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The article briefly shows how to estimate the safety of recreational water slides by numerical analysis of motion of the users. There are presented: mathematical description of a typical water slides geometry, simplified model of a sliding person, model of contact between the user and the inner surface of the slide, equations of motion written for a rigid body with 6 degrees of freedom and finally some sample results compared to the limitations set by current European Standard.

Safety of Recreational Water Slides: Numerical Estimation of the Trajectory, Velocities and Accelerations of Motion of the Users