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Compensation of staircase-induced boundary absorption errors in FDTD simulation
INTER-NOISE and NOISE-CON Congress and Conference ProceedingsFinite-difference time-domain (FDTD) methods are popular for wave-based simulations because their regular grid enables highly efficient implementation, especially on parallel processing architectures. On the flip side, these methods exhibit errors caused
Jan W. Smits
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Absorption Characteristics of Nonlinear Acoustic Resonators
The Journal of the Acoustical Society of America, 1968In the present note, which is a supplement to a previous paper [U. Ingard and H. Ising, J. Acoust. Soc. Amer. 42, 6–17 (1967)] on the nonlinear impedance of an orifice, the absorption characteristics of a nonlinear resonator absorber have been computed as a function of frequency for different values of design parameters and incident sound-pressure ...
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Electromagnetically induced acoustic transparency and absorption
Journal of Experimental and Theoretical Physics Letters, 2002The possibility of controlling the passage (from transmission to absorption) of a hypersound through a low-temperature paramagnet using the resonance electromagnetic pumping of lower frequency is substantiated. The effect has a quantum nature and is analogous to (though somewhat different from) the optical phenomenon of electromagnetically induced ...
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Acoustical Impedance and Absorption Coefficients
American Journal of Physics, 1949Wallace A. Hilton, L. B. Ham
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Plate-type acoustic metamaterials for acoustic absorption.
2020Romero-García, Vicente +9 more
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Sound absorptive light comprising nanofibrous resonant membrane applicable in room acoustics
, 2017 Klára Kalinová
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