Virtual and actual vibration testing on rotating structures using continuously-scanning LDV technique

D. Di Maio*, D. J. Ewins

*Corresponding author for this work

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

Abstract

Recently, a software platform has been developed to simulate and to perform most of the vibration measurement tests using the Tracking-Continuous Scanning LDV methods, such as straight-line and circular scans, both on structures under stationary and under rotating conditions. Mathematical models of all CSLDV methods to simulate the LDV outp ut are also included in the software platform as well as the traditional Step-Scanning approach. The software platform can be used in one of two modes: (i) first, to conduct a 'virtual test' to explain various proposed test configurations in order to define an optimum test specification, and (ii) second, to carry out an actual measurement, including driving the scanning mirrors, acquiring data and quickly post-processing data for an immediate inspection of the ODS of the vibrating structures.

Original languageEnglish
Title of host publicationIMAC-XXIII
Subtitle of host publicationConference and Exposition on Structural Dynamics - Structural Health Monitoring
Publication statusPublished - 2005
Externally publishedYes
Event23rd Conference and Exposition on Structural Dynamics 2005, IMAC-XXIII - Orlando, United States
Duration: 31 Jan 20053 Feb 2005
Conference number: 23

Publication series

NameConference Proceedings of the Society for Experimental Mechanics Series
ISSN (Print)2191-5644
ISSN (Electronic)2191-5652

Conference

Conference23rd Conference and Exposition on Structural Dynamics 2005, IMAC-XXIII
Abbreviated titleIMAC 2005
CountryUnited States
CityOrlando
Period31/01/053/02/05

Keywords

  • Bladed disc
  • Continuous scan
  • Laser Doppler Vibrometer
  • ODS
  • Virtual test simulation

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