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Vibration and Fatigue Study of an Inerter-Based Isolation System


Čakmak, Damjan; Božić, Željko; Wolf, Hinko; Tomičević, Zvonimir
Vibration and Fatigue Study of an Inerter-Based Isolation System // ICSID2018 - 2nd International Conference on Structural Integrity and Durability 2018 Conference Proceedings / Božić, Željko (ur.).
Zagreb, 2018. str. 1-5 (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)


Naslov
Vibration and Fatigue Study of an Inerter-Based Isolation System

Autori
Čakmak, Damjan ; Božić, Željko ; Wolf, Hinko ; Tomičević, Zvonimir

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
ICSID2018 - 2nd International Conference on Structural Integrity and Durability 2018 Conference Proceedings / Božić, Željko - Zagreb, 2018, 1-5

Skup
ICSID2018 - International Conference on Structural Integrity and Durability 2018

Mjesto i datum
Dubrovnik, Hrvatska, 02-05.10.2018

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Vibration isolation ; fatigue life ; inerter ; finite element method ; helical spring correction factor

Sažetak
This paper presents an analysis of vibration-induced fatigue in a generalized, one degree-of-freedom vibration isolation system. The system consists of a receiving body and a dynamically active base, coupled through a passive isolator. The isolator consists of a spring and an inerter. Modal damping is considered. A broad frequency band harmonic base excitation is assumed. Several parametric vibration systems are analysed where the receiving body vibration minimization and a coupling helical spring fatigue life are used as an isolation quality criterion. Analytical and finite element methods are employed and compared for proposed benchmark verification. Vibration and fatigue improvements can be observed due to the inclusion of an inerter in the isolator. Novel helical spring stress and deflection correction factors are derived and compared with the finite element method results.

Izvorni jezik
Engleski

Znanstvena područja
Strojarstvo



POVEZANOST RADA


Ustanove
Fakultet strojarstva i brodogradnje, Zagreb