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Title: Defect Localization By an Extended Laser Source on a Hemisphere
Authors: Veira Canle, D.
Mäkinen, J.
Blomqvist, R.
Gritsevich, M.
Salmi, A.
Hæggström, E.
Issue Date: 2021
Publisher: Nature Research
Springer Science and Business Media LLC
Citation: Defect Localization By an Extended Laser Source on a Hemisphere / D. Veira Canle, J. Mäkinen, R. Blomqvist et al. // Scientific Reports. — 2021. — Vol. 11. — Iss. 1. — 15191.
Abstract: The primary goal of this study is to localize a defect (cavity) in a curved geometry. Curved topologies exhibit multiple resonances and the presence of hotspots for acoustic waves. Launching acoustic waves along a specific direction e.g. by means of an extended laser source reduces the complexity of the scattering problem. We performed experiments to demonstrate the use of a laser line source and verified the experimental results in FEM simulations. In both cases, we could locate and determine the size of a pit in a steel hemisphere which allowed us to visualize the defect on a 3D model of the sample. Such an approach could benefit patients by enabling contactless inspection of acetabular cups. © 2021, The Author(s).
Access: info:eu-repo/semantics/openAccess
SCOPUS ID: 85111454099
PURE ID: 22976156
ISSN: 2045-2322
metadata.dc.description.sponsorship: Open access funded by University of Helsinki Library.
Appears in Collections:Научные публикации, проиндексированные в SCOPUS и WoS CC

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