Simulation of Vibrations Impacted on the Driver of Passenger Cars with an Iranian Mannequin with Two Springiness System Characteristics
Code: G-1236
Authors: Meisam Mataji Amirroud © ℗, Sara Aliyari Babolghani
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Abstract:
Introduction
Vibrations during driving represent a common concern in ergonomic evaluations of driver conditions. However, how alterations in the mechanical characteristics of the car and driver's seat might impact vibrations on different body parts is a crucial inquiry. Considering that vibrations affect various body points uniquely, can these changes be predicted before construction? This question is addressed through mannequin simulation in this paper.
Methods and Materials / Case Report
Mr. Liang and Mr. Chang introduced a vibrational model of the driver in 2007, which has been the most authenticated model to date. The dimensions of the utilized mannequin were related to the height of Iranian male percentile 50, and other dimensions were extracted proportionately. Two different values of seat springiness and damping were modeled. SimWise software was employed to assess vibration alterations.
Results
The outcomes demonstrated that reducing the overall seat springiness reduced the vibrational range in the abdomen and thighs but increased vibrations in the head, pelvis, and torso.
Conclusion
This study solely aimed to evaluate the possibility of simulating forced body vibrations concerning changes in mechanical specifications of the seat and car, confirming this feasibility. Certainly, providing mechanical specifications for the seat and car requires examining more mannequins and their mechanical features, which this current study is unable to address.
Key Words
Design, Ergonomics, Driver's Seat, SimWise Software, Vibrations, Human Vibrations, Simulation
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