FINITE ELEMENT MODEL FOR ANALYSIS OF CHARACTERISTICS OF SHROUDED ROTOR BLADE VIBRATIONS


Abstract

The paper presents the approaches to FE modelling of blade airfoil, contact between the shrouds and operational damage. The regularities are established concerning the influence of the finite element type, finite element mesh and model of contact interaction on the spectrum of natural frequencies of blade assemblies. The use of the developed computational models is substantiated to determine the forced vibration characteristics of the selected objects of investigation. Based on the performed numerical experiments it was substantiated of finite element model selection for analysis of characteristics of shrouded rotor blade vibrations.


Keywords

FE modeling; modal analysis; forced vibration analysis; shrouded blade; nonlinear vibrations

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Published : 2022-12-30


Zinkovskii, A., Savchenko, K., Onyshchenko, Y., Polishchuk, L., Nazerke, A., & Zhumazhanov, B. (2022). FINITE ELEMENT MODEL FOR ANALYSIS OF CHARACTERISTICS OF SHROUDED ROTOR BLADE VIBRATIONS. Informatyka, Automatyka, Pomiary W Gospodarce I Ochronie Środowiska, 12(4), 11-16. https://doi.org/10.35784/iapgos.3264

Anatoliy Zinkovskii 
G.S. Pisarenko Institute for Problems of Strength of the National Academy of Sciences of Ukraine  Ukraine
http://orcid.org/0000-0003-0803-7054
Kyrylo Savchenko 
G.S. Pisarenko Institute for Problems of Strength of the National Academy of Sciences of Ukraine  Ukraine
http://orcid.org/0000-0002-9690-9758
Yevheniia Onyshchenko 
1G.S. Pisarenko Institute for Problems of Strength of the National Academy of Sciences of Ukraine, 2Department of Oscillations and Vibration Reliability  Ukraine
http://orcid.org/0000-0001-7550-8544
Leonid Polishchuk  leo.polishchuk@gmail.com
Vinnytsia National Technical University  Ukraine
http://orcid.org/0000-0002-5916-2413
Abilkaiyr Nazerke 
Al-Farabi Kazakh National University  Kazakhstan
http://orcid.org/0000-0003-1603-5577
Bagashar Zhumazhanov 
Institute of Information and Computing Technologies of the CS MES of RK  Kazakhstan
http://orcid.org/0000-0002-5035-9076