Acoustic scattering by an impenetrable spheroid

JA Roumeliotis, AD Kotsis, G Kolezas - Acoustical Physics, 2007 - Springer
The scattering of a plane acoustic wave from an impenetrable, soft or hard, prolate or oblate
spheroid is considered. Two different methods are used for the evaluation. In the first, the …

Acoustic scattering by a penetrable spheroid

AD Kotsis, JA Roumeliotis - Acoustical Physics, 2008 - Springer
The scattering of a plane acoustic wave from a penetrable prolate or oblate spheroid is
considered. Two different methods are used for the evaluation. In the first, the pressure field …

Cutoff wavelengths of elliptical metallic waveguides

GD Tsogkas, JA Roumeliotis… - IEEE transactions on …, 2009 - ieeexplore.ieee.org
The cutoff wavelengths lambda cmn of elliptical metallic waveguides with perfectly
conducting walls are determined analytically. Two different methods are used for the …

Electromagnetic scattering by a metallic spheroid using shape perturbation method

A Kotsis, J Roumeliotis - Progress In Electromagnetics Research, 2007 - jpier.org
The scattering of a plane electromagnetic wave by a perfectly conducting prolate or oblate
spheroid is considered analytically by a shape perturbation method. The electromagnetic …

Electromagnetic scattering by an infinite elliptic dielectric cylinder with small eccentricity using perturbative analysis

GD Tsogkas, JA Roumeliotis… - IEEE transactions on …, 2009 - ieeexplore.ieee.org
The scattering of a plane electromagnetic wave by an infinite elliptic dielectric cylinder is
examined using two alternative methods. In the first the electromagnetic field is expressed in …

Acoustic eigenfrequencies in a spheroidal cavity with a concentric penetrable sphere

GC Kokkorakis, JA Roumeliotis - The Journal of the Acoustical Society …, 1999 - pubs.aip.org
The acoustic eigenfrequencies f nsm in a spheroidal cavity containing a concentric
penetrable sphere are determined analytically, for both Dirichlet and Neumann conditions in …

Scattering by an infinite elliptic metallic cylinder

GD Tsogkas, JA Roumeliotis, SP Savaidis - Electromagnetics, 2007 - Taylor & Francis
The scattering of a plane electromagnetic wave by an infinite elliptic metallic cylinder is
considered. Two different methods are used for the evaluation. In the first the …

Sound Radiation From Point Acoustic Sources With Shield of Large Prolate Spheroidal Baffles

X Cao, M Wang, L Shi - Journal of Vibration and …, 2018 - asmedigitalcollection.asme.org
Sound radiation from stationary and rotating point acoustic sources with shield of rigid
prolate spheroidal baffles is explored in the prolate spheroidal coordinate system. The …

Рассеяние звука на непроницаемом сфероиде

ДА Румелиотис, АД Котсис, Д Колезас - Акустический журнал, 2007 - elibrary.ru
<![CDATA [Рассматривается рассеяние плоской звуковой волны на непроницаемом
сфероиде для случаев, когда этот сфероид мягкий или жесткий, вытянутой или …

Three dimensional Mode Matching for inhomogeneously loaded spheroidal cavity

XM Mitsalas, GA Kyriacou, T Kaifas… - 2014 Loughborough …, 2014 - ieeexplore.ieee.org
In this paper a three dimensional Mode Matching technique is proposed for the analysis of a
spheroidal cavity loaded with a spherical inhomogeneity around one of its focuses …