On the Neumann function and the method of images in spherical and ellipsoidal geometry

被引：7
|
作者：
Dassios, George [2 ]
Sten, Johan C. -E. [1 ]
机构：
[1] Tech Res Ctr Finland, FIN-02044 Espoo, Finland
[2] Univ Patras, Dept Chem Engn, GR-26110 Patras, Greece
来源：
MATHEMATICAL METHODS IN THE APPLIED SCIENCES | 2012年 / 35卷 / 04期
关键词：
Neumann boundary condition; Neumann function; image system; ellipsoidal geometry; ellipsoidal harmonics; HYPERSPHERICAL INCLUSIONS; DIELECTRIC FUNCTION; O(C(2));
D O I：
10.1002/mma.1595
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
The invention of an image system for a boundary value problem adds to a significant understanding of the structure of the problem, both at the mathematical and at the physical level. In this paper, the interior and exterior Neumann functions for the Laplacian in the cases of spherical and ellipsoidal domains are represented in terms of images. Besides isolated images, the presence of the normal derivative in the Neumann condition demands an additional continuous distribution of images, which in the spherical cases, can be restricted to a one-dimensional manifold, whereas for the ellipsoid, both a one-dimensional and a two-dimensional distribution of images is needed. Copyright (c) 2012 John Wiley & Sons, Ltd.
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页码：482 / 496
页数：15
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