Research Article
Vibrations of Three-Layered Cylindrical Shells with FGM Middle Layer Resting on Winkler and Pasternak Foundations
Table 4
Description of cylindrical shells.
| | Types | Isotropic inner | FGM material middle | Isotropic outer |
| | Type 1 | Stainless steel | Zirconia-Nickel | Stainless steel | | Type 2 | Stainless steel | Nickel-Zirconia | Stainless steel | | Type 3 | Stainless steel | Zirconia-Nickel | Aluminum | | Type 4 | Stainless steel | Nickel-Zirconia | Aluminum |
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