Local damage detection with the global fitting method using mode shape data in notched beams

Journal of Nondestructive Evaluation

Volumn 28, Issue 2, 2009, Pages 63-74

  Yoon, Myung Keun ^a   Heider, Dirk ^b   Gillespie Jr , John W ^b   Ratcliffe, Colin P ^c   Crane, Roger M ^d  

^a South Dakota School of Mines Technology   (United States)

^b UNIVERSITY OF DELAWARE   (United States)

^c UNITED STATES NAVAL ACADEMY   (United States)

^d NAVAL SURFACE WARFARE CENTER   (United States)

Author keywords

Damage detection; Global fitting method; Mode shape; Natural frequency; Structural irregularity index; Vibration

Indexed keywords

BACKGROUND NOISE; DAMAGE SIZE; DAMAGED STRUCTURES; DETECTION ALGORITHM; DYNAMIC CHARACTERISTICS; FINITE ELEMENT ANALYSIS; FREQUENCY RESPONSE FUNCTIONS; GAPPED SMOOTHING METHOD; GLOBAL FITTING; GLOBAL FITTING METHOD; GRID-SPACINGS; IRREGULARITY INDEX; MODAL PARAMETERS; MODE SHAPE; MODE SHAPES; NOTCHED BEAM; NUMERICAL RESULTS; QUANTITATIVE CRITERIA; STRUCTURAL DAMAGES; STRUCTURAL IRREGULARITY INDEX; THICKNESS RATIO; THICKNESS REDUCTION; VIBRATION;

DYNAMIC RESPONSE; FREQUENCY RESPONSE; LOCATION; MODAL ANALYSIS; NATURAL FREQUENCIES;

DAMAGE DETECTION;

EID: 67449087360     PISSN: 01959298     EISSN: 15734862     Source Type: Journal    
DOI: 10.1007/s10921-009-0048-6     Document Type: Article

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