An innovative negative stiffness-inerter hybrid control device toward seismic-resilient structures

Kiran, K. K.; Farsangi, Ehsan Noroozinejad; Gharehbaghi, Vahidreza

doi:10.1007/s41062-022-00904-x

Innov. Infrastruct. Solut.

2022

DOI: 10.1007/s41062-022-00904-x

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An innovative negative stiffness-inerter hybrid control device toward seismic-resilient structures

K. K. Kiran¹,

Ehsan Noroozinejad Farsangi²,

Vahidreza Gharehbaghi³

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Cited by 10 publications

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“…Some of the researchers carried out studies on inertia dampers in automobiles. These dampers show better performance in vibrations control of automobiles during suspensions [46][47][48][49] . Some of the applications of inertia damper on sloshing effects on cylindrical tank response control and optimum design parameter for seismic load are reported in the literature 50,51 .…”

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Optimum design and performance of a base-isolated structure with tuned mass negative stiffness inerter damper

Kiran

Al‐Osta

Ahmad

2023

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In order to increase the efficiency of the structures to resist seismic excitation, combinations of inerter, negative stiffness, and tuned mass damper are used. In the present work, the optimum tuning frequency ratio and damping of the tuned mass negative stiffness damper-inerter (TMNSDI) for the base-isolated structure were determined by employing the numerical searching technique under filtered white-noise earthquake excitation and stationary white noise. The energy dissipation index, the absolute acceleration, and the relative displacement of the isolated structure were considered as the optimum parameters, obtained by their maximization. Evaluations of base-isolated structures with and without TMNSDI under non-stationary seismic excitations were investigated. The efficiency of the optimally designed TMNSDI for isolated flexible structures in controlling seismic responses (pulse-type, and real earthquakes) were evaluated in terms of acceleration and displacement. A dynamic system was used for deriving the tuning frequency and tuned mass negative stiffness damper inerter (TMNSDI) for white noise excitation by using explicit formulae of the curve fitting method. The proposed empirical expressions, for design of base-isolated structures with supplementary TMNSDI, showed lesser error. Fragility curve results and story drift ratio indicate reduction in seismic response by 40% and 70% in base-isolated structure using TMNSDI.

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confidence: 99%

Optimum design and performance of a base-isolated structure with tuned mass negative stiffness inerter damper

Kiran

Al‐Osta

Ahmad

2023

Sci Rep

Self Cite

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A state-of-the-art review on negative stiffness mechanism for safer structures in seismic areas

Kolli

Bhatt

2022

Environ Sci Pollut Res

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An innovative hybrid methodology for vibration control of inerter-assisted sliding isolation system under harmonic excitation

Kiran,

Naveenkumar

2024

Asian J Civ Eng

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An innovative negative stiffness-inerter hybrid control device toward seismic-resilient structures

Cited by 10 publications

References 44 publications

Optimum design and performance of a base-isolated structure with tuned mass negative stiffness inerter damper

Optimum design and performance of a base-isolated structure with tuned mass negative stiffness inerter damper

A state-of-the-art review on negative stiffness mechanism for safer structures in seismic areas

An innovative hybrid methodology for vibration control of inerter-assisted sliding isolation system under harmonic excitation

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