Dynamic response of clamped rectangular multilayer sandwich panel with gradient foam cores under impulsive loading

Chengjin Zhang, Yao Wang, Jinwen Bai, Xiwei Wu, Dong Fu, Xilin Luo, Songran Dou, Nianyang Zou, Jianxun Zhang

Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science

Published online on April 15, 2026

Abstract

Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, Ahead of Print.
This paper presents a theoretical and numerical analysis of the impulsive response of clamped rectangular multilayer gradient foam-filled sandwich panel (GFSP) under blast loading. The yield criterion of the rectangular multilayer GFSP section is ...