DWT 607: Everstine's collection
Wankel rotor

from set DWT, from the Harwell-Boeing Collection

The finite element model that generated this matrix contains 607 nodes, 212 triangular plate elements, and 482 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__607.mtx.gz (5977 bytes)
Compressed Harwell-Boeing format file: dwt__607.psa.gz (5313 bytes)

Visualizations

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

Structure Plot

Matrix Statistics

Size	Type
607 x 607, 5131 entries	pattern symmetric indefinite
Nonzeros
total diagonal below diagonal above diagonal A-A' 5131 607 2262 2262 0
Column Data	Row Data
Average nonzeros per column : 8.5 Standard deviation : 2.4 index nonzeros longest 218 14 shortest 1 4	Average nonzeros per row : 8.5 Standard deviation : 2.4 index nonzeros longest 218 14 shortest 1 4
Bandwidths	Profile Storage
lower 148 upper 148 average |i-j| 34 std.dev. 34	min max ave. std.dev. lower bandwidth 1 148 50 35 upper bandwidth 1 148 50 35 Symmetric skyline storage requirement:30615
Heaviest diagonals
offset from main 0 -1 1 -33 33 -32 32 -34 34 -23 nonzeros 607 539 539 155 155 152 152 126 126 97 accumulated percent 11.83 22.33 32.84 35.86 38.88 41.84 44.81 47.26 49.72 51.61 Top 10 out of 205 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: ]