In practical situations where two interconnected systems are isolated from one another to prevent vibration transmission, isolators are inserted between the two systems. The ability of conical and cylindrical isolators to control longitudinal vibration transmission is investigated in this paper. Theoretical predictions obtained by means of finite element modeling are compared with experimental results. Both experimental and theoretical results have converged in pointing to the effectiveness and better performance of conical isolators compared to cylindrical isolators. While isolators investigated in this paper are made from plastic material called delrin, future investigations will compare conical and cylindrical isolators made from other types of material including composite material.

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