Bumper Data The bumper element model is used to model contact force between a body and a globally fixed cursor or bumper, or contact forces between bodies: The model is particularly useful in the analysis of off shore installation operations, where deflectors / bumper bars are used to guide a module to its correct position and to protect existing equipment from impact damages. Bumper data defines connection between a body and a global position. Lift and drag force Docking Cone Positioning