Relevant bibliographies by topics / Acoustic-elastic coupling

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Acoustic-elastic coupling'

Author: Grafiati
Published: 1 June 2024
Last updated: 31 July 2025

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Journal articles on the topic "Acoustic-elastic coupling"

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Chaplain, Gregory J., Dan Moore, Ian Hooper, Alastair Hibbins, John Sambles, and Timothy Starkey. "Beyond-nearest-neighbour metamaterials." Journal of the Acoustical Society of America 154, no. 4_supplement (2023): A156. http://dx.doi.org/10.1121/10.0023108.

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Engineering the dispersion of acoustic or elastic waves using coupling terms that spatially reach beyond the immediate local environment, or unit cell, is an “emerging topic” in Metamaterial design. In this talk, we present experimental studies in acoustic and elastic systems that realize beyond-nearest-neighbour coupling to introduce dispersion relations with extrema within the first Brilloun Zone. In acoustics, we use mixed waveguide-surfacewave coupling, while in elasticity we develop an elastic scaffold (made from meccano) with reconfigurable coupling elements and demonstrate the effects o
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Shin, Ye Jeong, Hong Min Seung, and Joo Hwan Oh. "Fluid-like elastic metasurface." Applied Physics Letters 122, no. 10 (2023): 101701. http://dx.doi.org/10.1063/5.0139336.

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What makes elastic waves different from other waves is the existence of various wave modes and coupling between these modes. Accordingly, the manipulation of elastic waves suffers from many limitations due to mode coupling, which is an inherent complex physical property of elastic waves. In this study, we propose fluid-like elastic metasurfaces that act as an acoustic (fluid) surface to perfectly eliminate mode coupling. Because longitudinal and shear waves are decoupled, only reflected longitudinal (or shear) waves exist when longitudinal (or shear) waves are incident. Using a strip-type unit
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Cui, Huaifeng, Rufu Hu, and Nan Chen. "Modelling and analysis of acoustic field in a rectangular enclosure bounded by elastic plates under the excitation of different point force." Journal of Low Frequency Noise, Vibration and Active Control 36, no. 1 (2017): 43–55. http://dx.doi.org/10.1177/0263092317693488.

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The coupled acoustic field of fully elastic plate model is described by the modal analysis method. The acoustic potential energy resonance peaks of the fully elastic plate model are significantly more than that of the one elastic plate model due to the influence of the vibration of multi elastic plates. The acoustic field characteristics of the fully elastic plate model are analyzed when the primary excitation source is applied on the different elastic plates. The results show that the coupled acoustic field of the fully elastic plate model is dominated by the structural mode of the elastic pl
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Gao, Longfei, and David Keyes. "Explicit coupling of acoustic and elastic wave propagation in finite-difference simulations." GEOPHYSICS 85, no. 5 (2020): T293—T308. http://dx.doi.org/10.1190/geo2019-0566.1.

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We present a mechanism to explicitly couple the finite-difference discretizations of 2D acoustic and isotropic elastic-wave systems that are separated by straight interfaces. Such coupled simulations allow for the application of the elastic model to geological regions that are of special interest for seismic exploration studies (e.g., the areas surrounding salt bodies), with the computationally more tractable acoustic model still being applied in the background regions. Specifically, the acoustic wave system is expressed in terms of velocity and pressure while the elastic wave system is expres
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Dong, Kaiyuan, Yiwen Lv, Peng Wang, Wei Cheng, and Han Li. "Acoustic properties of underwater acoustic metamaterials based on multi-physical field coupling model." Journal of Physics: Conference Series 2713, no. 1 (2024): 012006. http://dx.doi.org/10.1088/1742-6596/2713/1/012006.

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Abstract In this paper, according to the internal structure of underwater acoustic metamaterial, a multi-physical field coupling model of underwater acoustic metamaterial is established by using finite element analysis. Based on the model, the influence of typical underwater acoustic metamaterial structure and material parameters on sound absorption performance is studied. The results show that increasing the height or radius of the local resonance mass unit in the metamaterial is beneficial to improve the low frequency sound absorption performance. With the increase of the distance between ma
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Norris, Andrew N., and Douglas A. Rebinsky. "Acoustic coupling to membrane waves on elastic shells." Journal of the Acoustical Society of America 95, no. 4 (1994): 1809–29. http://dx.doi.org/10.1121/1.408688.

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Yoon, Gil Ho. "Unified Analysis with Mixed Finite Element Formulation for Acoustic-Porous-Structure Multiphysics System." Journal of Computational Acoustics 23, no. 01 (2015): 1550002. http://dx.doi.org/10.1142/s0218396x15500022.

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This research aims to develop a novel unified analysis method for an acoustic-porous-structure multiphysics interaction system when the porous medium is modeled by the empirical Delany–Bazley formulation. Multiphysics analysis of acoustic structure interaction is commonly performed by solving the linear elasticity and Helmholtz equations separately and enforcing a mutual coupling boundary condition. If the pressure attenuation from a porous material is additionally considered, the multiphysics analysis becomes highly intricate, because three different media (acoustic, porous, and elastic struc
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MAR-OR, ASSAF, and DAN GIVOLI. "A FINITE ELEMENT STRUCTURAL-ACOUSTIC MODEL OF COUPLED MEMBRANES." Journal of Computational Acoustics 12, no. 04 (2004): 605–18. http://dx.doi.org/10.1142/s0218396x04002407.

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A simple model displaying structural-acoustic behavior is considered. The model comprises of two parallel infinitely-long flat membranes lying on elastic foundations and the acoustic medium separating them. The structural-acoustic coupling manifests itself in that a vibrational excitation of one of the membranes triggers vibrations in the other. The governing equations are stated, and the associated finite element formulation is constructed. The model is then analyzed numerically and its vibrational properties are investigated. The proposed model is especially simple, being two-dimensional and
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Hsiao, Fu-Li, Ying-Pin Tsai, Wei-Shan Chang, Chien-Chang Chiu, Bor-Shyh Lin, and Chi-Tsung Chiang. "Photo-Elastic Enhanced Optomechanic One Dimensional Phoxonic Fishbone Nanobeam." Crystals 12, no. 7 (2022): 890. http://dx.doi.org/10.3390/cryst12070890.

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We investigated the strength of acousto-optical (AO) interaction in one-dimensional fishbone silicon nanobeam computationally. The structure can generate phononic and photonic band gaps simultaneously. We use defect cavity optical mode and slow light mode to interact with acoustic defect modes. The AO coupling rates are obtained by adding the optical frequency shifts, which result from photo-elastic effect and moving-boundary effect disturbances. The AO coupling rates are strongly dependent on the overlap of acoustic and optical mode distribution. The strength of AO interaction can be enhanced
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Jiao, Ren Qiang, Jian Run Zhang, and Dong Lu. "Research on Acoustic Radiation Characteristic for Cylindrical Structure with Elastic Plate Cap in Mid-Frequency Region." Key Engineering Materials 656-657 (July 2015): 706–11. http://dx.doi.org/10.4028/www.scientific.net/kem.656-657.706.

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An advanced method named hybrid FE-SEA method was introduced to study the acoustic radiation characteristic for cylindrical structure with elastic plate cap in medium-frequency region. This method consists of the finite element method (FEM) for low-frequency region and the statistical energy analysis (SEA) for high-frequency region, which can be employed to deal with the problem of acoustic radiation result from model coupling of elastic connection effectively. According to the FE-SEA theory, a hybrid model of cylindrical structure with elastic plate cap was built to validated whether the hybr
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Dissertations / Theses on the topic "Acoustic-elastic coupling"

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Nassor, Alice. "Domain decomposition method for acoustic-elastic coupled problems in time-domain. Application to underwater explosions." Electronic Thesis or Diss., Institut polytechnique de Paris, 2023. http://www.theses.fr/2023IPPAE015.

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Ce travail étudie les approches globales en temps de décomposition de domaine pour résoudre des problèmes transitoires d'interaction fluide-structure. Afin de déterminer un algorithme optimal, nous étudions dans un premier temps la solvabilité des problèmes élastodynamiques et acoustiques transitoires avec des conditions aux frontières de type Robin et de Neumann. Nous énonçons des résultats de solvabilité, en soulignant les différentes régularités espace-temps des solutions. Nous étudions également la solvabilité du problème couplé élastodynamique-acoustique transitoire. Puis en nous basant s
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Hepburn, Carolyna. "Dynamic interplay between the magnetization and surface acoustic waves in magnetostrictive Fe1-xGax thin films." Electronic Thesis or Diss., Paris 6, 2017. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2017PA066622.pdf.

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Récemment, beaucoup d'efforts ont été consacrés au contrôle de l'aimantation dans les nanostructures par d'autres moyens qu'un champ magnétique externe. En effet, le but est de miniaturiser les dispositifs et il est difficile d'imposer un champ magnétique présentant de faibles dimensions latérales. D'autre part, les ondes de spin ouvrent actuellement de nouvelles perspectives dans le traitement de l'information. Les avantages qu'elles présentent sont les suivants: longueurs d'onde nanométriques, à comparer à celles des ondes électromagnétiques dans la même gamme de fréquences (GHz-THz), et abs
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Hepburn, Carolyna. "Dynamic interplay between the magnetization and surface acoustic waves in magnetostrictive Fe1-xGax thin films." Thesis, Paris 6, 2017. http://www.theses.fr/2017PA066622/document.

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Récemment, beaucoup d'efforts ont été consacrés au contrôle de l'aimantation dans les nanostructures par d'autres moyens qu'un champ magnétique externe. En effet, le but est de miniaturiser les dispositifs et il est difficile d'imposer un champ magnétique présentant de faibles dimensions latérales. D'autre part, les ondes de spin ouvrent actuellement de nouvelles perspectives dans le traitement de l'information. Les avantages qu'elles présentent sont les suivants: longueurs d'onde nanométriques, à comparer à celles des ondes électromagnétiques dans la même gamme de fréquences (GHz-THz), et abs
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Parpiiev, Tymur. "Ultrafast magneto-acoustics in magnetostrictive materials." Thesis, Le Mans, 2017. http://www.theses.fr/2017LEMA1044/document.

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Avec l’avènement du laser femtoseconde il est devenu possible de mesurer comment la démagnétisation femtoseconde peut permettre de sonder l’interaction d’échange dans les métaux ferromagnétiques. La démagnétisation induite par laser d’un matériau avec un fort couplage magnéto-élastique amène à la relaxation des contraintes mécaniques, générant ainsi des ondes acoustiques longitudinales (L) et transversales (T). Dans ce travail de thèse, la génération d’impulsions acoustiques picosecondes T par le mécanisme de démagnétostriction dans des matériaux fortement magnétostrictifs est traitée analytiq
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Yevstafyev, Oleksandr. "Instabilité explosive des ondes magneto-élastiques." Phd thesis, Ecole Centrale de Lille, 2011. http://tel.archives-ouvertes.fr/tel-00607191.

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Les instabilités paramétriques non linéaires (NL) ont été observées sur les ondes magnéto-élastiques dans le cas d'un couplage de trois quasi-phonons sous pompage électromagnétique. La théorie en prédit une dynamique supercritique explosive, mais limitée expérimentalement par le décalage de fréquence dû aux fortes nonlinéarités. La dynamique supercritique des instabilités paramétriques NL est étudiée dans deux matériaux antiferromagnétiques "plan facile" (AFEP): l'hématite α-Fe2O3 et le borate de fer FeBO3. Ces matériaux possèdent une très grande NL acoustique effective en raison du couplage m
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Book chapters on the topic "Acoustic-elastic coupling"

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deGroot-Hedlin, Catherine, and John Orcutt. "T-phase Observations in Northern California: Acoustic to Seismic Coupling at a Weakly Elastic Boundary." In Monitoring the Comprehensive Nuclear-Test-Ban Treaty: Hydroacoustics. Birkhäuser Basel, 2001. http://dx.doi.org/10.1007/978-3-0348-8270-5_5.

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Eberle, Sarah. "FEM-BEM Coupling of Wave-Type Equations: From the Acoustic to the Elastic Wave Equation." In Trends in Mathematics. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-47174-3_7.

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Bentarki, Houda, Abdelkader Makhoute, and Tőkési Karoly. "Signatures of the Mode Symmetries in Sapphire PhoXonic Cavities." In Advances in Systems Analysis, Software Engineering, and High Performance Computing. IGI Global, 2023. http://dx.doi.org/10.4018/979-8-3693-0497-6.ch007.

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The acousto-optic couplings mechanisms are investigated theoretically in photonic and phononic crystals with simultaneous band gaps. The authors have focused on the acousto-optic couplings inside a phoXonic cavity by taking into account two coupling mechanisms, the photo elastic effect and effect of movement of the interfaces. They discuss the symmetry of modes to distinguish those that don't interfere in an efficient way. They calculate the modulation of the frequency of the photonic mode during a period of acoustic oscillations with a finite element method (FE) (COMSOL®Multiphysics). The two
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"8. Coupling of acoustic and elastic waves in phononic crystals." In Phononic Crystals. De Gruyter, 2020. http://dx.doi.org/10.1515/9783110641189-008.

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Miles, Zebadiah, Bharath Shenoy, Tarun Das, et al. "Embedded EMAT for Inspection of Non-Conductive Samples." In Studies in Applied Electromagnetics and Mechanics. IOS Press, 2025. https://doi.org/10.3233/saem250041.

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This work presents a novel non-contact sensor system for non-conductive materials, aiming to address the limitations of traditional nondestructive evaluation (NDE) techniques. The research focuses on the development of an Electromagnetic Acoustic Transducer (EMAT) that can excite elastic waves in non-conductive samples using two configurations (a) direct and (b) induced. Unlike conventional ultrasonic methods that require physical coupling, the proposed EMAT technique uses patch type of coils to excite waves in a non-contact manner. Numerical simulations were validated experimentally, and the
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Zhang, Guibao, Fengjiao Wang, and Qiyou Cheng. "Research on the Impact of Acoustic and Vibration Characteristics of Noise Reduction Panels in Helicopter Cabins." In Frontiers in Artificial Intelligence and Applications. IOS Press, 2024. https://doi.org/10.3233/faia241467.

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The main reducer structure noise is one of the main sources of noise in the helicopter cabin. By controlling this noise, further noise reduction in the helicopter cabin can be achieved. To this end, a proposal has been made to add vibration isolation design to the connecting partition between the main reducer and the cabin, reducing the transmission of gear vibration to the airframe from the transmission path. To verify the mid-high frequency vibration reduction and noise reduction performance of this scheme, a dynamic model of the acoustic-vibration coupling system of the cabin section struct
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Conference papers on the topic "Acoustic-elastic coupling"

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Shao, Mingyue, Wan Chen, Xiaoqing Xing, Boyan Cai, Jimei Wu, and Xingshui Zhao. "Primary Resonance Characteristics Of PET Membranes Based On Coupling Of Temperature And Elastic Modulus Parameters." In 2024 18th Symposium on Piezoelectricity, Acoustic Waves, and Device Applications (SPAWDA). IEEE, 2024. https://doi.org/10.1109/spawda63926.2024.10878842.

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Krenz, Lukas, Carsten Uphoff, Thomas Ulrich, et al. "3D acoustic-elastic coupling with gravity." In SC '21: The International Conference for High Performance Computing, Networking, Storage and Analysis. ACM, 2021. http://dx.doi.org/10.1145/3458817.3476173.

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Nesemann, L. "Numerical Acoustic-elastic Coupling and Curved Boundaries for RTM." In 76th EAGE Conference and Exhibition 2014. EAGE Publications BV, 2014. http://dx.doi.org/10.3997/2214-4609.20141185.

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Bartolo*, Leandro Di, Ana Paula Gomes Vieira, Cleberson Dors, and Webe João Mansur. "Memory optimized acoustic-elastic FD coupling for offshore seismic simulations." In SEG Technical Program Expanded Abstracts 2015. Society of Exploration Geophysicists, 2015. http://dx.doi.org/10.1190/segam2015-5905882.1.

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Di Bartolo, Leandro, Cleberson Dors, and Webe João Mansur. "An efficient and simple acoustic-elastic FD coupling for offshore seismic simulations." In SEG Technical Program Expanded Abstracts 2012. Society of Exploration Geophysicists, 2012. http://dx.doi.org/10.1190/segam2012-1320.1.

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Filipe, M., and T. Ha-Duong. "A Coupling of FEM-BEM for Elastic Structure in a Transient Acoustic Field." In ASME 1995 Design Engineering Technical Conferences collocated with the ASME 1995 15th International Computers in Engineering Conference and the ASME 1995 9th Annual Engineering Database Symposium. American Society of Mechanical Engineers, 1995. http://dx.doi.org/10.1115/detc1995-0393.

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Abstract We propose in this paper a space-time variational formulation for the scattering problem of transient acoustic waves in a fluid medium with a submerged elastic object. The problem is first reduced to a coupling problem between partial differential equations and boundary integral equations and an energy formula given in terms of the unknowns of this coupling problem. The variational formulation follows then. A space-time finite element method based on this formulation gives rise to a time-stepping scheme with both volume and surface spatial elements as variables.
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Shepard, W. Steve, Kenneth A. Cunefare, and Jerry H. Ginsberg. "Identifying Critical Elastic Scales in Structural-Acoustic Models." In ASME 1995 Design Engineering Technical Conferences collocated with the ASME 1995 15th International Computers in Engineering Conference and the ASME 1995 9th Annual Engineering Database Symposium. American Society of Mechanical Engineers, 1995. http://dx.doi.org/10.1115/detc1995-0415.

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Abstract The level of detail required for accurate structural acoustic modeling of fluid loaded structures remains an issue of significant debate. Analytical solutions are rarely available, and discrete numerical solutions are typically too complex for ready extraction of physical understanding. In addition, numerical techniques introduce their own explicit scales, through the minimum mesh dimension. However, the wavenumber based formulation of the surface variational principle describes the surface pressure and displacement as a comparatively small set of interacting waves. Coupling the SVP w
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Willemsen, Bram, and Alison Malcolm. "Coupling a local elastic solver to a background acoustic model to estimate phase variation." In SEG Technical Program Expanded Abstracts 2016. Society of Exploration Geophysicists, 2016. http://dx.doi.org/10.1190/segam2016-13867595.1.

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Muhlestein, Michael B., Benjamin M. Goldsberry, Caleb F. Sieck, and Michael R. Haberman. "Analytical and Numerical Investigation of Scattering From Bianisotropic Acoustic Media." In ASME 2017 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/imece2017-72672.

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Scattering from fluid domains with dissimilar material properties is of foundational importance to many application areas in acoustics and elastic wave propagation. For example, biomedical ultrasound and sonar both make use of acoustic field scattering for localization, imaging, and identification of objects. The theory of acoustic scattering from fluid and elastic materials is well established and has been validated with numerical and physical experiments. Recent work in acoustic and elastic meta-materials has shown that materials with subwavelength asymmetry have a macroscopic response chara
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Yang, Mingsui, Yanting Ai, and Song Xiang. "Coupling of FEM and Exterior/Interior Acoustic Field with BEM and Numerical Simulation of Vibro-Acoustic Response of Elastic Target." In 2010 International Conference on Measuring Technology and Mechatronics Automation (ICMTMA 2010). IEEE, 2010. http://dx.doi.org/10.1109/icmtma.2010.534.

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