Frobenius norm3.5e+02 condition number (est.)1.4e+07
2-norm (est.)71 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: ]