Research of non-linear frictional contact model in vehicle-pedestrian accidents based on computer simulation

Zhang, Xiaoyun; Hou, Xiao; Zhang, Dongming; Yang, Xiaobo

doi:10.1080/13588265.2019.1593289

Cited by 3 publications

(1 citation statement)

References 8 publications

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“…Stevenson [34] carried out an extensive study on the friction coefficients that occur in traffic accidents involving pedestrians. A non-linear frictional contact model in vehicle-pedestrian accidents was considered in [35]. The study based on their model indicates that the pedestrian-ground friction coefficient is not consistent.…”

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confidence: 99%

The Contact Phase in Vehicle–Pedestrian Accident Reconstruction

Benea,

Soica

2023

Applied Sciences

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The need for continuous research to refine the models used in forensic accident reconstruction appears with the development of new car models that satisfy consumer complaints. This paper analyzed a sub-sequence of car and pedestrian accidents from the perspective of the distance traveled by them in the contact phase with the aim of improving the information regarding the reconstruction of road accidents. This research included the analysis of some real tests with pedestrian dummies, as well as simulations of the impact between different classes of vehicles and pedestrians in two different walking positions. Specialized software was used with complex multibody models of pedestrians, modifying the speed and deceleration parameters of the car at the time of the collision. For pedestrian characteristics, the friction coefficients of the ground, car and its mass were modified. The research results highlight the differences between the bilinear models used in accident reconstruction and the proposed study. They can also be used to determine the distance traveled by the vehicle in the first phase of a collision with pedestrians.

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confidence: 99%

The Contact Phase in Vehicle–Pedestrian Accident Reconstruction

Benea,

Soica

2023

Applied Sciences

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Prediction of pedestrian injuries in motorcycle-pedestrian crashes using THUMS FE-HBM

Kumar,

Singh,

Chawla

et al. 2023

International Journal of Crashworthiness

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Contact Phase in Vehicle-Pedestrian Collision

Benea¹,

Șoica²

2023

Preprint

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The need for continuous research to refine the models used in accident reconstruction appears with the development of new car models that satisfy consumer complaints. The paper analyzed a sub-sequence of car and pedestrian accidents, from the perspective of the distance traveled by them in the contact phase, with the aim of improving the information regarding the reconstruction of road accidents. The research included the analysis of some accidents with pedestrian dummies, as well as the simulation of the impact between different classes of vehicles and pedestrians in two different walking positions. Specialized software was used with complex multibody models of pedestrians, modifying the speed and deceleration parameters at the time of the collision. The research results highlight the differences between bilinear models used in accident reconstruction and the proposed study. They can also be used to determine the distance traveled by the vehicle in the first phase of the collision with pedestrians.

show abstract

Research of non-linear frictional contact model in vehicle-pedestrian accidents based on computer simulation

Cited by 3 publications

References 8 publications

The Contact Phase in Vehicle–Pedestrian Accident Reconstruction

The Contact Phase in Vehicle–Pedestrian Accident Reconstruction

Prediction of pedestrian injuries in motorcycle-pedestrian crashes using THUMS FE-HBM

Contact Phase in Vehicle-Pedestrian Collision

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