DWT 209: Everstine's collection Console
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The finite element model that generated this matrix contains 209 nodes, 175 beam elements, 35 triangular plate elements, and 143 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
209 x 209, 1743 entries
pattern symmetric indefinite
Nonzeros
total diagonal below diagonal above diagonal A-A' 1743 209 767 767 0

Column Data
Row Data
Average nonzeros per column : 8.3 Standard deviation : 2.3

index nonzeros longest 57 17 shortest 52 4

Average nonzeros per row : 8.3 Standard deviation : 2.3

index nonzeros longest 57 17 shortest 52 4

Bandwidths
Profile Storage
lower 185 upper 185 average |i-j| 21 std.dev. 32

min max ave. std.dev. lower bandwidth 1 185 46 49 upper bandwidth 1 185 46 49

Symmetric skyline storage requirement: 9712

Heaviest diagonals
offset from main 0 -1 1 -17 -2 2 17 -6 6 -15
nonzeros 209 166 166 37 37 37 37 33 33 30
accumulated percent 11.99 21.51 31.04 33.16 35.28 37.41 39.53 41.42 43.32 45.04

Top 10 out of 211 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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