Research Article
Free Vibration of Layered Circular Cylindrical Shells of Variable
Thickness Using Spline Function Approximation
Table 1
Material properties of HSG and SGE.
| Material | Density | Young’s Modulus | Young’s Modulus | Shear Modulus | Poisson Ratio | | | | | |
| HSG | 1.5892 | 12.40 | 1.03 | 0.54933 | 0.27 | SGE | 2.0431 | 5.17 | 1.17 | 0.55060 | 0.25 |
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