斜角探触子励起による積層平板材料中のラム波伝ぱ

林, 高弘; 川嶋, 絋一郎; 遠藤, 茂寿

日本機械学会論文集A編, 2001, 67(658), 1063-1070

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Identifier to cite or link to this item: https://hdl.handle.net/11094/88621

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Title
斜角探触子励起による積層平板材料中のラム波伝ぱ
Lamb wave propagation exited by angle beam transducers in layered plates
シャカク　タンショクシ　レイキ　ニ　ヨル　セキソウ　ヘイバン　ザイリョウ　チュウ　ノ　ラムハ　デンパ
Creator
NRID
1000030324479 1000030324479
ORCID
0000-0001-6064-4658 0000-0001-6064-4658
researchmap permalink
takahiro_hayashi takahiro_hayashi
Scopus Author ID
37064150200 37064150200
CreatorName
林, 高弘 ; ハヤシ, タカヒロ ; Hayashi, Takahiro
NRID
1000050023239 1000050023239
CreatorName
川嶋, 絋一郎 ; カワシマ, コウイチロウ ; Kawashima, Koichiro
CreatorName
遠藤, 茂寿 ; エンドウ, シゲヒサ
Subject
Angle beam transducer
Composite material
Lamb wave
Numerical analysis
Semi-analytical finite element method
Ultrasonic inspection
Abstract
Wave motion in a layered plate, including loading regions, were fomulized using the semi-analytical finite element method (strip element method) and calculated at every frequency step, which resulted in the simulations of Lamb wave exitated by angled beam transducers in the time domain. These calculations required less computational time and memory than the conventional methods such as FEM and BEM. The numerical results were visualized and the snapshots of Lamb wave propagation revealed the some phenomena regarding S 0 mode exitation and stress distributions of S 0 and A 0 mode. The pure S 0 mode cannot be exited by angle beam transducers due to its long wavelength in a low frequency thickness range. The normal stress in the propagation direction in S 0 and A 0 mode and shear stress in S 0 mode abruptly varied with the position in the thickness direction in a crossply plate.
Publisher
日本機械学会
The Japan Society of Mechanical Engineers
Source Title
日本機械学会論文集A編
Volume (Issue)
67(658)
Page
1063-1070
Date of Issued
2001-06-25
Language
English
Handle URL
https://hdl.handle.net/11094/88621
PISSN
03875008
eISSN
18848338
NCID
AN0018742X
AA11552999
Relation.isVersionOf
DOI (Publisher Version)
https://doi.org/10.1299/kikaia.67.1063
Access Rights
open access
oaire:version
Accepted Manuscript
Category
学術雑誌論文 Journal Article