Development of a dynamic vibration absorber in the form of a variable inertia pendulum

• Autorzy: Loch Piotr , Bugajewski Karol , Przybyłowicz Piotr , Chiliński Bogumił

Identyfikatory

DOI

10.17512/jamcm.2025.4.03

• Języki publikacji: EN

Abstrakty

EN

Nowadays, to maximize space utilization, multi-story buildings are designed to occupy as little surface area as possible. However, the high slenderness of these struc tures makes them susceptible to forces caused by factors such as wind and tectonic plate movements. Prolonged exposure to vibrations reduces the building’s lifespan and leads to its degradation. To minimize the impact of vibrations while maintaining slenderness and relatively low structural rigidity, a solution in the form of a dynamic vibration absorber can be applied. Structures already use absorbers in the form of pendulums, as seen in the Taipei 101 skyscraper, for example. The subject of study is an absorber in the form of a pendulum with a variable moment of inertia, achieved by extending the cable, which allows the structure to adapt to current forces. This significantly reduces the time of exposure to harmful influences. A skyscraper model with a variable-length pendulum was developed and analyzed through simulations, confirming the hypothesis of a significant reduction in exposure.

Słowa kluczowe

EN

damping; pendulum; pendulum with variable inertia; vibrations; dynamic vibration absorber; vibration control; adaptive damping system; vibration damping in skyscrapers; diagnostics; diagnostics in civil engineering

PL

tłumienie; wahadło; wahadło o zmiennej bezwładności; drgania; dynamiczny tłumik drgań; kontrola drgań; adaptacyjny układ tłumienia; tłumienie drgań w wieżowcach; diagnostyka; diagnostyka w budownictwie lądowym

• Wydawca: Wydawnictwo Politechniki Częstochowskiej
• Czasopismo: Journal of Applied Mathematics and Computational Mechanics
• Rocznik: 2025
• Tom: Vol. 24, nr 4
• Strony: 37--50
• Opis fizyczny: Bibliogr. 25 poz., rys., tab.

Twórcy

autor

Loch Piotr

• Faculty of Automotive and Construction Machinery Engineering, Warsaw University of Technology Warsaw, Poland

autor

Bugajewski Karol

• Faculty of Automotive and Construction Machinery Engineering, Warsaw University of Technology Warsaw, Poland

autor

Przybyłowicz Piotr

• Faculty of Automotive and Construction Machinery Engineering, Warsaw University of Technology Warsaw, Poland

autor

Chiliński Bogumił

• Faculty of Automotive and Construction Machinery Engineering, Warsaw University of Technology Warsaw, Poland

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr POPUL/SP/0154/2024/02 w ramach programu "Społeczna odpowiedzialność nauki II" - moduł: Popularyzacja nauki (2026).