Journal
THIN-WALLED STRUCTURES
Volume 175, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.tws.2022.109185
Keywords
Bio-inspired metallic core; Sandwich structures; Crushing behavior; Blast loading
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Funding
- Scientific and Technical Council of Turkey (TUBITAK) [214M339]
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The blast loading response of a sandwich structure with bio-inspired cores/units was investigated. The study analyzed the dynamic crushing behavior and specific energy absorption capacity of the structure. The all-front configuration was found to be the most efficient in terms of energy absorption.
The blast loading response of a sandwich structure consisted of bio-inspired (balanus) cores/units was investigated experimentally and numerically. A Direct Pressure Pulse (DPP) set-up was used to impose a blast-like loading. The equivalent blast conditions corresponding to the used impact velocities were implemented in the models. A benchmark study was performed by using three different methods namely pure Lagrangian, Arbitrary Lagrangian Eulerian, and hybrid. Dynamic crushing behavior was analyzed and exhibited a higher specific energy absorption capacity than its constituents (core and shell). Among the core configurations, all-front configuration was found the most efficient configuration regarding the specific energy absorption.
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