[EN] In a passive lossy acoustical system, sum rules derived from passivity explicitly relate the broadband response to the spatial dimension of the system, which provide important design criteria as well. In this work, ...
[EN] The acoustic response of a passive single point scatterer under grazing flow is shown theoretically and experimentally to have both monopolar and dipolar contributions. The monopolar response is dominated by the ...
[EN] Passive metamaterials provide efficient solutions for sound absorption in the low-frequency regime with deep subwavelength dimensions. They have been extensively applied in unidimensional reciprocal problems considering ...