The combined closed form-perturbation approach to the analysis of mistimed bladed disks

Marc Mignolet; C. C. Lin

doi:10.1115/1.2929315

The combined closed form-perturbation approach to the analysis of mistimed bladed disks

Marc Mignolet, C. C. Lin

Mechanical and Aerospace Engineering

Research output: Contribution to journal › Article › peer-review

29 Scopus citations

Abstract

A two-step method is presented for the determination of reliable approximations of the probability density function of the forced response of a randomly mistuned bladed disk. Under the assumption of linearity, an integral representation of the probability density function of the blade amplitude is first derived. Then, deterministic perturbation techniques are employed to produce simple approximations of this function. The adequacy of the method is demonstrated by comparing several approximate solutions with simulation results.

Original language	English (US)
Pages (from-to)	771-780
Number of pages	10
Journal	Journal of Turbomachinery
Volume	115
Issue number	4
DOIs	https://doi.org/10.1115/1.2929315
State	Published - Oct 1993

ASJC Scopus subject areas

Mechanical Engineering

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10.1115/1.2929315

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title = "The combined closed form-perturbation approach to the analysis of mistimed bladed disks",

abstract = "A two-step method is presented for the determination of reliable approximations of the probability density function of the forced response of a randomly mistuned bladed disk. Under the assumption of linearity, an integral representation of the probability density function of the blade amplitude is first derived. Then, deterministic perturbation techniques are employed to produce simple approximations of this function. The adequacy of the method is demonstrated by comparing several approximate solutions with simulation results.",

author = "Marc Mignolet and Lin, {C. C.}",

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N2 - A two-step method is presented for the determination of reliable approximations of the probability density function of the forced response of a randomly mistuned bladed disk. Under the assumption of linearity, an integral representation of the probability density function of the blade amplitude is first derived. Then, deterministic perturbation techniques are employed to produce simple approximations of this function. The adequacy of the method is demonstrated by comparing several approximate solutions with simulation results.

AB - A two-step method is presented for the determination of reliable approximations of the probability density function of the forced response of a randomly mistuned bladed disk. Under the assumption of linearity, an integral representation of the probability density function of the blade amplitude is first derived. Then, deterministic perturbation techniques are employed to produce simple approximations of this function. The adequacy of the method is demonstrated by comparing several approximate solutions with simulation results.

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The combined closed form-perturbation approach to the analysis of mistimed bladed disks

Abstract

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