Influence of the pre-stress of the nonlinear membrane absorber for targeted energy transfer applied to 3D acoustic cavity
Sign Up to like & getrecommendations! Published in 2020 at "Journal of The Brazilian Society of Mechanical Sciences and Engineering"
DOI: 10.1007/s40430-020-02646-2
Abstract: The targeted energy transfer (TET) technique could be applied to reduce the low frequency noise by a nonlinear membrane absorber as nonlinear energy sink (NES) inside a tube or an acoustic cavity. The pre-stress of… read more here.
Keywords: pre stress; membrane; nonlinear membrane; acoustic cavity ... See more keywords
An isogeometric modeling and vibro-acoustic characteristics analysis of a double panel-acoustic cavity coupling system with in-plane functionally graded materials
Sign Up to like & getrecommendations! Published in 2025 at "Scientific Reports"
DOI: 10.1038/s41598-025-90826-2
Abstract: This study introduces vibro-acoustic modeling for a double panel-acoustic cavity coupling system with in-plane functionally graded materials (FGMs). Based on the excellent ability of isogeometric analysis (IGA) to conduct high-precision engineering analysis and model complex… read more here.
Keywords: system; panel; acoustic cavity; cavity coupling ... See more keywords
Unsteady Subsonic/Supersonic Flow Simulations in 3D Unstructured Grids over an Acoustic Cavity
Sign Up to like & getrecommendations! Published in 2024 at "Fluids"
DOI: 10.3390/fluids9040092
Abstract: In this study, the unsteady Reynolds-averaged Navier–Stokes (URANS) equations are employed in conjunction with the Menter Shear Stress Transport (SST)-Scale-Adaptive Simulation (SAS) turbulence model in compressible flow, with an unstructured mesh and complex geometry. While… read more here.
Keywords: unsteady subsonic; acoustic cavity; length scale; physics ... See more keywords
Vibro-Acoustic Energy Transmission Analysis of the Acoustic Cavity with Multiple Partial Partitions
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DOI: 10.3390/sym13122257
Abstract: The general dynamic characteristics of the acoustic cavity with multiple partial partitions are presented in this thesis. A theoretical model has been developed for predictions, and several configurations are analyzed. To describe the apertures on… read more here.
Keywords: energy; vibro acoustic; system; acoustic cavity ... See more keywords
Phonon Blockade in Parametrically Pumped Acoustic Cavity at Finite Temperature
Sign Up to like & getrecommendations! Published in 2023 at "Symmetry"
DOI: 10.3390/sym15010245
Abstract: In this study, we investigated the phonon blockade effect in a parametrically driven and dissipative acoustic cavity at finite temperature. With the approximated analytical results based on the steady-state density-matrix master equation, we found that… read more here.
Keywords: acoustic cavity; finite temperature; phonon blockade; phonon ... See more keywords