Torsional wave propagation in multiwalled carbon nanotubes using nonlocal elasticity
Applied Physics A: Materials Science and Processing, cilt.122, sa.3, ss.1-10, 2016 (SCI-Expanded, Scopus)
- Yayın Türü: Makale / Tam Makale
- Cilt numarası: 122 Sayı: 3
- Basım Tarihi: 2016
- Doi Numarası: 10.1007/s00339-016-9751-1
- Dergi Adı: Applied Physics A: Materials Science and Processing
- Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
- Sayfa Sayıları: ss.1-10
- Trakya Üniversitesi Adresli: Evet
Özet
Torsional wave propagation in multiwalled carbon nanotubes is studied in the present work. Governing equation of motion of multiwalled carbon nanotube is obtained using Eringen’s nonlocal elasticity theory. The effect of van der Waals interaction coefficient is considered between inner and outer nanotubes. Dispersion relations are obtained and discussed in detail. Effect of nonlocal parameter and van der Waals interaction to the torsional wave propagation behavior of multiwalled carbon nanotubes is investigated. It is obtained that torsional van der Waals interaction between adjacent tubes can change the rotational direction of multiwalled carbon nanotube as in-phase or anti-phase. The group and escape velocity of the waves converge to a limit value in the nonlocal elasticity approach.