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Inverse design of multifunctional acoustic metamaterials with ventilation and directional acoustic control
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PRE
AI
J
G
H
H
DOI：10.1016/j.tws.2025.113875.png)
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Abstract
En 中文
• A novel GRPM structure integrates directional noise control with ventilation capabilities. • Synergistic absorption is achieved via rainbow trapping, wave interference, and porous dissipation. • Resonator neck positioning modulates wave propagation and critically affects absorption efficiency. • A hybrid DNN–GA inverse design enables efficient dual-port optimisation for tailored asymmetric absorption. • Optimised GRPM (D1) achieves low-frequency broadband sound absorption over 284-2000 Hz.
Keywords:
GRPM
directional noise control
rainbow trapping
DNN–GA inverse design
low-frequency broadband absorption
Journal
T
IF:
6.6
Papers:
1.1W
Citations:
4.0W
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Cited Papers