Research Article
Buckling Temperature and Natural Frequencies of Thick Porous Functionally Graded Beams Resting on Elastic Foundation in a Thermal Environment
Table 2
Comparison of the dimensionless fundamental frequency
of perfect simply-supported FGB for
°K .
| | Solution method | | 0 | 0.2 | 0.5 | 1 | 2 |
| 5 | Ebrahimi and Jafari [59] | DTM | 5.1524 | 4.8060 | 4.4106 | 3.9965 | 3.6447 | Simsek [73] | Lagrange’s equations | 5.1524 | 4.8065 | 4.4083 | 3.9902 | 3.6343 | Present | Navier solution | 5.1527 | 4.8080 | 4.4106 | 3.9904 | 3.6264 |
| 20 | Ebrahimi and Jafari [59] | DTM | 5.4603 | 5.0813 | 4.6511 | 4.2055 | 3.8375 | Simsek [73] | Lagrange’s equations | 5.4603 | 5.0826 | 4.6513 | 4.2050 | 3.8367 | Present | Navier solution | 5.4603 | 5.0815 | 4.6511 | 4.2050 | 3.8361 |
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