Analysis of GPR Wave Propagation in Complex Underground Structures Using CUDA-Implemented Conformal FDTD Method
Joint Authors
Fang, Hongyuan
Lei, Jianwei
Yang, Man
Wang, Zibin
Ding, Xin
Zhang, Xiaowang
Wang, Haitao
Source
International Journal of Antennas and Propagation
Issue
Vol. 2019, Issue 2019 (31 Dec. 2019), pp.1-11, 11 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2019-08-19
Country of Publication
Egypt
No. of Pages
11
Main Subjects
Abstract EN
Ground penetrating radar (GPR), as a kind of fast, effective, and nondestructive tool, has been widely applied to nondestructive testing of road quality.
The finite-difference time-domain method (FDTD) is the common numerical method studying the GPR wave propagation law in layered structure.
However, the numerical accuracy and computational efficiency are not high because of the Courant-Friedrichs-Lewy (CFL) stability condition.
In order to improve the accuracy and efficiency of FDTD simulation model, a parallel conformal FDTD algorithm based on graphics processor unit (GPU) acceleration technology and surface conformal technique was developed.
The numerical simulation results showed that CUDA-implemented conformal FDTD method could greatly reduce computational time and the pseudo-waves generated by the ladder approximation.
And the efficiency and accuracy of the proposed method are higher than the traditional FDTD method in simulating GPR wave propagation in two-dimensional (2D) complex underground structures.
American Psychological Association (APA)
Lei, Jianwei& Wang, Zibin& Fang, Hongyuan& Ding, Xin& Zhang, Xiaowang& Yang, Man…[et al.]. 2019. Analysis of GPR Wave Propagation in Complex Underground Structures Using CUDA-Implemented Conformal FDTD Method. International Journal of Antennas and Propagation،Vol. 2019, no. 2019, pp.1-11.
https://search.emarefa.net/detail/BIM-1157516
Modern Language Association (MLA)
Lei, Jianwei…[et al.]. Analysis of GPR Wave Propagation in Complex Underground Structures Using CUDA-Implemented Conformal FDTD Method. International Journal of Antennas and Propagation No. 2019 (2019), pp.1-11.
https://search.emarefa.net/detail/BIM-1157516
American Medical Association (AMA)
Lei, Jianwei& Wang, Zibin& Fang, Hongyuan& Ding, Xin& Zhang, Xiaowang& Yang, Man…[et al.]. Analysis of GPR Wave Propagation in Complex Underground Structures Using CUDA-Implemented Conformal FDTD Method. International Journal of Antennas and Propagation. 2019. Vol. 2019, no. 2019, pp.1-11.
https://search.emarefa.net/detail/BIM-1157516
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1157516