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- Antonis Charalambopoulos, George Dassios, Maria Hadjinicolaou
- SIAM Journal of Applied Mathematics
- 1998

A plane wave is scattered by two small spheres of not necessarily equal radii. Lowfrequency theory reduces this scattering problem to a sequence of potential problems which can be solved iteratively. It is shown that there exists exactly one bispherical coordinate system that fits the given geometry. Then R-separation is utilized to solve analytically the… (More)

- Gaele Perrusson, Dominique Lesselier, Marc Lambert, Bernard Bourgeois, Antonis Charalambopoulos, George Dassios
- IEEE Trans. Geoscience and Remote Sensing
- 2000

A general method for studying boundary value problems for linear and for integrable nonlinear partial differential equations in two dimensions was introduced in [3]. For linear equations in a convex polygon [2,4,5], this method: (a) Expresses the solution q(x,y) in the form of an integral (generalized inverse Fourier transform) in the complex k-plane… (More)

- Maria G Vavva, Leonidas N Gergidis, Antonis Charalambopoulos, Vasilios C Protopappas, Demosthenes Polyzos, Dimitrios I Fotiadis
- Conference proceedings : ... Annual International…
- 2012

The linear theory of classical elasticity cannot effectively describe bone's mechanical behavior since only homogeneous media and local stresses are assumed. Additionally, it cannot predict the dispersive nature of Rayleigh wave which has been experimental observed. By adopting Mindlin Form II gradient elastic theory and performing Boundary Element (BEM)… (More)

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