On dynamic deflection analysis of sandwich beams
under thermal and pulse loads
Mamoon A.A. Al-Jaafari,Haider Ali Hussein,Abdulaziz Saud Khider,Raad M. Fenjan,Nadhim M. Faleh
Abstract
Dynamic deflection analysis of sandwich beams with cellular core under thermal and pulse loads has been
performed in the present article. The cellular core sandwich beam has two layers fortified by graphene oxide powder (GOP)
which are micromechanically modeled by Halpin-Tsai formulation. The pulse load has blast type and is applied on the top side
of sandwich beam. The system of equations has been developed based on higher-order beam theory and Ritz method. Then, they
are solved in Laplace domain to derive the dynamic deflections. The dependency of beam deflection on temperature variation,
GOP content, pulse load duration/location and core relative density has been studied in detail.
