Research Article
Vibration Properties of Submerged Sandwich Cylindrical Shell Based on Wave Propagation Approach: Analytical and Experimental Investigation
| | Base layer | Stainless steel |
| | Density () | | | Young’s modulus (GPa) | | 210 | | Poisson’s ratio | | 0.26 | Loss factor | | 0.005 |
| | Viscoelastic damping layer | Rubber |
| | Density () | | | Loss factor | | 0.8 | | Shear modulus (MPa) | | 87 | — | — | — |
| | Constrained layer | Aluminum |
| | Density () | | | Loss factor | | 0.005 | | Young’s modulus (GPa) | | 70 | Poisson’s ratio | | 0.35 |
| | Fluid | Water |
| | Density () | | | Sound speed (m/s) | | 1500 |
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