Stochastic model updating: Part 2 - application to a set of physical structures

JE Mottershead, C Mares, S James, MI Friswell

Research output: Contribution to journalArticle (Academic Journal)

60 Citations (Scopus)


The application of a stochastic model updating technique using Monte-Carlo inverse propagation and multivariate multiple regression to converge a set of analytical models with randomized updating parameters upon a set of nominally identical physical structures is considered. The structure in question is a short beam manufactured from two components, one of folded steel and the other flat. The two are connected by two rows of spot welds. The main uncertainty in the model is concerned with the spot weld but there is also considerable manufacturing variability, principally in the radii of the folds.
Original languageEnglish
Pages (from-to)2171 - 2185
Number of pages15
JournalMechanical Systems and Signal Processing
Publication statusPublished - Nov 2006

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