Numerical assessment of blast performance of a sandwich structure with novel circular re-entrant star honeycomb auxetic core

Aswanth V Utham, Gaurav Watts, Radha Raman Mishra, Department of Mechanical Engineering, Birla Institute of Technology and Science

Journal of Sandwich Structures & Materials

Published online on December 29, 2025

Abstract

Journal of Sandwich Structures & Materials, Ahead of Print.
This study investigates a novel circular re-entrant star honeycomb (CRESH) auxetic core for its potential to enhance energy absorption and improve resistance to near-field blast loading in protective sandwich structures. A comparative analysis is ...