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Comparing and optimizing different bio-inspired crash box designs
(Walter De Gruyter Gmbh, 2025) Ozturk, Ismail
The use of bio-inspired structures in vehicles is promising. The crashworthiness performance of crash boxes inspired by honeycomb, bamboo, and horsetail structures was compared according to impact simulations. Results were compared regarding specific energy absorption (SEA), peak crushing force (PCF), and specific energy absorption to peak crushing force ratio. Single and multi-objective optimization studies were carried out with a horsetail crash box, which gave the best results. This crash box design can be used in vehicles to improve passive safety.
Crushing performance and optimization of bio-inspired multi-cell columns
(Walter De Gruyter Gmbh, 2023) Ozturk, Ismail
Multi-cell columns inspired by diatom algae have been examined regarding crashworthiness. Crushing simulations have been conducted for AA2024-T351, B1500HS-O25, and a combination of these materials. The highest specific energy absorption and lowest peak crushing force value were obtained with a homogenous AA2024-T351 column. Single and multi-objective optimization studies have been conducted with this column to find the best design. This design could be used in crash-box-like structures in automotive design.