Dispersion behaviors of antisymmetric flexural modes propagating along wedges with bilinear cross sections

Che Hua Yang; Chun Zen Tsen

doi:10.1143/JJAP.44.4189

Dispersion behaviors of antisymmetric flexural modes propagating along wedges with bilinear cross sections

Che Hua Yang^*, Chun Zen Tsen

^*Corresponding author for this work

Department of Mechanical Engineering

Chang Gung University

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

Abstract

This study is focused on exploring the dispersion behaviors of anti symmetric flexural (ASF) modes propagating along a bilinear wedge (BW). A BW is wedge whose cross section has two apex angles, as opposed to a linear wedge (LW) whose cross section has a single apex angle. In the literature, many studies regarding the dispersion behaviors of ASF modes have been reported for LWs, but not for BWs. In this study, a laser ultrasonic technique is used to investigate the dispersion behavior of BW-ASF modes. It is determined that a BW-ASF mode arises as a result of mode coupling between two LW-ASF modes of the same order corresponding to the two apex angles of the BW.

Original language	English
Pages (from-to)	4189-4193
Number of pages	5
Journal	Japanese Journal of Applied Physics
Volume	44
Issue number	6 A
DOIs	https://doi.org/10.1143/JJAP.44.4189
State	Published - 06 2005

Keywords

Bilinear wedge
Dispersion
Laser ultrasound technique
Mode coupling

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10.1143/JJAP.44.4189

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abstract = "This study is focused on exploring the dispersion behaviors of anti symmetric flexural (ASF) modes propagating along a bilinear wedge (BW). A BW is wedge whose cross section has two apex angles, as opposed to a linear wedge (LW) whose cross section has a single apex angle. In the literature, many studies regarding the dispersion behaviors of ASF modes have been reported for LWs, but not for BWs. In this study, a laser ultrasonic technique is used to investigate the dispersion behavior of BW-ASF modes. It is determined that a BW-ASF mode arises as a result of mode coupling between two LW-ASF modes of the same order corresponding to the two apex angles of the BW.",

keywords = "Bilinear wedge, Dispersion, Laser ultrasound technique, Mode coupling",

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AU - Tsen, Chun Zen

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N2 - This study is focused on exploring the dispersion behaviors of anti symmetric flexural (ASF) modes propagating along a bilinear wedge (BW). A BW is wedge whose cross section has two apex angles, as opposed to a linear wedge (LW) whose cross section has a single apex angle. In the literature, many studies regarding the dispersion behaviors of ASF modes have been reported for LWs, but not for BWs. In this study, a laser ultrasonic technique is used to investigate the dispersion behavior of BW-ASF modes. It is determined that a BW-ASF mode arises as a result of mode coupling between two LW-ASF modes of the same order corresponding to the two apex angles of the BW.

AB - This study is focused on exploring the dispersion behaviors of anti symmetric flexural (ASF) modes propagating along a bilinear wedge (BW). A BW is wedge whose cross section has two apex angles, as opposed to a linear wedge (LW) whose cross section has a single apex angle. In the literature, many studies regarding the dispersion behaviors of ASF modes have been reported for LWs, but not for BWs. In this study, a laser ultrasonic technique is used to investigate the dispersion behavior of BW-ASF modes. It is determined that a BW-ASF mode arises as a result of mode coupling between two LW-ASF modes of the same order corresponding to the two apex angles of the BW.

KW - Bilinear wedge

KW - Dispersion

KW - Laser ultrasound technique

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JO - Japanese Journal of Applied Physics

JF - Japanese Journal of Applied Physics

IS - 6 A

ER -

Dispersion behaviors of antisymmetric flexural modes propagating along wedges with bilinear cross sections

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Keywords

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