Detection of cracks in a thin air-filled hollow cylinder by application of the DORT method to elastic components of the echo

Ultrasonics

Volumn 40, Issue 1-8, 2002, Pages 715-720

  Kerbrat, E ^a   Clorennec, D ^a   Prada, C ^a   Royer, D ^a   Cassereau, D ^a   Fink, M ^a  

^a CNRS   (France)

Author keywords

Crack; DORT method; Hollow cylinder; Lamb waves; Nondestructive evaluation

Indexed keywords

ACOUSTIC WAVE SCATTERING; CRACKS; CYLINDERS (SHAPES); EIGENVALUES AND EIGENFUNCTIONS; NATURAL FREQUENCIES; NONDESTRUCTIVE EXAMINATION; TRANSDUCERS;

LAMB WAVES;

ACOUSTIC WAVE PROPAGATION;

EID: 0036565926     PISSN: 0041624X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0041-624X(02)00199-3     Document Type: Conference Paper

References (5)

1. Eigenmodes of the time reversal operator: A solution to selective focusing in multiple target media
2. Detection and imaging in complex media with the D.O.R.T. method
3. Highly resolved detection and selective focusing in a waveguide using the D.O.R.T. method
4. Separation of interfering acoustic scattered signals using the invariant of the time-reversal operator. Application to Lamb waves characterization
5. Decomposition of the time reversal operator: Detection and selective focusing on two scatterers