Results 1 to 10 of about 236 (142)

The Wiener-Hopf technique, its generalizations and applications: constructive and approximate methods. [PDF]

open access: yesProc Math Phys Eng Sci, 2021
This paper reviews the modern state of the Wiener–Hopf factorization method and its generalizations. The main constructive results for matrix Wiener–Hopf problems are presented, approximate methods are outlined and the main areas of applications are mentioned.
Kisil AV   +3 more
europepmc   +8 more sources

Reinvigorating the Wiener-Hopf technique in the pursuit of understanding processes and materials. [PDF]

open access: yesNatl Sci Rev, 2021
El método Wiener-Hopf (WH) fue creado en 1931, por Norbert Wiener y Eberhard Hopf, para ofrecer soluciones exactas a ecuaciones integrales con núcleos de tipo convolución en una media línea. Parece que este problema está estrechamente relacionado con el planteado por Riemann en 1857 sobre el problema relativo a la construcción de un sistema fucsiano de
Abrahams D   +6 more
europepmc   +7 more sources

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

open access: yesBiomimetics
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   +3 more
doaj   +2 more sources

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

open access: yesArchives 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

open access: yesApplied 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

open access: yesPhysics 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   +2 more
doaj   +1 more source

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

open access: yesPLoS 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   +2 more
doaj   +1 more source

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

open access: yesArchives 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

Sound Wave Radiation from Partially Lined Duct

open access: yesArchives 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

open access: yesArchives 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

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