A novel limit distribution for the analysis of randomly mistuned bladed disks

Marc Mignolet; Chung Chih Lin

doi:10.1115/96-GT-414

A novel limit distribution for the analysis of randomly mistuned bladed disks

Marc Mignolet, Chung Chih Lin

Mechanical and Aerospace Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

5 Scopus citations

Abstract

A recently introduced perturbation technique is employed to derive a novel closed form model for the probability density function of the resonant and near-resonant, steady state amplitude of blade response in randomly mistuned disks. In its most general form, this model is shown to involve six parameters but, in the important practical case of a pure stiffness (or frequency) mistiming, only three parameters are usually sufficient to completely specify this distribution. A series of numerical examples are presented that demonstrate the extreme reliability of this three-parameter model in accurately predicting the entire probability density function of the amplitude of response, and in particular the large amplitude tail of this distribution which is the most critical effect of mistuning.

Original language	English (US)
Title of host publication	Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General
Publisher	American Society of Mechanical Engineers
ISBN (Electronic)	9780791878767
DOIs	https://doi.org/10.1115/96-GT-414
State	Published - 1996
Event	ASME 1996 International Gas Turbine and Aeroengine Congress and Exhibition, GT 1996 - Birmingham, United Kingdom Duration: Jun 10 1996 → Jun 13 1996

Publication series

Name	ASME 1996 International Gas Turbine and Aeroengine Congress and Exhibition, GT 1996
Volume	5

Other

Other	ASME 1996 International Gas Turbine and Aeroengine Congress and Exhibition, GT 1996
Country/Territory	United Kingdom
City	Birmingham
Period	6/10/96 → 6/13/96

ASJC Scopus subject areas

Energy Engineering and Power Technology
Fuel Technology
Nuclear Energy and Engineering
Aerospace Engineering
Mechanical Engineering

Access to Document

10.1115/96-GT-414

Cite this

Mignolet, M., & Lin, C. C. (1996). A novel limit distribution for the analysis of randomly mistuned bladed disks. In Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General (ASME 1996 International Gas Turbine and Aeroengine Congress and Exhibition, GT 1996; Vol. 5). American Society of Mechanical Engineers. https://doi.org/10.1115/96-GT-414

A novel limit distribution for the analysis of randomly mistuned bladed disks. / Mignolet, Marc; Lin, Chung Chih.
Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General. American Society of Mechanical Engineers, 1996. (ASME 1996 International Gas Turbine and Aeroengine Congress and Exhibition, GT 1996; Vol. 5).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Mignolet, M & Lin, CC 1996, A novel limit distribution for the analysis of randomly mistuned bladed disks. in Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General. ASME 1996 International Gas Turbine and Aeroengine Congress and Exhibition, GT 1996, vol. 5, American Society of Mechanical Engineers, ASME 1996 International Gas Turbine and Aeroengine Congress and Exhibition, GT 1996, Birmingham, United Kingdom, 6/10/96. https://doi.org/10.1115/96-GT-414

Mignolet M, Lin CC. A novel limit distribution for the analysis of randomly mistuned bladed disks. In Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General. American Society of Mechanical Engineers. 1996. (ASME 1996 International Gas Turbine and Aeroengine Congress and Exhibition, GT 1996). doi: 10.1115/96-GT-414

Mignolet, Marc ; Lin, Chung Chih. / A novel limit distribution for the analysis of randomly mistuned bladed disks. Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General. American Society of Mechanical Engineers, 1996. (ASME 1996 International Gas Turbine and Aeroengine Congress and Exhibition, GT 1996).

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A novel limit distribution for the analysis of randomly mistuned bladed disks

Abstract

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