Lamb wave generation and reception with time-delay periodic linear arrays: a BEM simulation and experimental study

Wenhao Zhu; Joseph L. Rose

doi:10.1109/58.764852

Lamb wave generation and reception with time-delay periodic linear arrays: a BEM simulation and experimental study

Wenhao Zhu
, Joseph L. Rose

Research output: Contribution to journal › Article › peer-review

88 Scopus citations

Abstract

A time-delay periodic linear array model has been proposed for Lamb wave generation and reception in plates. The unilateral guided wave emitting and receiving have been achieved by applying the interference principle in the array designs. A hybrid BEM technique has been developed and applied to simulate the wave generation procedure with such arrays and to analyze the performance. Experimental results also are presented for two typical time-delay periodic arrays to qualitatively validate the theoretical designs. The effects of the array parameters on the array performance, such as the selectivity of Lamb modes and effectiveness of Lamb wave generation, are investigated through the 2-D phase velocity-frequency spectrum analyses as well as Lamb mode wave structure calculations.

Original language	English (US)
Pages (from-to)	654-664
Number of pages	11
Journal	IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
Volume	46
Issue number	3
DOIs	https://doi.org/10.1109/58.764852
State	Published - 1999

All Science Journal Classification (ASJC) codes

Instrumentation
Acoustics and Ultrasonics
Electrical and Electronic Engineering

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10.1109/58.764852

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title = "Lamb wave generation and reception with time-delay periodic linear arrays: a BEM simulation and experimental study",

abstract = "A time-delay periodic linear array model has been proposed for Lamb wave generation and reception in plates. The unilateral guided wave emitting and receiving have been achieved by applying the interference principle in the array designs. A hybrid BEM technique has been developed and applied to simulate the wave generation procedure with such arrays and to analyze the performance. Experimental results also are presented for two typical time-delay periodic arrays to qualitatively validate the theoretical designs. The effects of the array parameters on the array performance, such as the selectivity of Lamb modes and effectiveness of Lamb wave generation, are investigated through the 2-D phase velocity-frequency spectrum analyses as well as Lamb mode wave structure calculations.",

author = "Wenhao Zhu and Rose, \{Joseph L.\}",

note = "Funding Information: W. Z. gratefully acknowledges the visiting scholarship from Huazhong University of Science \& Technology, P.R. China, during the development of this work at the Pennsylvania State University.",

year = "1999",

doi = "10.1109/58.764852",

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journal = "IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control",

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T1 - Lamb wave generation and reception with time-delay periodic linear arrays

T2 - a BEM simulation and experimental study

AU - Zhu, Wenhao

AU - Rose, Joseph L.

N1 - Funding Information: W. Z. gratefully acknowledges the visiting scholarship from Huazhong University of Science & Technology, P.R. China, during the development of this work at the Pennsylvania State University.

PY - 1999

Y1 - 1999

N2 - A time-delay periodic linear array model has been proposed for Lamb wave generation and reception in plates. The unilateral guided wave emitting and receiving have been achieved by applying the interference principle in the array designs. A hybrid BEM technique has been developed and applied to simulate the wave generation procedure with such arrays and to analyze the performance. Experimental results also are presented for two typical time-delay periodic arrays to qualitatively validate the theoretical designs. The effects of the array parameters on the array performance, such as the selectivity of Lamb modes and effectiveness of Lamb wave generation, are investigated through the 2-D phase velocity-frequency spectrum analyses as well as Lamb mode wave structure calculations.

AB - A time-delay periodic linear array model has been proposed for Lamb wave generation and reception in plates. The unilateral guided wave emitting and receiving have been achieved by applying the interference principle in the array designs. A hybrid BEM technique has been developed and applied to simulate the wave generation procedure with such arrays and to analyze the performance. Experimental results also are presented for two typical time-delay periodic arrays to qualitatively validate the theoretical designs. The effects of the array parameters on the array performance, such as the selectivity of Lamb modes and effectiveness of Lamb wave generation, are investigated through the 2-D phase velocity-frequency spectrum analyses as well as Lamb mode wave structure calculations.

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JO - IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control

JF - IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control

IS - 3

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Lamb wave generation and reception with time-delay periodic linear arrays: a BEM simulation and experimental study

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