Quasi-static and impact behaviour of foam-filled graded auxetic panel

• Published in: International journal of impact engineering Vol. 178; p. 104606
• Main Authors: Novak, Nejc, Al-Rifaie, Hasan, Airoldi, Alessandro, Krstulović-Opara, Lovre, Łodygowski, Tomasz, Ren, Zoran, Vesenjak, Matej
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.08.2023
• Subjects: Auxetic panel; Cellular materials; Computational modelling; Crash absorber; Drop test; Experimental testing; Foam-filled; Polyurethane foam; Crash absorber; Experimental testing; Computational modelling; Cellular materials; Foam-filled; Drop test; Auxetic panel; Polyurethane foam

•The auxetic panels were built by corrugating and glueing aluminium sheets.•Detailed quasi-static and dynamic drop tests were conducted and compared with a non-linear computational model.•The stress-strain relationships, deformation patterns, specific energy absorption, crash force efficiency and Po...