Discrepancies Between Free Vibration of FML and Composite Cylindrical Shells Reinforced by CNTs
Publish place: Mechanics of Advanced Composite Structures، Vol: 6، Issue: 2
Publish Year: 1398
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_MACS-6-2_004
تاریخ نمایه سازی: 14 تیر 1399
Abstract:
In this study, discrepancies between the free vibration of fiber-metal laminate (FML) and composite cylindrical shells reinforced by carbon nanotubes (CNTs) based on Love’s first approximation shell theory have been considered by beam modal function model. The representative volume elements consist of three and four phases for composite and FML structures, respectively, which include fiber, CNTs, polymer matrix and metal for FML cylindrical shells while the metal section is ignored for composite cylindrical shells. The modulus of carbon nanotubes reinforced composites cylindrical shell could be defined based on rule of mixture. In addition, the fiber phase can be reinforced by the obtained matrix using the extended rule of mixture. The frequencies of FML and composite cylindrical shells reinforced by CNTs have been compared to each other for different materials, lay-ups, boundary conditions, axial and circumferential wave numbers.
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Authors
Masood Mohandes
University of Kashan, Kashan, Iran
Ahmad Reza Ghasemi
University of Kashan, Kashan, Iran
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