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S3RMT3M1: Finite element analysis of cylindrical shells
Cylindrical shell, uniform 30x30 triangular mesh, stabilized MITC3 elements, R/t=1000

from set CYLSHELL, from the Independent Sets and Generators
generated by MVMTLS

[Download] [Visualizations] [Matrix Statistics] [Generator Information]


The following estimates were supplied by the author.

Max eigenvalue = 9.6688590706791765E+03
Min eigenvalue = 3.8956266582265278E-07
Condition number = 2.481978E+10.

This matrix supercedes C3RMT3M1.


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Visualizations

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Structure Plot City Plot
structure plot city plot


Matrix Statistics

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Size Type
5489 x 5489, 112505 entries real symmetric positive definite
Nonzeros
totaldiagonalbelow diagonalabove diagonalA-A'
217669 5489 106090 106090 0
Column Data Row Data
Average nonzeros per column : 40
Standard deviation : 5.2

indexnonzeros
longest190 42
shortest5401 7

Average nonzeros per row : 40
Standard deviation : 5.2

indexnonzeros
longest190 42
shortest5401 7

Bandwidths Profile Storage
lower192 upper192
average |i-j|1e+02 std.dev.88
minmaxave.std.dev.
lower bandwidth0 191 1.8e+02 33
upper bandwidth0 191 1.8e+02 33

Symmetric skyline storage requirement:1002168

Heaviest diagonals
offset from main0 -1 1 -2 2 -4 4 -5 5 -3
nonzeros5489 5458 5458 5427 5427 5336 5336 5278 5278 5257
accumulated percent 2.52 5.03 7.5410.0312.5214.9717.4319.8522.2824.69

Top 10 out of 229 nonvoid diagonals.
Conditioning
Frobenius norm1.7e+05 condition number (est.)1.33e+10
2-norm (est.)9.7e+03 diagonal dominanceno


Generator Information

Generator CYLSHELL
Source: Reijo Kouhia, Helsinki University of Technology, reijo.kouhia@hut.fi
Discipline:Structural mechanics
Accession:Summer 1997


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Last change in this page: Wed Sep 22 13:34:26 US/Eastern 2004 [Comments: ]