Article (Scientific journals)
Ultrasound monitoring of multiphase architectured media: Bandgap tracking via the measurement of the reflection coefficient
Gattin, Max; Bochud, Nicolas; Grossman, Quentin et al.
2024In Applied Acoustics, 217, p. 109844
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Keywords :
Additive manufacturing; Bio-mimicking architectured material; Elastic waves; Reflection coefficient; Ultrasonic bandgap; Architectured materials; Bio-mimicing architectured material; Biomimicking; Bone tissue; Measurements of; Multiphases; Phononic Crystal; Tissue repair; Ultrasound monitoring; Acoustics and Ultrasonics
Abstract :
[en] Characterizing the mechanics of periodic scaffolds used for bone tissue repair, while maintaining their structural integrity, is a challenging problem. By leveraging concepts arising from the bulk phononic crystal community, here we investigate the reflection of elastic waves propagating through a water-immersed biphasic architectured medium in the ultrasonic regime. Towards this goal, Bloch–Floquet analysis is applied on a 2D unit cell made of a soft inclusion embedded in a hard matrix, to recover its corresponding phononic band structure. Exploring the modal conversion at the boundary between the homogeneous incident medium and the architectured one allows identifying a bandgap within the considered frequency range, which exhibits a significant sensitivity to varying volume fraction of the soft phase. Conducting further numerical analyzes, which account for the viscoelasticity of the two constituent phases, along with the finite-size and bounded nature of the architectured medium, shows that a sudden amplitude rise of the reflection coefficient takes place at a frequency that is closely related to the upper limit of this bandgap. This hypothesis is experimentally verified on 3D-printed bio-mimicking samples, which exhibit an in-plane periodicity at a length scale of a few hundred micrometers. Altogether, the reported results suggest that tracking prohibited frequency bands via the measurement of the reflection coefficient allows for the monitoring of micro-architectured media like scaffolds.
Disciplines :
Materials science & engineering
Author, co-author :
Gattin, Max;  Univ Paris Est Creteil, Univ Gustave Eiffel, CNRS, UMR 8208, MSME, Créteil, France
Bochud, Nicolas ;  Univ Paris Est Creteil, Univ Gustave Eiffel, CNRS, UMR 8208, MSME, Créteil, France
Grossman, Quentin ;  Université de Liège - ULiège > Aérospatiale et Mécanique (A&M)
Ruffoni, Davide  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Mécanique des matériaux biologiques et bioinspirés
Rosi, Giuseppe ;  Univ Paris Est Creteil, Univ Gustave Eiffel, CNRS, UMR 8208, MSME, Créteil, France
Naili, Salah ;  Univ Paris Est Creteil, Univ Gustave Eiffel, CNRS, UMR 8208, MSME, Créteil, France
Language :
English
Title :
Ultrasound monitoring of multiphase architectured media: Bandgap tracking via the measurement of the reflection coefficient
Publication date :
15 February 2024
Journal title :
Applied Acoustics
ISSN :
0003-682X
eISSN :
1872-910X
Publisher :
Elsevier Ltd
Volume :
217
Pages :
109844
Peer reviewed :
Peer Reviewed verified by ORBi
Funding text :
The authors are in debt to Pierre Margerit (Arts et Métiers Institute of Technology, CNRS, CNAM, PIMM, HESAM Université, Paris, France) for the fruitful discussions regarding the Bloch wave analysis. This work was partially supported by the “Bonus Qualité Recherche” for young researchers (Faculté des Sciences et Technologie, Université Paris-Est Créteil, France) and the CNRS/IRP Coss&Vita between the Fédération Francilienne de Mécanique (F2M, CNRS FR2609, France) and the International Research Center for Mathematics & Mechanics of Complex Systems (M&MoCS, Università dell'Aquila, Italy).The authors are in debt to Pierre Margerit (Arts et Métiers Institute of Technology, CNRS, CNAM, PIMM, HESAM Université, Paris, France) for the fruitful discussions regarding the Bloch wave analysis. This work was partially supported by the “Bonus Qualité Recherche” for young researchers (Faculté des Sciences et Technologie, Université Paris-Est Créteil , France) and the CNRS/IRP Coss&Vita between the Fédération Francilienne de Mécanique (F2M, CNRS FR2609, France) and the International Research Center for Mathematics & Mechanics of Complex Systems (M&MoCS, Università dell'Aquila, Italy).
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