Computational Accuracy and Efficiency of Room Acoustics Simulation Using a Frequency Domain FEM with Air Absorption: 2D Study [PDF]
Applied Sciences, 2023 Recently, to simulate sound propagation inside architectural spaces at high frequencies, the application of computationally expensive wave-based numerical methods to room acoustics simulation is increasing gradually.
Takeshi Okuzono
doaj +3 more sources
On the Use of Perforated Sound Absorption Systems for Variable Acoustics Room Design [PDF]
Buildings, 2021 An important challenge for acoustic engineers in room acoustics design is related to the acoustic performance of multi-purpose auditoriums, which are typically designed to suit several performance requirements.
Andreia Pereira +7 more
doaj +3 more sources
3D‐Printed Lattice Structures for Sound Absorption: Current Progress, Mechanisms and Models, Structural‐Property Relationships, and Future Outlook [PDF]
Advanced Science, 2023 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 porous solids arranged in repeating patterns, are emerging as advanced sound ...
Xinwei Li +6 more
doaj +3 more sources
Improved Room Acoustics Quality in Meeting Rooms: Investigation on the Optimal Configurations of Sound-Absorptive and Sound-Diffusive Panels [PDF]
Acoustics, 2020 This work deals with the improvement of the room acoustic quality of two medium sized meeting rooms through the investigation of the optimal placement of absorption and diffusive panels on the walls and ceiling.
Laura Labia +2 more
doaj +3 more sources
Nonlinear Optical Absorption in Nanoscale Films Revealed through Ultrafast Acoustics [PDF]
Nano letters (Print), 2022 Herein we describe a novel spinning pump-probe photoacoustic technique developed to study nonlinear absorption in thin films. As a test case, an organic polycrystalline thin film of quinacridone, a well-known pigment, with a thickness in the tens of ...
Ievgeniia Chaban +9 more
openalex +3 more sources
Microwave and Acoustic Absorption Metamaterials [PDF]
Physical Review APPLIED 17, 047001 (2022), 2022 Wave absorption metamaterials have been an enduring topic over the past two decades, propelled not only by novel scientific advances, but also by their extensive application potential. In this review, we aim to provide some general insights into the absorption mechanism common to both microwave and acoustic systems.
Sichao Qu, Ping Sheng
arxiv +4 more sources
The Effects of Sound Absorption of Stage House on the Acoustics of Auditorium in an Opera House [PDF]
BuildingsThe coupling effects between the stage house and the auditorium in opera houses make the sound field very complex. In the present study, the effects of stage absorption on the primary monaural objective room acoustic parameters in the seating area of an ...
Jianliang Gao, Yuezhe Zhao, Lili Pan
openalex +2 more sources
Acoustic coherent perfect absorption based on a PT symmetric coupled Mie resonator system
APL Materials, 2023 Parity-time (PT) symmetric coupled resonator systems have exhibited intriguing and unexpected properties in optics and electronics. Here, we extend it to acoustics and report a coupled Mie resonators (MRs) system respecting PT symmetry.
Fangfang Ju +4 more
doaj +2 more sources
Research Progress on Sound Absorption of Electrospun Fibrous Composite Materials
Nanomaterials, 2022 Noise is considered severe environmental pollutant that affects human health. Using sound absorption materials to reduce noise is a way to decrease the hazards of noise pollution.
Xiuhong Li +5 more
doaj +2 more sources
, 1998 An analogy between electromagnetism and acoustics is presented in 2D. The propagation of sound in presence of absorbing material is modeled using an open boundary microwave package.
Furstoss, M. +2 more
core +4 more sources