Modification of surfaces of steel details using graphite electrode plasma

Savulyak, V.I.; Shenfel'D, V. S.; Dmytriiev, M.; Молодецька, Т. І.; Tverdomed, Volodymyr; Komada, Paweł; Ormanbekova, A.; Turgynbekov, Y.

doi:10.1201/9781003225447-13

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Object Of Investigation and General Approaches To Its Finite...1

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2022

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“…The only exceptions are those zones where irregular geometric shapes are observed, for instance, at the connections of the blades and the shrouds, as well as within areas containing different damages. Due to the specific geometric features, the model includes domains with different types of mesh [2,6,11].…”

Section: Object Of Investigation and General Approaches To Its Finite...mentioning

confidence: 99%

Finite Element Model for Analysis of Characteristics of Shrouded Rotor Blade Vibrations

Zinkovskii

Savchenko²,

Onyshchenko³

et al. 2022

IAPGOS

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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.

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Section: Object Of Investigation and General Approaches To Its Finite...mentioning

confidence: 99%