Analysis of cracked skew sandwich plates with functionally graded porous cores under free vibration

Mohammad Amir, Ahmed Raza, Sang-Woo Kim, Research Institute for Aerospace Engineering and Technology, Korea Aerospace University, Republic of Korea, Department of Aeronautical and Astronautical Engineering, Korea Aerospace University, Republic of Korea

Journal of Sandwich Structures & Materials

Published online on February 04, 2026

Abstract

Journal of Sandwich Structures & Materials, Ahead of Print.
This study investigates the vibration behavior of cracked skew sandwich plates with a porous functionally graded core, utilizing the extended finite element method (XFEM). The modeling approach is based on higher-order shear deformation theory to enhance ...