DWT 162: Everstine's collection Plate with hole
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The finite element model that generated this matrix contains 163 nodes, 9 beam elements, and 116 quadrilateral plate elements. The model is shown below. Plate and solid elements are outlined in black. Beam and rod elements are drawn as tubes.

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Size
Type
162 x 162, 1182 entries
pattern symmetric indefinite
Nonzeros
total diagonal below diagonal above diagonal A-A' 1182 162 510 510 0

Column Data
Row Data
Average nonzeros per column : 7.3 Standard deviation : 1.7

index nonzeros longest 13 9 shortest 158 2

Average nonzeros per row : 7.3 Standard deviation : 1.7

index nonzeros longest 13 9 shortest 158 2

Bandwidths
Profile Storage
lower 157 upper 157 average |i-j| 12 std.dev. 20

min max ave. std.dev. lower bandwidth 1 157 17 24 upper bandwidth 1 157 17 24

Symmetric skyline storage requirement: 2806

Heaviest diagonals
offset from main 0 -1 1 -6 6 -7 7 -11 -5 5
nonzeros 162 129 129 71 71 48 48 47 47 47
accumulated percent 13.71 24.62 35.53 41.54 47.55 51.61 55.67 59.64 63.62 67.60

Top 10 out of 129 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 13:33:34 US/Eastern 2004
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