DWT 869: Everstine's collection

from set DWT, from the Harwell-Boeing Collection

The finite element model that generated this matrix contains 869 nodes, 50 triangular axisymmetric elements, and 685 quadrilateral axisymmetric elements. The model is shown below. Plate and solid elements are outlined in black.

[detailed view]
[VRML 2.0] [VRML 1.0]

Download as

Compressed MatrixMarket format file: dwt__869.mtx.gz (7134 bytes)
Compressed Harwell-Boeing format file: dwt__869.psa.gz (6672 bytes)

Visualizations

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

Structure Plot

Matrix Statistics

Size	Type
869 x 869, 7281 entries	pattern symmetric indefinite
Nonzeros
total diagonal below diagonal above diagonal A-A' 7285 869 3208 3208 0
Column Data	Row Data
Average nonzeros per column : 8.4 Standard deviation : 1.7 index nonzeros longest 278 14 shortest 1 4	Average nonzeros per row : 8.4 Standard deviation : 1.7 index nonzeros longest 278 14 shortest 1 4
Bandwidths	Profile Storage
lower 587 upper 587 average |i-j| 15 std.dev. 64	min max ave. std.dev. lower bandwidth 1 587 23 77 upper bandwidth 1 587 23 77 Symmetric skyline storage requirement:20397
Heaviest diagonals
offset from main 0 -1 1 -11 11 -10 10 -9 9 -12 nonzeros 869 772 772 451 451 358 358 320 320 311 accumulated percent 11.93 22.53 33.12 39.31 45.50 50.42 55.33 59.73 64.12 68.39 Top 10 out of 183 nonvoid diagonals.
Conditioning
Pattern matrix. No conditioning information.

[ Home ] [ Search ] [ Browse ] [ Resources ]

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