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Novel Frame Model for Mistuning Analysis of Bladed Disk Systems

Research output: Contribution to journalArticle

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Novel Frame Model for Mistuning Analysis of Bladed Disk Systems. / Yuan, Jie; Scarpa, Fabrizio; Titurus, Branislav; Allegri , Giuliano; Patsias, Sophoclis; Rajasekaran, Ramesh.

In: Journal of Vibration and Acoustics, Vol. 139, No. 3, 031016, 01.06.2017.

Research output: Contribution to journalArticle

Harvard

Yuan, J, Scarpa, F, Titurus, B, Allegri , G, Patsias, S & Rajasekaran, R 2017, 'Novel Frame Model for Mistuning Analysis of Bladed Disk Systems', Journal of Vibration and Acoustics, vol. 139, no. 3, 031016. https://doi.org/10.1115/1.4036110

APA

Yuan, J., Scarpa, F., Titurus, B., Allegri , G., Patsias, S., & Rajasekaran, R. (2017). Novel Frame Model for Mistuning Analysis of Bladed Disk Systems. Journal of Vibration and Acoustics, 139(3), [031016]. https://doi.org/10.1115/1.4036110

Vancouver

Yuan J, Scarpa F, Titurus B, Allegri G, Patsias S, Rajasekaran R. Novel Frame Model for Mistuning Analysis of Bladed Disk Systems. Journal of Vibration and Acoustics. 2017 Jun 1;139(3). 031016. https://doi.org/10.1115/1.4036110

Author

Yuan, Jie ; Scarpa, Fabrizio ; Titurus, Branislav ; Allegri , Giuliano ; Patsias, Sophoclis ; Rajasekaran, Ramesh. / Novel Frame Model for Mistuning Analysis of Bladed Disk Systems. In: Journal of Vibration and Acoustics. 2017 ; Vol. 139, No. 3.

Bibtex

@article{76a4103b2b3243989faa34097af0cfff,
title = "Novel Frame Model for Mistuning Analysis of Bladed Disk Systems",
abstract = "The work investigates the application of a novel frame model to reduce the computational cost of the mistuning analysis of bladed disc systems. A full-scale finite element (FE) model of the bladed disc is considered as benchmark. The single blade frame configuration is identified via an optimization process. The individual blades are then assembled by 3D springs, whose parameters are determined via calibration process. The dynamics of the novel beam frame assembly is also compared to those obtained from three state-of-the-art FE-based reduced order models (ROMs): a lumped parameter approach; a Timoshenko beam assembly, and component mode synthesis (CMS) based techniques with free and fixed interfaces. The development of these classical ROMs to represent the bladed disc is also addressed in detail. A methodology to perform the mistuning analysis is then proposed and implemented. A comparison of the modal properties and forced response dynamics between theaforementioned ROMs and the full-scale FE model is presented. The case study demonstrates that the beam frame assembly can predict the variations of the blade amplitude factors with results being in agreement with the full-scale FE model. The CMS based ROMs underestimate the maximum amplitude factor, while the results obtained from beam frame assembly are generally conservative.The beam frame assembly is 4 times more computationally efficient than the CMS fixed-interface approach. This study proves that the beam frame assembly can efficiently predict the mistuning behavior of bladed discs when low order modes are of interest.",
author = "Jie Yuan and Fabrizio Scarpa and Branislav Titurus and Giuliano Allegri and Sophoclis Patsias and Ramesh Rajasekaran",
year = "2017",
month = "6",
day = "1",
doi = "10.1115/1.4036110",
language = "English",
volume = "139",
journal = "Journal of Vibration and Acoustics",
issn = "1048-9002",
publisher = "American Society of Mechanical Engineers (ASME)",
number = "3",

}

RIS - suitable for import to EndNote

TY - JOUR

T1 - Novel Frame Model for Mistuning Analysis of Bladed Disk Systems

AU - Yuan, Jie

AU - Scarpa, Fabrizio

AU - Titurus, Branislav

AU - Allegri , Giuliano

AU - Patsias, Sophoclis

AU - Rajasekaran, Ramesh

PY - 2017/6/1

Y1 - 2017/6/1

N2 - The work investigates the application of a novel frame model to reduce the computational cost of the mistuning analysis of bladed disc systems. A full-scale finite element (FE) model of the bladed disc is considered as benchmark. The single blade frame configuration is identified via an optimization process. The individual blades are then assembled by 3D springs, whose parameters are determined via calibration process. The dynamics of the novel beam frame assembly is also compared to those obtained from three state-of-the-art FE-based reduced order models (ROMs): a lumped parameter approach; a Timoshenko beam assembly, and component mode synthesis (CMS) based techniques with free and fixed interfaces. The development of these classical ROMs to represent the bladed disc is also addressed in detail. A methodology to perform the mistuning analysis is then proposed and implemented. A comparison of the modal properties and forced response dynamics between theaforementioned ROMs and the full-scale FE model is presented. The case study demonstrates that the beam frame assembly can predict the variations of the blade amplitude factors with results being in agreement with the full-scale FE model. The CMS based ROMs underestimate the maximum amplitude factor, while the results obtained from beam frame assembly are generally conservative.The beam frame assembly is 4 times more computationally efficient than the CMS fixed-interface approach. This study proves that the beam frame assembly can efficiently predict the mistuning behavior of bladed discs when low order modes are of interest.

AB - The work investigates the application of a novel frame model to reduce the computational cost of the mistuning analysis of bladed disc systems. A full-scale finite element (FE) model of the bladed disc is considered as benchmark. The single blade frame configuration is identified via an optimization process. The individual blades are then assembled by 3D springs, whose parameters are determined via calibration process. The dynamics of the novel beam frame assembly is also compared to those obtained from three state-of-the-art FE-based reduced order models (ROMs): a lumped parameter approach; a Timoshenko beam assembly, and component mode synthesis (CMS) based techniques with free and fixed interfaces. The development of these classical ROMs to represent the bladed disc is also addressed in detail. A methodology to perform the mistuning analysis is then proposed and implemented. A comparison of the modal properties and forced response dynamics between theaforementioned ROMs and the full-scale FE model is presented. The case study demonstrates that the beam frame assembly can predict the variations of the blade amplitude factors with results being in agreement with the full-scale FE model. The CMS based ROMs underestimate the maximum amplitude factor, while the results obtained from beam frame assembly are generally conservative.The beam frame assembly is 4 times more computationally efficient than the CMS fixed-interface approach. This study proves that the beam frame assembly can efficiently predict the mistuning behavior of bladed discs when low order modes are of interest.

U2 - 10.1115/1.4036110

DO - 10.1115/1.4036110

M3 - Article

VL - 139

JO - Journal of Vibration and Acoustics

JF - Journal of Vibration and Acoustics

SN - 1048-9002

IS - 3

M1 - 031016

ER -