Optimal damper allocation in shear buildings with tuned mass dampers and viscous dampers Online publication date: Thu, 04-Jan-2018
by Huseyin Cetin; Ersin Aydin; Baki Ozturk
International Journal of Earthquake and Impact Engineering (IJEIE), Vol. 2, No. 2, 2017
Abstract: In this study, a hybrid passive optimal control method is proposed to find the optimal damping coefficients of VDs and a TMD in shear building structures The damping coefficients of TMD and VDs are taken as design variables in the optimisation problem. In first stage of the proposed algorithm, a simple optimisation problem to find the optimal damping coefficients is resolved by using some numerical optimisation methods such as Differential Evolution, Nelder Mead and Simulated Annealing. The target structural response is defined with achieving the allowable level of all interstorey drift ratios (IDR). The proposed method is applied to a six-storey shear building model with VD&TMD. The variation of the upper limits of damping coefficients, the variation of storey mass and stiffness are also investigated in the numerical examples. The investigated method is effective to find the optimal damper allocation in the mixed passive control system.
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