Influence of Baffles on Longitudinal Liquid Sloshing and Vehicle Dynamics of Liquid Tanker
In order to study the influence of baffles on liquid longitudinal sloshing and vehicle dynamics of liquid tanker,the liq-uid longitudinal sloshing force prediction and dynamics analysis were carried out.Firstly,the longitudinal acceleration excita-tion was applied to the tank based on the computational fluid dynamics(CFD)software FLUENT to obtain the longitudinal slosh force and slosh moment of the liquid in the tank with or without baffles at different filling rates.Based on the simulation data,the prediction model of longitudinal sloshing of liquid in tank with or without baffles was trained by Elman neural network,and a simplified longitudinal dynamics model of a biaxial liquid tanker was established.Through the simulation of linear braking con-dition,the responses of braking distances under different arrangements of baffles are investigated.The results show that the El-man neural network prediction model can effectively predict the force of the tank with or without the baffles.The tank with baffles can reduce the braking distance of the vehicle and the arrangement of the baffles with small two ends(equal spacing)and large middle has a smaller braking distance,which is conducive to the longitudinal braking stability of the liquid tanker.
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