Stiffness matrix
Click on image to get an enlarged version. Click on label to get an explanation.
Structure Plot |
---|
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Matrix Statistics * * Generated by Yousef Saad's SPARSKIT Library * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * TIFFNESS MATRIX FOR AUTOMOBILE COMPONENT (MSC NASTRAN) - PATTERN ONLY * * Key = BCSSTK31 , Type = PSA * * No values provided - Information on pattern only * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Dimension N = 35588 * * Number of nonzero elements = 608502 * * Average number of nonzero elements/Column = 17.0985 * * Standard deviation for above average = 9.2808 * * Nonzero elements in strict lower part = 572914 * * Nonzero elements in strict upper part = 572914 * * Nonzero elements in main diagonal = 35588 * * Weight of longest column = 197 * * Weight of shortest column = 2 * * Matching elements in symmetry = 0 * * Relative Symmetry Match (symmetry=1) = NaN * * Average distance of a(i,j) from diag. = 0.379E+03 * * Standard deviation for above average = 0.349E+03 * *-----------------------------------------------------------------* * Lower bandwidth (max: i-j, a(i,j) .ne. 0) = 0 * * Upper bandwidth (max: j-i, a(i,j) .ne. 0) = 1668 * * Maximum Bandwidth = 1669 * * Average Bandwidth = 0.620E+03 * * Number of nonzeros in skyline storage = 23198053 * * 90% of matrix is in the band of width = 1731 * * 80% of matrix is in the band of width = 1465 * * The total number of nonvoid diagonals is = 1550 * * The 9 most important diagonals are (offsets) : * * 0 1 5 2 4 6 3 7 8 * * The accumulated percentages they represent are : * * 5.8 9.7 13.0 16.0 18.7 21.1 23.3 25.0 26.2 * *-----------------------------------------------------------------* * The matrix does not have a block structure * *-----------------------------------------------------------------*
Set BCSSTRUC5 | |
---|---|
Source: | Boeing Computer Services |
Discipline: | Structural engineering |
Accession: | Spring 1986 |
[ Home ] [ Search ] [ Browse ] [ Resources ]
Last change in this page: Wed Sep 22 13:33:28 US/Eastern 2004 [Comments: ]