Vibration of a mistuned three-bladed rotor under regular and chaotic excitations

• Autorzy: Warminski J. , Latalski J. , Szmit Z.

Identyfikatory

DOI

10.15632/jtam-pl.56.2.549

• Języki publikacji: EN

Abstrakty

EN

This study considers forced vibrations of a rotating structure consisting of a rigid hub and three flexible beams. The blades are nominally made of a multilayered laminate with a specific stacking sequence resulting in full isotropic macroscopic material behaviour. However, in the performed analysis it is assumed that the rotor has been mistuned because of manufacturing tolerances of the composite material. These inaccuracies are represented by deviations of reinforcing fibres orientations from their nominal values. The considered tolerances break the intended macroscopic material isotropy and make the laminate to exhibit the fully orthotropic behaviour. Based on previous authors research, the system of four mutually coupled dimensionless ordinary differential governing equations is adopted. Forced responses of the system under regular and chaotic excitations are investigated.

Słowa kluczowe

EN

rotating beam; multi-bladed rotor; rotor mistuning; chaotic oscillations

• Wydawca: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
• Czasopismo: Journal of Theoretical and Applied Mechanics
• Rocznik: 2018
• Tom: Vol. 56 nr 2
• Strony: 549--566
• Opis fizyczny: Bibliogr. 27 poz., rys., tab.

Twórcy

autor

Warminski J.

• Lublin University of Technology, Department of Applied Mechanics, Lublin, Poland

autor

Latalski J.

• Lublin University of Technology, Department of Applied Mechanics, Lublin, Poland

autor

Szmit Z.

• Lublin University of Technology, Department of Applied Mechanics, Lublin, Poland

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).