TITLE:
A Krylov Space-Based Finite Element Time Domain Method for Broadband Frequency Domain Solutions
AUTHORS:
Weiyang Lin
KEYWORDS:
Time Domain Method, Krylov Space, Frequency Domain, Petrov Galerkin
JOURNAL NAME:
Open Journal of Acoustics,
Vol.7 No.4,
December
28,
2017
ABSTRACT: A Krylov space based time domain method for wave propagation problems is introduced. The proposed method uses the Arnoldi algorithm to obtain broad-band frequency domain solutions. This method is especially advantageous in cases where slow convergence is observed when using traditional time domain methods. The efficiency of the method is examined in several test cases to show its fast convergence in such problems.