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SHERMAN5: Oil reservoir simulation challenge matrices
Fully implicit black oil model (NX = 16, NY = 23, NZ = 3, NC = 3 )

from set SHERMAN, from the Harwell-Boeing 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 ] 585184 bytes


Matrix Statistics

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Size Type
3312 x 3312, 20793 entries real unsymmetric
Nonzeros
totaldiagonalbelow diagonalabove diagonalA-A'
20793 3312 8259 9222 19368
Column Data Row Data
Average nonzeros per column : 6.3
Standard deviation : 5.5

indexnonzeros
longest1506 17
shortest1 1

Average nonzeros per row : 6.3
Standard deviation : 6.7

indexnonzeros
longest1287 21
shortest1 1

Bandwidths Profile Storage
lower1107 upper1107
average |i-j|2.2e+02 std.dev.4.3e+02
minmaxave.std.dev.
lower bandwidth1 1107 2.5e+02 4.5e+02
upper bandwidth1 1107 3.7e+02 5.1e+02

Nonsymmetric skyline storage 2043689

Heaviest diagonals
offset from main0 1 -2 2 -48 48 -3 3 -1 -1104
nonzeros3312 1573 1124 1027 1002 1002 962 962 835 718
accumulated percent15.9323.4928.9033.8438.6643.4848.1052.7356.7560.20

Top 10 out of 29 nonvoid diagonals.
Conditioning
Frobenius norm1.4e+04 condition number (est.)3.9e+05
2-norm (est.)4.5e+03 diagonal dominanceno


Set Information

Set SHERMAN
Source: Andy Sherman, Nolan and Associates, Houston, TX.
Discipline:Oil reservoir modeling
Accession:Autumn 1984


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Last change in this page: Wed Sep 22 13:33:54 US/Eastern 2004 [Comments: ]