Title :
Accurate FDTD analysis of underwater acoustic modal equation using transparent source
Author :
Yongjune Kim ; Il-Suek Koh ; Yongshik Lee
Author_Institution :
Dept. of Electr. & Electron. Eng., Yonsei Univ., Seoul, South Korea
Abstract :
A transparent source is implemented for investigation of its accuracy as an optimal type of source in the analysis of wideband path loss in underwater acoustic channels based on finite-difference time-domain (FDTD) scheme. By increasing the cut-off time of transparent source scheme, the exact transparent source for the underwater acoustic modal equation is implemented. The accuracy of the transparent source is verified by comparing the wideband path-loss results with famous normal mode solution, KRAKEN.
Keywords :
finite difference time-domain analysis; underwater acoustic communication; KRAKEN; accurate FDTD analysis; finite difference time domain scheme; normal mode solution; transparent source; underwater acoustic channels; underwater acoustic modal equation; wideband path loss; Equations; Finite difference methods; Mathematical model; Time-domain analysis; Time-frequency analysis; Underwater acoustics;
Conference_Titel :
Oceans - San Diego, 2013
Conference_Location :
San Diego, CA
