Results 1 to 10 of about 5,680 (136)

Numerical Analysis of Broadband Noise Generated by an Airfoil with Spanwise-Varying Leading Edges [PDF]

Biomimetics
Here, the single-target parameterization of alternatives to leading-edge noise is carried out using analytical models based on the Wiener–Hopf technique.
Lei Wang, Xiaomin Liu, Chenye Tian, Dian Li   +3 more
doaj   +2 more sources

Scattering of Sound Waves in Two Stepped Non-uniformly Lined Duct

Archives of Acoustics, 2020
Scattering of sound waves in two stepped cylindrical duct which walls are coated with different acoustically absorbent materials is investigated by using Wiener-Hopf technique directly and by determining scattering matrices.
Ayşe TIRYAKIOGLU, Ahmet DEMIR
doaj   +1 more source

Diffraction by a Semi-Infinite Parallel-Plate Waveguide with Five-Layer Material Loading: The Case of H-Polarization

Applied Sciences, 2023
In this paper, the plane wave diffraction from a semi-infinite parallel-plate waveguide with five-layer material loading is rigorously analyzed for H-polarization using the Wiener–Hopf technique. The Fourier transform of the scattered field is introduced
Kewen He, Kazuya Kobayashi
doaj   +1 more source

The full analytic trans-series in integrable field theories

Physics Letters B, 2023
We analyze a family of generalized energy densities in integrable quantum field theories in the presence of an external field coupled to a conserved charge.
Zoltán Bajnok, János Balog, István Vona   +2 more
doaj   +1 more source

Network representations of angular regions for electromagnetic scattering. [PDF]

PLoS ONE, 2017
Network modeling in electromagnetics is an effective technique in treating scattering problems by canonical and complex structures. Geometries constituted of angular regions (wedges) together with planar layers can now be approached with the Generalized ...
Vito G Daniele, Guido Lombardi, Rodolfo S Zich   +2 more
doaj   +1 more source

Radiation of Sound Waves by a Semi-Infinite Duct with Outer Lining and Perforated End

Archives of Acoustics, 2020
Radiation of sound waves from a semi-infinite cylindrical duct with perforated end whose outer wall is coated with acoustically absorbent material is investigated by using the Wiener-Hopf technique in conjunction with the mode matching technique.
Burhan TIRYAKIOGLU
doaj   +1 more source

A brief historical perspective of the Wiener-Hopf technique [PDF]

, 2007
It is a little over 75 years since two of the most important mathematicians of the 20th century collaborated on finding the exact solution of a particular equation with semi-infinite convolution type integral operator.
Abrahams, ID, Lawrie, JB
core   +2 more sources

Sound Wave Radiation from Partially Lined Duct

Archives of Acoustics, 2019
The radiation of sound waves from partially lined duct is treated by using the mode-matching method in conjunction with the Wiener-Hopf technique. The solution is obtained by modification of the Wiener-Hopf technique and involves an infinite series of ...
Burhan TIRYAKIOGLU, Ahmet DEMIR
doaj   +1 more source

Radiation of Sound from a Coaxial Duct Formed by a Semi-Infinite Rigid Outer Cylinder and Infinite Inner Cylinder Having Different Linings

Archives of Acoustics, 2020
In the present work, the radiation of sound waves from a coaxial duct is considered. This coaxial duct has an inner wall which is infinite and has piecewise acoustically absorbent material, while the outer wall is semi-infinite and rigid.
Hülya ÖZTÜRK, Burhan TIRYAKIOGLU
doaj   +1 more source

On the factorization of a class of Wiener-Hopf kernels [PDF]

, 1995
This is a pre-copy-editing, author-produced PDF of an article accepted for publication in IMA Journal of Applied Mathematics following peer review. The definitive publisher-authenticated version: Abrahams, I.D. & Lawrie, J.B. (1995) “On the factorisation
Abrahams, ID, Lawrie, JB
core   +2 more sources