ORSIRR 2: 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_2.mtx.gz (26615 bytes)
Compressed Harwell-Boeing format file: orsirr_2.rua.gz (19032 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 ] 145668 bytes

Matrix Statistics

Size	Type
886 x 886, 5970 entries	real unsymmetric
Nonzeros
total diagonal below diagonal above diagonal A-A' 5970 886 2542 2542 2990
Column Data	Row Data
Average nonzeros per column : 6.7 Standard deviation : 1.4 index nonzeros longest 858 14 shortest 851 3	Average nonzeros per row : 6.7 Standard deviation : 1.4 index nonzeros longest 858 14 shortest 851 3
Bandwidths	Profile Storage
lower 555 upper 555 average |i-j| 61 std.dev. 1.3e+02	min max ave. std.dev. lower bandwidth 1 555 78 1.1e+02 upper bandwidth 1 555 78 1.1e+02 Symmetric skyline storage requirement:136618
Heaviest diagonals
offset from main 0 -1 1 -8 8 -74 74 -64 64 -4 nonzeros 886 734 734 503 503 296 296 256 256 140 accumulated percent 14.84 27.14 39.43 47.86 56.28 61.24 66.20 70.49 74.77 77.12 Top 10 out of 437 nonvoid diagonals.
Conditioning
Frobenius norm 1.5e+06 condition number (est.) 1.7e+05 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: ]