3D‐Printed Lattice Structures for Sound Absorption: Current Progress, Mechanisms and Models, Structural‐Property Relationships, and Future Outlook
The reduction of noises, achieved through absorption, is of paramount importance to the
well‐being of both humans and machines. Lattice structures, defined as architectured …
well‐being of both humans and machines. Lattice structures, defined as architectured …
[HTML][HTML] A review of the thermal and acoustic properties of materials for timber building construction
M Caniato, A Marzi, SM da Silva… - Journal of Building …, 2021 - Elsevier
Nowadays, there is a vast need to calculate performances of timber constructions. Usually,
simulations are implemented to predict buildings elements final performances. Here, the …
simulations are implemented to predict buildings elements final performances. Here, the …
Origami-based acoustic metamaterial for tunable and broadband sound attenuation
Noise reduction is of critical importance in many engineering applications. One way to
achieve noise reduction is using acoustic metamaterials. However, traditional acoustic …
achieve noise reduction is using acoustic metamaterials. However, traditional acoustic …
[HTML][HTML] Multifunctional and customizable lattice structures for simultaneous sound insulation and structural applications
With noises being omnipresent in the modern society, sound-insulating materials are
implemented in almost all walks of life. For implementations in practical applications, those …
implemented in almost all walks of life. For implementations in practical applications, those …
Acoustic properties of multilayer sound absorbers with a 3D printed micro-perforated panel
This paper investigates the acoustic absorption capability of a multilayer micro-perforated
panel absorber (MPPA) whose front layer is produced by additive manufacturing. The MPPA …
panel absorber (MPPA) whose front layer is produced by additive manufacturing. The MPPA …
[HTML][HTML] Periodically alternated elastic support induced topological phase transition in phononic crystal beam systems
Determining strong robustness in flexural wave propagation in beam systems has always
been a promising achievement with various real-life applications such as energy harvesting …
been a promising achievement with various real-life applications such as energy harvesting …
Broadband quasi-perfect sound absorption by a metasurface with coupled resonators at both low-and high-amplitude excitations
This study presents an acoustic metasurface (AM) consisting of coupled Helmholtz
resonators with extended necks (HRENs) to effectively absorb broadband sound waves at …
resonators with extended necks (HRENs) to effectively absorb broadband sound waves at …
Customisable sound absorption properties of functionally graded metallic foams
In this study, functionally graded foam made of Inconel 625 superalloy was successfully
produced using the template replication method, with open-cell polyurethane foams as a …
produced using the template replication method, with open-cell polyurethane foams as a …
Acoustic characterizations of Helmholtz resonators with extended necks and their checkerboard combination for sound absorption
This study presents a thin absorber for low-frequency noise mitigation based on a Helmholtz
resonator with an extended neck (HREN). An analytical model is established based on the …
resonator with an extended neck (HREN). An analytical model is established based on the …
Acoustic absorption modeling of single and multiple coiled-up resonators
A Magnani, C Marescotti, F Pompoli - Applied Acoustics, 2022 - Elsevier
This work proposes an improved design procedure of sound absorption metamaterials
consisting of acoustic coiled-up quarter-wave resonators that fit into a limited space, in order …
consisting of acoustic coiled-up quarter-wave resonators that fit into a limited space, in order …