ORSIRR 1: Oil reservoir simulation - generated problems
oil reservoir simulation for 21x21x5 irregular grid

from set OILGEN, from the Harwell-Boeing Collection

Download as

Compressed MatrixMarket format file: orsirr_1.mtx.gz (30940 bytes)
Compressed Harwell-Boeing format file: orsirr_1.rua.gz (22308 bytes)

Visualizations

Click on image to get an enlarged version. Click on label to get an explanation.

Structure Plot	City Plot
Spectral Portrait	3D Interactive City Plot
	[ VRML Version 2, gzipped ] 166092 bytes

Matrix Statistics

Size	Type
1030 x 1030, 6858 entries	real unsymmetric
Nonzeros
total diagonal below diagonal above diagonal A-A' 6858 1030 2914 2914 3442
Column Data	Row Data
Average nonzeros per column : 6.7 Standard deviation : 1.1 index nonzeros longest 583 13 shortest 488 4	Average nonzeros per row : 6.7 Standard deviation : 1.1 index nonzeros longest 583 13 shortest 488 4
Bandwidths	Profile Storage
lower 555 upper 555 average |i-j| 56 std.dev. 1.2e+02	min max ave. std.dev. lower bandwidth 1 555 79 1.1e+02 upper bandwidth 1 555 79 1.1e+02 Symmetric skyline storage requirement:162210
Heaviest diagonals
offset from main 0 -1 1 -8 8 -74 74 -64 64 -4 nonzeros 1030 850 850 535 535 296 296 256 256 220 accumulated percent 15.02 27.41 39.81 47.61 55.41 59.73 64.04 67.77 71.51 74.72 Top 10 out of 407 nonvoid diagonals.
Conditioning
Frobenius norm 1.8e+06 condition number (est.) 1e+02 2-norm (est.) 4.6e+05 diagonal dominance yes

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Last change in this page: Wed Sep 22 13:33:47 US/Eastern 2004 [Comments: ]