Ultrasonic guided wave scattering in a plate overlap

Won Joon Song, Joseph L. Rose, Jose M. Galán, Ramón Abascal

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

Guided wave scattering in a plate overlap is investigated by numerical calculations and experimental measurements of transmission and reflection factors from the overlap region. In the numerical study, a hybrid boundary element-finite element method is used to calculate the guided wave scattered field from the overlap region. Transmission and reflection factors are calculated for incident A0 and S0 Lamb and n0 shear horizontal waves, including higher modes generated through mode conversion phenomena. In addition, parametric studies of transmission and reflection factors in this problem are performed numerically over various incident modes, frequencies, and overlap lengths. For verification and comparison with numerical results, experiments were conducted to measure the transmission and reflection factors for incident Lamb and shear horizontal waves in steel plates with two different overlap areas. The experimental results agree well with the numerical calculations. The numerical and experimental results show that it is highly feasible to carry out efficient Lamb wave nondestructive evaluation (NDE) in overlapped plates and in multilayer structures with various lap joints by selecting various modes and tuning frequency.

Original languageEnglish (US)
Pages (from-to)892-903
Number of pages12
JournalIEEE transactions on ultrasonics, ferroelectrics, and frequency control
Volume52
Issue number5
DOIs
StatePublished - May 1 2005

Fingerprint

Guided electromagnetic wave propagation
Ultrasonic waves
wave scattering
ultrasonics
Scattering
shear
lap joints
Lamb waves
Surface waves
laminates
finite element method
Multilayers
Tuning
tuning
steels
Finite element method
Steel
evaluation
Experiments

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Acoustics and Ultrasonics
  • Electrical and Electronic Engineering

Cite this

Song, Won Joon ; Rose, Joseph L. ; Galán, Jose M. ; Abascal, Ramón. / Ultrasonic guided wave scattering in a plate overlap. In: IEEE transactions on ultrasonics, ferroelectrics, and frequency control. 2005 ; Vol. 52, No. 5. pp. 892-903.
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Ultrasonic guided wave scattering in a plate overlap. / Song, Won Joon; Rose, Joseph L.; Galán, Jose M.; Abascal, Ramón.

In: IEEE transactions on ultrasonics, ferroelectrics, and frequency control, Vol. 52, No. 5, 01.05.2005, p. 892-903.

Research output: Contribution to journalArticle

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