Truck crashworthiness simulation using ANSYS

Amer, Mohd Shazli (2022) Truck crashworthiness simulation using ANSYS. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Hundreds of people die in collisions between vehicles and large trucks each year. The greatest danger in the event of a collision between a car and a heavy vehicle is the invasion of the passengers’ compartment under the heavy truck’s rear underride, which might result in a fatal injury to passengers. The purpose of this paper is to examine, simulate, and analyse a Rear Under Run Protection (RUPD) system in a crashing state. The primary goal of creating the RUPD is to increase the vehicle’s safety and occupants. This research aims to improve crashworthiness by creating a new rear underride protection device (RUPD) following FMVSS 223/224 rules. The material selection and structural design are the two primary determinants of impact energy absorption during a crash. This research focuses on the RUPD and the three factorsthat influence it: type of beam, angle of support, and material. Finite element simulation is utilised for performance analysis of the RUPD in ANSYS by static structural analysis and explicit dynamic analysis with different load distributions at various locations on the RUPD. The legal requirements for an RUPD are specified in regulation FMVSS 223/224 in the United States of America, CMVSS 223 in Canada, and ECE R 58 in Europe, which establishes stringent requirements for the device’s design and behaviour under load that the device must meet in order to be approved for commercial vehicles. The results showed that the new RUPD design enhanced the energy absorption and was able to fulfil the standard requirement of crashworthiness.

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