Simplified estimate of fatigue damage based on dynamic analysis

• Autorzy: Dekys V. , Kriska P , Lietava L. , Kopas P. , Stalmach O.

Identyfikatory

DOI

10.20858/sjsutst.2018.99.2

• Języki publikacji: EN

Abstrakty

EN

The article presents a procedure for vibration analysis of the device based on measured data in simulated operating modes. Subsequently, the criterion of fatigue damage is formulated because this mechanism can be induced or accelerated by recognized operating deflection shapes. The criterion is used to select an optimal set of control device parameter values, which control each device’s operating modes and transitions between these modes and affect the excitation of the frame vibration due to possible shocks in the system. The criterion is formulated based on the vibration displacement processing from these dynamic measurements, the modified Goodman and Palmgren-Miner rules, and the results of static computational analyse. This criterion compares the effect of damage to the modes that control these sets of parameters, while the selection of the optimal control set is performed. At the end of the article, the limitations resulting from the simplifications used are described. The application of this procedure is also useful, for example, when further data are obtained by subsequent experimental stress-strain analysis methods and when we want to reduce the number of possible operating modes by which we carry out subsequent measurements among the most damaging modes.

Słowa kluczowe

EN

vibration; optimization; fatigue damage; operating deflection shapes

PL

wibracja; optymalizacja; uszkodzenie zmęczeniowe

• Wydawca: Wydawnictwo Politechniki Śląskiej
• Czasopismo: Zeszyty Naukowe. Transport / Politechnika Śląska
• Rocznik: 2018
• Tom: z. 99
• Strony: 15--23
• Opis fizyczny: Bibliogr. 13 poz.

Twórcy

autor

Dekys V.

• Faculty of Mechanical Engineering, University of Žilina, Žilina, Univerzitná 8215/1, 010 26 Žilina, Slovakia

autor

Kriska P

• Design of TireTech, a.s., K výstavisku 107/13, 911 01 Trenčín, Slovakia

autor

Lietava L.

• Design of TireTech, a.s., K výstavisku 107/13, 911 01 Trenčín, Slovakia.

autor

Kopas P.

• Faculty of Mechanical Engineering, Žilinská univerzita v Žiline, Univerzitná 8215/1, 010 26 Žilina, Slovakia.

autor

Stalmach O.

• Faculty of Mechanical Engineering, University of Žilina, Žilina, Univerzitná 8215/1, 010 26 Žilina, Slovakia.

Bibliografia

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