DWT 2680: Everstine's collection
Destroyer

from set DWT, from the Harwell-Boeing Collection

The finite element model that generated this matrix contains 2690 nodes, 3172 rod elements, 134 triangular plate elements, and 2793 quadrilateral plate elements. The model is shown below. Plate and solid elements are outlined in black.

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Download as

Compressed MatrixMarket format file: dwt_2680.mtx.gz (29669 bytes)
Compressed Harwell-Boeing format file: dwt_2680.psa.gz (24358 bytes)

Visualizations

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

Structure Plot

Matrix Statistics

Size	Type
2680 x 2680, 25026 entries	pattern symmetric indefinite
Nonzeros
total diagonal below diagonal above diagonal A-A' 25026 2680 11173 11173 0
Column Data	Row Data
Average nonzeros per column : 9.3 Standard deviation : 1.9 index nonzeros longest 1838 19 shortest 2324 4	Average nonzeros per row : 9.3 Standard deviation : 1.9 index nonzeros longest 1838 19 shortest 2324 4
Bandwidths	Profile Storage
lower 2500 upper 2500 average |i-j| 1.5e+02 std.dev. 4.3e+02	min max ave. std.dev. lower bandwidth 1 2500 2.2e+02 5e+02 upper bandwidth 1 2500 2.2e+02 5e+02 Symmetric skyline storage requirement:590543
Heaviest diagonals
offset from main 0 -1 1 -7 7 -6 6 -8 8 -5 nonzeros 2680 2183 2183 1326 1326 1180 1180 885 885 798 accumulated percent 10.71 19.43 28.15 33.45 38.75 43.47 48.18 51.72 55.25 58.44 Top 10 out of 2237 nonvoid diagonals.
Conditioning
Pattern matrix. No conditioning information.

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Last change in this page: Wed Sep 22 13:33:35 US/Eastern 2004 [Comments: ]