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Computational Science, Engineering & Technology Series
ISSN 17593158 CSETS: 3
COMPUTATIONAL MECHANICS FOR THE TWENTYFIRST CENTURY Edited by: B.H.V. Topping
Chapter 13
A Time Domain Finite Volume Algorithm for Electromagnetic Scattering Simulation K. Morgan, O. Hassan, K.A. Sorenson and N.P. Weatherill
Department of Civil Engineering, University College of Swansea, Swansea, Wales, United Kingdom K. Morgan, O. Hassan, K.A. Sorenson, N.P. Weatherill, "A Time Domain Finite Volume Algorithm for Electromagnetic Scattering Simulation", in B.H.V. Topping, (Editor), "Computational Mechanics for the TwentyFirst Century", SaxeCoburg Publications, Stirlingshire, UK, Chapter 13, pp 245259, 2000. doi:10.4203/csets.3.13
Abstract
This paper considers the use of finite element based methods for the solution of problems involving the scattering of electromagnetic waves by perfectly conducting obstacles. An explicit approach in the time domain is implemented on a general unstructured triangular grid, with the electric and magnetic fields approximated in a continuous piecewise linear fashion. A second approach involves simulation in the frequency domain using higher order quadrilateral edge elements. The numerical performance of the two approaches is demonstrated and an assessment made of their applicability to the solution of 3D high frequency problems of interest to the aerospace industry.
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