Abstract
The study on shared mass damper (SMD) coupling two adjoining single-degree-of-freedom structure submitted to random ground excitation is presented. The linked structure’s equations of motion are deduced, and the acceleration and displacement responses are assessed. By utilizing Monte Carlo simulation to assess the linked structure, the response-control capacity of the SMD is evaluated. The effect of structural damping on performance of SMD linked dynamically well separated structure is evaluated. The effect of SMD stiffness, mass and damping on response behavior of the linked structure is investigated. The findings demonstrated that the damping element of the SMD connected to the stiff structure significantly affects the response enhancement, whereas, connected to the flexible structure affects marginally. Choosing the suitable stiffness value for the damper is essential for avoiding the flexible structure from responding uncontrollably. The large mass of the SMD is beneficial for response-enhancement of the coupled structure. The performance of SMD linked adjoining structures subjected to real earthquake excitation is also investigated.
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