Research Article
Buckling Analyses of Axially Functionally Graded Nonuniform Columns with Elastic Restraint Using a Localized Differential Quadrature Method
Table 3
Non dimensional critical buckling loads (
) for the columns of linearly varying width and constant height
for
.
| | BC | | Reference [28] | Reference [3] | Reference [30] | LDQM |
| | C-F | −0.5 | — | — | — | 2.06209226 | | 0.5 | — | — | — | 2.81006133 | | 1.0 | 3.12277257 | 3.11769623 | 3.11769623 | 3.11769628 |
| | F-C | −0.5 | — | — | — | 1.55884812 | | 0.5 | — | — | — | 3.31117993 | | 1.0 | — | 4.12418445 | 4.12418445 | 4.12418442 |
| | P-P | −0.5 | — | — | — | 7.25562477 | | 0.5 | — | — | — | 12.25041131 | | 1.0 | 14.50520092 | 14.51124954 | 14.51124954 | 14.51124954 |
| | C-P | −0.5 | — | — | — | 14.73942213 | | 0.5 | — | — | — | 24.99361144 | | 1.0 | 29.49596465 | 29.44896281 | 29.44896281 | 29.44896281 |
| | P-C | −0.5 | — | — | — | 14.72448141 | | 0.5 | — | — | — | 24.99874044 | | 1.0 | — | 29.47884426 | 29.47884426 | 29.47884426 |
| | C-C | −0.5 | — | — | — | 28.69697807 | | 0.5 | — | — | — | 48.81145815 | | 1.0 | 57.44524609 | 57.39395614 | 57.39395614 | 57.39395614 |
| | C-G | −0.5 | — | — | — | 7.16883539 | | 0.5 | — | — | — | 12.19969805 | | 1.0 | — | — | — | 14.33767077 |
|
|
