Comparison between multibody dynamics (MBD) rollover model and finite element (FE) rollover model

Masri, Amin Irfan (2021) Comparison between multibody dynamics (MBD) rollover model and finite element (FE) rollover model. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

At the moment, the number of vehicle ownership was relatively high, and social progress and development were increasing fast. Vehicles were one of the most significant transports in people's daily lives. In recent years, safety of vehicles has received significant attention. There are various types of traffic accidents, including a frontal crash, a side crash, etc. In all types of traffic accidents, the vehicle roll-over has the lowest risk of serious injuries and the majority result of these incidents are fatal. Even if there are fewer than 10% of incidents involving vehicles in Malaysia in single vehicle and roll-over accidents, there have been roughly one-third of the deaths of light-vehicle occupants. This research aims to establish a way of predicting the chance of rolling over. Static Stability Factor (SSF), which may be connected with a rollover likelihood using NHTSA statistic data, is one of the essential geometric variables to estimate the vehicle's rollover risk. The SSF is the ratio of one-half the width of the track to the height of the center of gravity. The rollover rates are predicted in relation to current rates. The approach to rollover crash includes investigations, the method for finite elements and models on a rigid body basis. In this research in particular, a test and simulation were carried out in order to evaluate the Finite Element Model (FEM) for car rollover collision. This research study also used to forecast the likelihood of rollover in Malaysia for SUV. This technique may be used as a way of reducing the amount of rollover incidents that can lower occupants' fatality for manufacturers, users and regulators. The outcome can also be a tool to evaluate the ASEAN region's roll-over risk trend and will benefit ASEAN NCAP in determining safety rates for SUVs.

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