DWT 492: Everstine's collection
Piston shaft

from set DWT, from the Harwell-Boeing Collection

The finite element model that generated this matrix contains 492 nodes, 440 triangular axisymmetric elements, and 134 quadrilateral axisymmetric 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__492.mtx.gz (3869 bytes)
Compressed Harwell-Boeing format file: dwt__492.psa.gz (3748 bytes)

Visualizations

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

Structure Plot

Matrix Statistics

Size	Type
492 x 492, 3156 entries	pattern symmetric indefinite
Nonzeros
total diagonal below diagonal above diagonal A-A' 3156 492 1332 1332 0
Column Data	Row Data
Average nonzeros per column : 6.4 Standard deviation : 1.9 index nonzeros longest 43 11 shortest 37 3	Average nonzeros per row : 6.4 Standard deviation : 1.9 index nonzeros longest 43 11 shortest 37 3
Bandwidths	Profile Storage
lower 436 upper 436 average |i-j| 38 std.dev. 90	min max ave. std.dev. lower bandwidth 1 436 70 1.2e+02 upper bandwidth 1 436 70 1.2e+02 Symmetric skyline storage requirement:34282
Heaviest diagonals
offset from main 0 -1 1 -4 4 -5 5 -3 3 -7 nonzeros 492 361 361 114 114 93 93 83 83 63 accumulated percent 15.59 27.03 38.47 42.08 45.69 48.64 51.58 54.21 56.84 58.84 Top 10 out of 381 nonvoid diagonals.
Conditioning
Pattern matrix. No conditioning information.

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Last change in this page: Wed Sep 22 13:33:34 US/Eastern 2004 [Comments: ]