Crack identification in beam by antiresonant frequencies | Zendy

Nguyen Tien Khiem | Zendy; Nguyen Minh Tuan | Zendy; Pham Thi Ba Lien | Zendy

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Crack identification in beam by antiresonant frequencies

Author(s) -

Nguyen Tien Khiem,

Nguyen Minh Tuan,

Pham Thi Ba Lien

Publication year - 2021

Publication title -

vietnam journal of mechanics

Language(s) - English

Resource type - Journals

eISSN - 2815-5882

pISSN - 0866-7136

DOI - 10.15625/0866-7136/16710

Subject(s) - antiresonance , cantilever , beam (structure) , structural engineering , identification (biology) , acoustics , materials science , engineering , physics , piezoelectricity , botany , biology

The present paper deals with the concept of antiresonance in multiple cracked beams and application for multi-crack identification. First, governing equations for antiresonant frequency are conducted and used for both computing antiresonant frequencies versus crack parameters and measuring-loading colocation and identifying cracks by measured antiresonant frequencies. Then, a procedure is proposed for crack identification in cantilever beam by antiresonant frequencies based on the so-called crack scanning method. Theoretical development is illustrated by numerical examples.

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