Title :
Coupling matrices for high-order finite-element analysis of acoustic-wave propagation
Author_Institution :
University of Melbourne, Department of Electrical Engineering, Parkville, Australia
Abstract :
Finite-element coupling matrices, independent of element geometry and material properties, are presented for the high-order finite-element analysis of acoustic-wave propagation in homogeneous isotropic media. Some new results for ridge guides are used to illustrate the formulation.
Keywords :
acoustic wave propagation; matrix algebra; acoustic wave propagation; finite element coupling matrices; homogeneous isotropic media; matrix algebra; ridge guides; sonic propagation;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19720336