An enhanced Bayesian approach for damage identification utilizing prior knowledge from refined elemental modal strain energy ratios

An enhanced Bayesian approach for damage identification utilizing prior knowledge from refined elemental modal strain energy ratios

Abstract This study proposes a novel Bayesian damage identification method that uses an Improved Elemental Modal Strain Energy Ratio (IEMSER) to guide a sparse prior distribution. Measured frequencies and mode shapes develop the IEMSER indicator for preliminary damage assessment, forming the basis f...

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Bibliographic Details
Main Authors: Li Chen, Hui Chen, Lu-ling Liu
Format: Article
Language:English
Published: Nature Portfolio 2025-01-01
Series:Scientific Reports
Subjects:
Damage identification
Bayesian
Modal strain energy ratio
Sparse prior
Online Access:https://doi.org/10.1038/s41598-024-84315-1
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