Research Article
Framework for Dynamic-Stiffness-Based Free Vibration Analysis of Plate-Like Structures
Table 4
Dimensionless frequencies
ω =
ωa (
ρ(1-
ν2)/
E)
1/2 of isotropic cantilever folded plate clamped along the edge
X = 0 for crank angle
α = 120
° (
h = 0.02a,
a1 =
a2 = 0.5a).
| Mode | FSDT | HSDT | Abaqus | FETM [50] | M = 1 | M = 3 | M = 5 | M = 1 | M = 3 | M = 5 |
| 1 | 0.0481 | 0.0484 | 0.0484 | 0.0479 | 0.0482 | 0.0482 | 0.0487 | 0.0491 | 2 | 0.0969 | 0.0967 | 0.0970 | 0.0976 | 0.0976 | 0.0977 | 0.0938 | 0.0943 | 3 | 0.1727 | 0.1756 | 0.1759 | 0.1723 | 0.1743 | 0.1756 | 0.1770 | 0.1787 | 4 | 0.2060 | 0.2068 | 0.2070 | 0.2066 | 0.2075 | 0.2075 | 0.2049 | 0.2065 |
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