VNU Journal of Science Mathematics – Physics, Vol 37, No 3 (2021) 109 118 109 Original Article Dynamic Analysis of Eccentrically Stiffened Sandwich Thick Plates with Auxetic Honeycomb Core and GPL RC Face Layers under Blast Loading Vu Dinh Quang1,* VNU University of Engineering and Technology, 144 Xuan Thuy, Cau Giay, Hanoi, Vietnam Received 19 June 2021 Revised 22 July 2021; Accepted 05 August 2021 Abstract This study analyses eccentrically stiffened sandwich thick plates with the core layer[.]