Engineering and Computer Science Faculty Publications

Title

Structural Damping Identification for Mistuned Bladed Disks and Blisks

Document Type

Article

Publication Date

1-18-2012

Journal Title

Journal of Vibration and Acoustics

Volume

134

Issue

2

First Page

110

Last Page

3

Abstract

To accurately predict the dynamics of most structures, a representation of damping must be used. This paper focuses on structural damping and the identification of structural damping for complex systems with cyclic symmetry such as bladed disks and integrated (one-piece) bladed disks (blisks) with mistuning. The damping identification methodology is demonstrated together with two measurement filters for a complex structure, namely an integrated bladed disk with stiffness mistuning.

Keywords

Linear vibrations, decay methods, stiffness, mass