Research Article
Buckling Analyses of Axially Functionally Graded Nonuniform Columns with Elastic Restraint Using a Localized Differential Quadrature Method
Table 5
Non dimensional critical buckling loads (
) for the columns of parabolic varying width and constant height
for
.
| | BC | | Reference [28] | Reference [3] | Reference [30] | LDQM |
| | C-F | −0.5 | — | — | — | 1.68296637 | | 0.5 | — | — | — | 3.17193009 | | 1.0 | 3.85763006 | 3.83637692 | 3.83637692 | 3.83637679 |
| | F-C | −0.5 | — | — | — | 0.95909423 | | 0.5 | — | — | — | 4.40655924 | | 1.0 | — | 6.73186541 | 6.73186541 | 6.73186555 |
| | P-P | −0.5 | — | — | — | 5.19807211 | | 0.5 | — | — | — | 15.07084413 | | 1.0 | 20.79163330 | 20.79228846 | 20.79228846 | 20.79228846 |
| | C-P | −0.5 | — | — | — | 10.52729403 | | 0.5 | — | — | — | 30.72425899 | | 1.0 | 42.31345100 | 42.10917612 | 42.10917612 | 42.10917612 |
| | P-C | −0.5 | — | — | — | 10.52729403 | | 0.5 | — | — | — | 30.72425899 | | 1.0 | — | 42.10917612 | 42.10917612 | 42.10917612 |
| | C-C | −0.5 | — | — | — | 20.48084102 | | 0.5 | — | — | — | 59.97123859 | | 1.0 | 82.22844561 | 81.92336388 | 81.92336364 | 81.92336379 |
| | C-G | −0.5 | — | — | — | 5.19807212 | | 0.5 | — | — | — | 15.07084413 | | 1.0 | — | — | — | 20.79228847 |
|
|
