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A Fast Spectral Subtractional Solver for Elliptic Equations

โœ Scribed by Elena Braverman; Boris Epstein; Moshe Israeli; Amir Averbuch


Book ID
111593885
Publisher
Springer US
Year
2004
Tongue
English
Weight
440 KB
Volume
21
Category
Article
ISSN
0885-7474

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A new family of direct spectral solvers for the 3D Helmholtz equation in a spherical gap and inside a sphere for nonaxisymmetric problems is presented. A variational formulation (no collocation) is adopted, based on the Fourier expansion and the associated Legendre functions to represent the angular