An integral equation approach for the numerical solution of the riemann problem on a simply connected region with corners

In this paper we introduce a new integral equation for computing the numerical solution of the Riemann problem in a simply connected region bounded by curves having a finite number of corners in the complex plane. The solution to this problem may be characterised as the solution to a singular integr...

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Main Authors: Ismail, Munira, Mohd. Murid, Ali Hassan, Sanugi, Bahrom
Format: Article
Published: 2006
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Online Access:http://eprints.utm.my/8182/
http://dx.doi.org/10.1504/IJSPM.2006.009009
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author Ismail, Munira
Mohd. Murid, Ali Hassan
Sanugi, Bahrom
author_facet Ismail, Munira
Mohd. Murid, Ali Hassan
Sanugi, Bahrom
author_sort Ismail, Munira
building UTM Library
collection Institutional Repository
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
continent Asia
country Malaysia
description In this paper we introduce a new integral equation for computing the numerical solution of the Riemann problem in a simply connected region bounded by curves having a finite number of corners in the complex plane. The solution to this problem may be characterised as the solution to a singular integral equation on the boundary. By using results of Hille and Muskhelishvili, the theory is extended to include boundaries with corners which are rarely used for numerical computation. Following Swarztrauber's derivation of an integral equation for the numerical solution of Dirichlet problem in a region of general shape, we use the Picard iteration method to obtain an iterative formula which removes singularities during numerical integration. The result is a direct method which does not involve conformal mapping. The numerical examples given demonstrate the effectiveness of this new strategy
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spelling my.utm.eprints-81822017-10-12T02:01:04Z http://eprints.utm.my/8182/ An integral equation approach for the numerical solution of the riemann problem on a simply connected region with corners Ismail, Munira Mohd. Murid, Ali Hassan Sanugi, Bahrom Q Science (General) In this paper we introduce a new integral equation for computing the numerical solution of the Riemann problem in a simply connected region bounded by curves having a finite number of corners in the complex plane. The solution to this problem may be characterised as the solution to a singular integral equation on the boundary. By using results of Hille and Muskhelishvili, the theory is extended to include boundaries with corners which are rarely used for numerical computation. Following Swarztrauber's derivation of an integral equation for the numerical solution of Dirichlet problem in a region of general shape, we use the Picard iteration method to obtain an iterative formula which removes singularities during numerical integration. The result is a direct method which does not involve conformal mapping. The numerical examples given demonstrate the effectiveness of this new strategy 2006 Article PeerReviewed Ismail, Munira and Mohd. Murid, Ali Hassan and Sanugi, Bahrom (2006) An integral equation approach for the numerical solution of the riemann problem on a simply connected region with corners. International Journal on Simulation and Process Modelling, 2 (1/2). pp. 25-32. ISSN 1740-2123 http://dx.doi.org/10.1504/IJSPM.2006.009009 10.1504/IJSPM.2006.009009
spellingShingle Q Science (General)
Ismail, Munira
Mohd. Murid, Ali Hassan
Sanugi, Bahrom
An integral equation approach for the numerical solution of the riemann problem on a simply connected region with corners
title An integral equation approach for the numerical solution of the riemann problem on a simply connected region with corners
title_full An integral equation approach for the numerical solution of the riemann problem on a simply connected region with corners
title_fullStr An integral equation approach for the numerical solution of the riemann problem on a simply connected region with corners
title_full_unstemmed An integral equation approach for the numerical solution of the riemann problem on a simply connected region with corners
title_short An integral equation approach for the numerical solution of the riemann problem on a simply connected region with corners
title_sort integral equation approach for the numerical solution of the riemann problem on a simply connected region with corners
topic Q Science (General)
url http://eprints.utm.my/8182/
http://dx.doi.org/10.1504/IJSPM.2006.009009
url_provider http://eprints.utm.my/