FS 183 4: Chemical kinetics problems
PSMOG atmospheric polution study -- 3rd 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_4.mtx.gz (9033 bytes)
Compressed Harwell-Boeing format file: fs_183_4.rua.gz (8426 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 ] 129117 bytes

Matrix Statistics

Size	Type
183 x 183, 1069 entries	real unsymmetric
Nonzeros
total diagonal below diagonal above diagonal A-A' 1069 183 447 439 1402
Column Data	Row Data
Average nonzeros per column : 5.8 Standard deviation : 12 index nonzeros longest 1 105 shortest 52 1	Average nonzeros per row : 5.8 Standard deviation : 9.1 index nonzeros longest 2 72 shortest 5 2
Bandwidths	Profile Storage
lower 182 upper 152 average |i-j| 62 std.dev. 50	min max ave. std.dev. lower bandwidth 0 181 78 56 upper bandwidth 0 151 61 52 Nonsymmetric skyline storage 25235
Heaviest diagonals
offset from main 0 -1 1 -94 -83 -95 -93 -8 11 121 nonzeros 183 27 14 12 9 8 7 6 6 6 accumulated percent 17.12 19.64 20.95 22.08 22.92 23.67 24.32 24.88 25.44 26.01 Top 10 out of 304 nonvoid diagonals.
Conditioning
Frobenius norm 1.1e+09 condition number (est.) 1.9e+11 2-norm (est.) 1.1e+09 diagonal dominance no

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