Influence of Different Mechanical Parameters on the Dynamics of a Medical Device
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Abstract
In this paper, we will discuss the influence of some mechanical parameters on the dynamic characteristics of the motion of one medical device. The medical device is represented by a rigid solid situated on a shell (the support table). If the medical device does not move relative to the support shell, then the considered system has six degrees of freedom (4 rotations and 2 translations), otherwise, the dynamics of the mechanical system is more complicated. The mechanical system is put into the motion by a harmonic excitation given by an earthquake. We will consider in our paper only the case in which the medical device does not move with respect to the support shell. This thing can be obtained by increasing the friction force between the medical device and the shell (partial solution because it does not consider the contact loosing in the vertical direction) or by linking the medical device to the shell. Each medical device has certain specifications concerning the forces, velocities, or accelerations that it supports on different directions. Modifying the mechanical parameters of the system, the response differs from case to case, helping in the design process of the mechanical system.
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