Finite Element Modelling of Rubber-Metal Vibration Isolators with Holes for the Vibration Protection System of Buildings

Finite Element Modelling of Rubber-Metal Vibration Isolators with Holes for the Vibration Protection System of Buildings

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The article presents a calculation of rubber-metal vibration isolators with five holes of different diameters using a software package that implements the finite element Machine Washable Area Rug method.A comparative analysis of the Eigen frequencies of rubber-metal vibration isolators with five holes (one in the center, 4 symmetrically at the corners) and without holes is presented.Finite element models of a rubber-metal vibration isolator with and without holes are modeled, and their characteristics are analyzed.

The results show that vibration isolators with several symmetrically located holes have several advantages in a number of parameters to vibration isolators without holes, and, therefore, can be Wall Mounts used for vibration isolation of buildings, especially in the case of delayed installation of vibration protection.