Each beam is modeled as a finite element approximation to biharmonic operator with one end free and one end fixed. 80 elements with 3 DOF per node.
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Structure Plot  City Plot 

3D Interactive City Plot  
[ VRML Version 2, gzipped ] 142631 bytes 
Size  Type  

468 x 468, 2820 entries  real symmetric positive definite  
Nonzeros  


Column Data  Row Data  
Average nonzeros per column : 11 Standard deviation : 2.5

Average nonzeros per row : 11 Standard deviation : 2.5


Bandwidths  Profile Storage  

Symmetric skyline storage requirement:27754 

Heaviest diagonals  
Top 10 out of 201 nonvoid diagonals. 

Conditioning  

Set LANPRO  

Source:  Horst Simon, Boeing Computer Services, Seattle, Washington. 
Discipline:  Linear equations in structural engineering 
Accession:  Spring 1982 
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Last change in this page: Wed Sep 22 13:33:41 US/Eastern 2004 [Comments: ]