Journal
JOURNAL OF ENGINEERING MECHANICS
Volume 136, Issue 1, Pages 31-39Publisher
ASCE-AMER SOC CIVIL ENGINEERS
DOI: 10.1061/(ASCE)EM.1943-7889.0000067
Keywords
Damage localization; Damage locating vectors; DLV: DDLV; SDLV; Ambient vibration: Identification; Damage; characterization; Transfer matrices; Operational loads; Health monitoring; Transfer matrices
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A method to interrogate changes in transfer matrices regarding damage localization is extended to cases where these changes cannot be experimentally obtained because the input is not known deterministically. The extension is realized by noting that the method does not require the transfer matrix change explicitly, but only vectors from its kernel, and that some of these vectors can be estimated-for a fictive collocated input distribution-from constraints between realization matrices and results Of all output-only identification. The interrogation approach, denoted as the stochastic dynamic damage locating vector method, is demonstrated in the context of simulations.
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