A1 Refereed original research article in a scientific journal
Numerical computation of a preimage domain for an infinite strip with rectilinear slits
Authors: Kalmoun El Mostafa, Nasser Mohamed M.S., Vuorinen Matti
Publisher: SPRINGER
Publication year: 2023
Journal: Advances in Computational Mathematics
Journal name in source: ADVANCES IN COMPUTATIONAL MATHEMATICS
Journal acronym: ADV COMPUT MATH
Article number: 5
Volume: 49
Number of pages: 24
ISSN: 1019-7168
eISSN: 1572-9044
DOI: https://doi.org/10.1007/s10444-022-10006-y
Web address : https://link.springer.com/article/10.1007/s10444-022-10006-y
Self-archived copy’s web address: https://research.utu.fi/converis/portal/detail/Publication/178672329
Let Ω be the multiply connected domain in the extended complex plane C obtained by removing m non-overlapping rectilinear segments from the infinite strip S = {z : |Imz| < π /2}. In this paper, we present an iterative method for numerical computation of a conformally equivalent bounded multiply connected domain G in the interior of the unit disk D and the exterior of m non-overlapping smooth Jordan curves. We demonstrate the utility of the proposed method through two applications. First, we estimate the capacity of condensers of the form (S, E) where E ⊂ S is a union of disjoint segments. Second, we determine the streamlines associated with uniform incompressible, inviscid and irrotational flow past disjoint segments in the strip S.
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