From generalized eigenvalue problem Kx=(lambda)Mx. This is matrix M; matrix K is BCSSTK06 from BCSSTRUC1 set.
BCSSTK06 and BCSSTM06 repesent the lumped (diagonal) mass formulation for the same problem for which BCSSTK07 and BCSSTM07 form the consistent mass formulation.
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Structure Plot  City Plot 

3D Interactive City Plot  
[ VRML Version 2, gzipped ] 52408 bytes 
Size  Type  

420 x 420, 420 entries  real symmetric positive definite  
Nonzeros  


Column Data  Row Data  
Average nonzeros per column : 1 Standard deviation : 0

Average nonzeros per row : 1 Standard deviation : 0


Bandwidths  Profile Storage  

Symmetric skyline storage requirement:420 

Heaviest diagonals  
Top 1 out of 1 nonvoid diagonals. 

Conditioning  

Set BCSSTRUC1  

Source:  John Lewis, Boeing Computer Services, Seattle, Washington, USA 
Discipline:  Dynamic analyses in structural engineering 
Accession:  Summer 1982 
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Last change in this page: Wed Sep 22 13:33:24 US/Eastern 2004 [Comments: ]