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Quarterly of Applied Mathematics

Quarterly of Applied Mathematics

Online ISSN 1552-4485; Print ISSN 0033-569X

   
 
 

 

Diffraction by a Dirichlet right angle on a discrete planar lattice


Authors: A. V. Shanin and A. I. Korolkov
Journal: Quart. Appl. Math. 80 (2022), 277-315
MSC (2020): Primary 12F05, 57Z05, 12E05
DOI: https://doi.org/10.1090/qam/1612
Published electronically: February 23, 2022
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Abstract: A problem of scattering by a Dirichlet right angle on a discrete square lattice is studied. The waves are governed by a discrete Helmholtz equation. The solution is looked for in the form of the Sommerfeld integral. The Sommerfeld transformant of the field is built as an algebraic function. The paper is a continuation of the work by A. V. Shanin and A. I. Korolkov, Sommerfeld-type integrals for discrete diffraction problems, Wave Motion 97 (2020).


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Additional Information

A. V. Shanin
Affiliation: Faculty of Physics, M. V. Lomonosov Moscow State University, Leninskie Gory, Moscow 119991, Russia
MR Author ID: 354791
Email: andrey_shanin@mail.ru

A. I. Korolkov
Affiliation: Faculty of Physics, M. V. Lomonosov Moscow State University, Leninskie Gory, Moscow 119991, Russia
MR Author ID: 1124287
Email: korolkov@physics.msu.ru

Received by editor(s): November 29, 2021
Received by editor(s) in revised form: December 17, 2021
Published electronically: February 23, 2022
Additional Notes: The work was supported by the RFBR grant 19-29-06048
Article copyright: © Copyright 2022 Brown University