FS 183 6: Chemical kinetics problems
PSMOG atmospheric polution study -- 4th output time step

from set FACSIMILE, from the Harwell-Boeing Collection

Straight chemical kinetics problem from atmospheric pollution studies. This is an example at the large end of the range of spatially homogeneous problems from straight chemical kinetics calculations.

Download as

Compressed MatrixMarket format file: fs_183_6.mtx.gz (8930 bytes)
Compressed Harwell-Boeing format file: fs_183_6.rua.gz (8269 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 ] 128588 bytes

Matrix Statistics

Size	Type
183 x 183, 1069 entries	real unsymmetric
Nonzeros
total diagonal below diagonal above diagonal A-A' 1000 183 418 399 1272
Column Data	Row Data
Average nonzeros per column : 5.5 Standard deviation : 12 index nonzeros longest 1 105 shortest 30 1	Average nonzeros per row : 5.5 Standard deviation : 8.7 index nonzeros longest 2 71 shortest 139 1
Bandwidths	Profile Storage
lower 182 upper 152 average |i-j| 63 std.dev. 50	min max ave. std.dev. lower bandwidth 0 181 77 57 upper bandwidth 0 151 57 53 Nonsymmetric skyline storage 24431
Heaviest diagonals
offset from main 0 -1 1 -94 -83 -95 -93 -8 -101 -98 nonzeros 183 26 14 12 9 8 7 6 5 5 accumulated percent 18.30 20.90 22.30 23.50 24.40 25.20 25.90 26.50 27.00 27.50 Top 10 out of 299 nonvoid diagonals.
Conditioning
Frobenius norm 1.2e+09 condition number (est.) 1.5e+11 2-norm (est.) 1.2e+09 diagonal dominance no

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Last change in this page: Wed Sep 22 13:33:38 US/Eastern 2004 [Comments: ]