Acoustic Wave Phenomena Research
External reference: https://openalex.org/T10822
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Chirality affects microcritical, not macrocritical, stability Analysis of periodic lattice metamaterials with rigid joints shows chirality affects microscale stability but not macroscale stability, enabling tailored critical mode activation.
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Thermal tuning enables directional broadband acoustic absorption Thermal control of air properties enables broadband, direction-dependent acoustic absorption in a programmable non-Hermitian metastructure without geometric modifications.
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Nonreciprocal stiffness and damping decouple wave control in elastic lattices Nonreciprocal elastic lattices with engineered damping enable decoupled control of wave amplification and propagation, allowing independent tuning of temporal growth and velocity characteristics.
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Optimized tunable acoustic switch uses asymmetric scatterers Multiobjective optimization of tunable acoustic switches using multiresonant asymmetric scatterers in sonic crystals, combining Bragg and local resonance bandgaps for switchable transmission.
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Outer-ligament design increases stiffness and broadens bandgaps Novel auxetic metamaterial designs with enhanced outer ligaments achieve 54.57% higher stiffness and broader elastic bandgaps, resolving traditional trade-offs through geometric optimization.
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Multimodal nonlinear acoustics in two- and three-dimensional curved ducts A weakly nonlinear model of duct acoustics in two and three dimensions accommodates curvature, torsion, and width variation, enabling analysis of wave steepening in curved ducts.
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Beam integration reduced low-frequency impact sound in CLT floors Beam integration in CLT floors reduces low-frequency impact noise; LAFmax metric demonstrates strong perceptual validity for floor-impact design in timber construction.