Title
Kansa-RBF Algorithms for Elliptic Problems in Axisymmetric Domains.
Abstract
We employ a Kansa-radial basis function method for the numerical solution of elliptic boundary value problems in three-dimensional axisymmetric domains. We consider problems governed by the Poisson equation, the inhomogeneous biharmonic equation, and the inhomogeneous Cauchy-Navier equations. Appropriate discretizations lead to linear systems, the coefficient matrices of which possess block circulant structures. These systems are then solved efficiently by means of matrix decomposition algorithms and fast Fourier transforms. Methods for choosing appropriate values of the shape parameter are also proposed. The effectiveness of the proposed algorithms is demonstrated by considering several numerical examples.
Year
DOI
Venue
2016
10.1137/15M1037974
SIAM JOURNAL ON SCIENTIFIC COMPUTING
Keywords
Field
DocType
radial basis functions,Poisson equation,biharmonic equation,Cauchy-Navier equations of elasticity,fast Fourier transforms,Kansa method
Boundary value problem,Mathematical optimization,Poisson's equation,Mathematical analysis,Matrix (mathematics),Matrix decomposition,Algorithm,Circulant matrix,Kansa method,Biharmonic equation,Partial differential equation,Mathematics
Journal
Volume
Issue
ISSN
38
1
1064-8275
Citations 
PageRank 
References 
2
0.41
9
Authors
3
Name
Order
Citations
PageRank
Andreas Karageorghis120447.54
C. S. Chen2508.45
Xiaoyan Liu310919.35