Effect of Adding a Trigger Hole and Cross-Section Foam on the Crash Box in Energy Absorption
DOI:
https://doi.org/10.21834/e-bpj.v10iSI42.7750Keywords:
Crash box, frusta model, Trigger CircleAbstract
Crash box, as passive safety components in passenger cars, continue to be modified to enhance their ability to protect drivers. This study modifies crash box using nine specimens: three square, three hexagonal, and three circular models, designed with SolidWorks. Testing was conducted using the Finite Element Method (Abaqus) and experimental compression tests with a Universal Testing Machine. The material used is Aluminum AA 6061-T4, with manufacturing processes including cutting, marking, bending, and TIG welding. Results show that the two-hole hexagonal crash box has the highest energy absorption: 33.05 kJ experimentally and 29.49 kJ in simulation, indicating significantly improved crashworthiness.
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Copyright (c) 2025 Ahmad Yunus Nasution , Mohd Ruzaimi Mat Rejab, Januar Parlaungan Siregar
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