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- Title
Vibroacoustic Response of a Double-Walled Cylindrical FGM Shell with a Porous Sandwiched Layer.
- Authors
Ramezani, H.; Talebitooti, R.
- Abstract
The transmission loss of sound through a cylindrical structure whose walls sandwich a layer of porous material is predicted on the basis of the classical shell theory for shells made of functionally graded materials (FGMs). FGM shells composed of metal and ceramic, with three different distributions (power-law, sigmoid, or exponential) of their volume fractions across the wall thickness, are considered. The porous layer is modeled as a fluid with equivalent properties. The transmission loss through the multilayered structure is obtained analytically in a broad frequency band. To validate the results found, they are compared with some known ones. The effects of variation in the volume fractions of materials are also studied.
- Subjects
FUNCTIONALLY gradient materials; POROUS materials; CRYSTAL structure; SANDWICH construction (Materials); STRUCTURAL shells; CERAMIC materials
- Publication
Mechanics of Composite Materials, 2015, Vol 51, Issue 5, p581
- ISSN
0191-5665
- Publication type
Article
- DOI
10.1007/s11029-015-9529-0