Simulation and experimental validation of gas-engine blade dynamics during milling

S. Nikolaev, I. Kiselev, V. Kuts, S. Voronov

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    1 Citation (Scopus)

    Abstract

    This paper is dedicated to the simulation of turbine blade milling dynamics taking into account stock and machine tool dynamic properties for accurate prediction of unsafe milling modes. Its important to note that blade eigenfrequencies and damping ratios which largely determine system dynamics vary during machining due to material removal. The special methodology is proposed to identify blade modal parameters and update its finite-element model. Damping-frequency dependencies were built for each mode shape with least-squares fitting and used for precise milling dynamics simulation in special 3DCUT software. The proposed methodology is tested on a case of rational milling modes analysis for the gas-engine blade. The results of milling simulation are in a good agreement with experimental results, therefore proposed methodology can be extended to other parts such as bladed disks, engine stators, flexible body parts.

    Original languageEnglish
    Title of host publicationProceedings of ISMA 2018 - International Conference on Noise and Vibration Engineering and USD 2018 - International Conference on Uncertainty in Structural Dynamics
    EditorsD. Moens, W. Desmet, B. Pluymers, W. Rottiers
    PublisherKU Leuven - Departement Werktuigkunde
    Pages3527-3534
    Number of pages8
    ISBN (Electronic)9789073802995
    Publication statusPublished - 2018
    Event28th International Conference on Noise and Vibration Engineering, ISMA 2018 and 7th International Conference on Uncertainty in Structural Dynamics, USD 2018 - Leuven, Belgium
    Duration: 17 Sep 201819 Sep 2018

    Publication series

    NameProceedings of ISMA 2018 - International Conference on Noise and Vibration Engineering and USD 2018 - International Conference on Uncertainty in Structural Dynamics

    Conference

    Conference28th International Conference on Noise and Vibration Engineering, ISMA 2018 and 7th International Conference on Uncertainty in Structural Dynamics, USD 2018
    Country/TerritoryBelgium
    CityLeuven
    Period17/09/1819/09/18

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