Results 11 to 20 of about 2,694 (304)

Computationally-efficient rendering of diffuse reflections for geometrical acoustics based room simulation [PDF]

open access: yesActa Acustica
Geometrical acoustics is well suited for real-time room acoustics simulation and is often implemented using the image source model (ISM). One drawback of the ISM is its limitation to specular reflections, while sound scattering plays an important role in
Ewert Stephan D.   +4 more
doaj   +3 more sources

Experimental verification of the acoustic geometric phase

open access: yesApplied Physics Letters, 2022
Optical geometric phase encoded by in-plane spatial orientation of microstructures has promoted the rapid development of numerous functional meta-devices. However, pushing the concept of the geometric phase toward the acoustic community still faces challenges.
Bingyi Liu   +5 more
openaire   +2 more sources

Acoustic control study of turbofan nozzles with triangular chevrons [PDF]

open access: yesINCAS Bulletin, 2014
This paper has a small part dealing with the notion of chevron and the process that helps reducing the noise pollution. Based on the gas dynamics and the geometrical parameters of the turbofan jet engine a model of CFD data processing is created. In this
Grigore CICAN   +2 more
doaj   +1 more source

Research on Far-field Acoustic Explosion Prediction of Supersonic Aircraft Based on Augmented Burgers Equation

open access: yesHangkong gongcheng jinzhan, 2021
The sonic boom problem is a great barrier to the application of supersonic aircraft, and the accurate sonic boom prediction method is the key of the sonic boom problem.Waveform parameter method and augmented Burgers equation method are frequently used ...
CUI Qing   +3 more
doaj   +1 more source

Benchmarking of finite-difference time-domain method and fast multipole boundary element method for room acoustics

open access: yes, 2022
Compared to geometrical acoustics, wave-based methods which solve the wave equation either in the time domain or in the frequency domain are known for their high accuracy.
Lokki, Tapio   +5 more
core   +1 more source

An Acoustic Reconstruction of the House of Commons, c. 1820–1834

open access: yesAcoustics, 2023
This paper presents an acoustic reconstruction of the UK House of Commons between c. 1820 and 1834. Focusing on a historically important site where political decisions were debated over the centuries, we aim to simulate and present the intangible ...
Aglaia Foteinou   +2 more
doaj   +1 more source

Integrating Real-Time Room Acoustics Simulation into a CAD Modeling Software to Enhance the Architectural Design Process

open access: yesBuildings, 2014
For architects, real-time 3D visual rendering of CAD-models is a valuable tool. The architect usually perceives the visual appearance of the building interior in a natural and realistic way during the design process.
Sönke Pelzer   +3 more
doaj   +1 more source

Numerical simulations of Italian Opera Houses using geometrical and wave-based acoustics methods [PDF]

open access: yes, 2019
The acoustics of opera houses represents an interesting topic in scientific literature due to their architectural and morphological characteristic traits (shape, materials, coupled volumes).
Fratoni, Giulia   +8 more
core   +1 more source

Comparative Visualization for Wave-based and Geometric Acoustics [PDF]

open access: yesIEEE Transactions on Visualization and Computer Graphics, 2006
We present a comparative visualization of the acoustic simulation results obtained by two different approaches that were combined into a single simulation algorithm. The first method solves the wave equation on a volume grid based on finite elements.
Eduard Deines   +6 more
openaire   +3 more sources

The image edge model

open access: yesActa Acustica, 2021
Noise from traffic, industry and neighborhood is a prominent feature in urban environments. In these environments, sound reaches receiver points through reflections and diffractions.
Erraji Armin   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy