Updating of finite element models by means of measured information
DOI: 10.1016/0045-7949(91)90373-T
Title: Updating of finite element models by means of measured information
Journal Title: Computers & Structures
Volume: 40
Issue: 2
Publication Date: 1991
Start Page: 475
End Page: 486
Published online: online 13 February 2003
ISSN: 0045-7949
Affiliations:
  • Institute of Applied Mechanics, University of Kaiserslautern, D-6750 Kaiserslautern, Germany
  • Abstract: r deals with the Updating of computational models for elasto-mechanical vibrating structures. The Updating procedure is based on system identification techniques using an incorrect model on the one hand and measured data of the real system on the other. Some approaches with different types of measurement data are discussed. For practical realization the finite element program ADINA is combined with a nonlinear optimization algorithm and measured transfer functions are used for the correction of the design parameters. The application of the procedure is demonstrated by means of three examples.

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