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Research Paper | Mechanical Engineering | India | Volume 3 Issue 9, September 2014

Automotive Crash Box Performance Analysis and Simulation during Frontal Rigid Barrier Crash

Gangadhar Biradar | Anjan Babu V.A

Abstract: In automobile design, crash and structural analysis are the two most important engineering processes in developing a high quality vehicle. Computer simulation technologies have greatly enhanced the safety, reliability, and comfort of todays automobiles. A Rectangular cross-section Crash box was modeled in CATIA V5R14, meshed in HYPERMESH-9 and simulated in LS DYNA. The result is post processed to determine the displacement levels and energy absorption characteristics for different material models, various velocities and for different wall thickness for particular material model in the crash box, and energy management during the event. The project addresses the applicability and importance of Crash box in an automobile car. The project is carried out for three cases and they are Different Material models, Different Velocities for particular selected Material model and Different Wall thickness for particular selected Material model. This paper addresses performance of crash box in the vehicle crash worthiness applications, also its effect on energy absorbing capacity by increasing its wall thickness and the behavior of the crash box at various velocities.

Keywords: Crash box, Frontal Rigid Barrier, LS DYNA

Edition: Volume 3 Issue 9, September 2014,

Pages: 1431 - 1437

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