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DWT 878: Everstine's collection
Plate with insert

from set DWT, from the Harwell-Boeing Collection

[Download] [Visualizations] [Matrix Statistics] [Set Information]


The finite element model that generated this matrix contains 878 nodes, 8 triangular plate elements, and 800 quadrilateral plate elements. The model is shown below. Plate and solid elements are outlined in black.

Image of model for dwt 878
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Visualizations

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Structure Plot
structure plot


Matrix Statistics

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Size Type
878 x 878, 7448 entries pattern symmetric indefinite
Nonzeros
totaldiagonalbelow diagonalabove diagonalA-A'
7448 878 3285 3285 0
Column Data Row Data
Average nonzeros per column : 8.5
Standard deviation : 1.2

indexnonzeros
longest877 10
shortest1 4

Average nonzeros per row : 8.5
Standard deviation : 1.2

indexnonzeros
longest877 10
shortest1 4

Bandwidths Profile Storage
lower520 upper520
average |i-j|18 std.dev.43
minmaxave.std.dev.
lower bandwidth1 520 31 60
upper bandwidth1 520 31 60

Symmetric skyline storage requirement:26933

Heaviest diagonals
offset from main0 -21 21 -1 1 -22 -20 20 22 -504
nonzeros878 832 832 824 824 790 790 790 790 2
accumulated percent11.7922.9634.1345.1956.2666.8677.4788.0898.6898.71

Top 10 out of 99 nonvoid diagonals.
Conditioning
Pattern matrix. No conditioning information.


Set Information

Set DWT
Source: Gordon Everstine, David W. Taylor Naval Ship Research and Development Center, Bethesda, MD, USA.
Discipline:Structural engineering
Accession:Summer 1980


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