Browse Publications Technical Papers 02-16-02-0011

Numerical Analysis of Wind-Break Fences for Truck Stability in Crosswind 02-16-02-0011

This also appears in SAE International Journal of Commercial Vehicles-V132-2EJ

Several accidents on the highways are due to strong crosswind conditions. The effectiveness of wind-break fences on a sudden strong crosswind has been investigated for a generic truck model. Two wind-break fences have been designed for stretching the rise time of aerodynamic loads. The dynamic response of the vehicle to crosswind while exiting a tunnel is simulated. Moving mesh CFD simulations and vehicle dynamics simulations are used to assess the effectiveness of the fences based on a safety index and the maximum lateral displacement of the vehicle. The proposed fences mitigate sudden aerodynamic loads and avoid the rollover of the vehicle.


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