Split and unsplit finite-volume absorbers: Formulation and performance comparison
Date
2006
Authors
Sankaran, K.
Fumeaux, C.
Vahldieck, R.
Editors
Advisors
Journal Title
Journal ISSN
Volume Title
Type:
Conference paper
Citation
36th European Microwave Conference (EuMW), 2006: pp.17-20
Statement of Responsibility
Krishnaswamy Sankaran, Christophe Fumeaux and Rudiger Vahldieck
Conference Name
European Microwave Conference (36th : 2006 : Manchester, UK)
Abstract
Time-domain models of split and unsplit finite-volume absorbers (FiVA) used as perfectly matched layer (PML) are analyzed in this paper. These models are employed on unstructured meshes in the framework of the finite-volume time-domain (FVTD) method. A systematic comparison with emphasis on the differences in their mathematical construct and dynamic performance is presented. Numerical analysis on the absorber thickness and loss-parameter is carried out to study the limitations of these absorber models. Numerical reflection coefficients in the range of -80 dB are achieved demonstrating the capability of these models.