Appendix - Mindlin’s strain gradient theory for vibration analysis of FG-CNT-reinforced composite nanoplates resting on Kerr foundation in thermal environment

Appendix for Mindlin’s strain gradient theory for vibration analysis of FG-CNT-reinforced composite nanoplates resting on Kerr foundation in thermal environment by Hosein Shahraki, Hossein Tajmir Riahi, Mohsen Izadinia and Sayed Behzad Talaeitaba in Journal of Thermoplastic Composite Materials