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A comparison of the human body-seat model responses to several types of impulse excitations

Książek M. A., Łacny Ł.

Journal of Theoretical and Applied Mechanics

2014

Vol. 52 nr 3

839--845

The purpose of this paper is to present the response of a human body-seat model to the external disturbance in form of an impulse excitation. A 2-DOF Active Human Body Model with two distinct positions (“back-on” an “back-off”) is used in the simulations. Additionally, two different seat types are considered: rigid and passive. Several types of impulse excitations are used ranging in shape, amplitude and disturbance time. A comparison of the results is made: the first on the assumption of equal excitation energy, and the second one for impulses of equal amplitudes but different duration.