The Effect of Bumper Dimensions and Car Speed on Neck and Lower Back Forces

Vehicle vibrations significantly affect the health and comfort of driver passengers. The aim this study is to analyze effects vertical vehicle caused by speed bumpers on driver's lower back neck in terms forces. To achieve goal, a human biodynamic model with 11 degrees freedom was included half 5 freedom. This composite subjected half-sinusoidal shaped bumps different sizes (heights widths) speeds. equations motion system were solved using MATLAB (R2021a) find forces acting joint. In article, besides commenting cars passing through bumps, effect tried be deduced results are presented visually comparatively graphs. At end it concluded that mentioned should designed considering health. addition, biomechanical studies examining human-vehicle-road interaction, emphasized parameter values body determined more realistically.