Numerical Simulation of GPR Electromagnetic Wave Propagation in Rigid Pavement with Voids Based on FDTD

Yan Hui Zhong; Bei Zhang; Xiao Li Xie; Fu Ming Wang; Cheng Chao Guo

doi:10.4028/www.scientific.net/AMR.250-253.2765

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 250-253Numerical Simulation of GPR Electromagnetic Wave...

Numerical Simulation of GPR Electromagnetic Wave Propagation in Rigid Pavement with Voids Based on FDTD

Abstract:

Two-dimension finite difference time domain (FDTD) update equations are established, and the GPR electromagnetic wave propagation in rigid pavement with voids beneath slabs is numerical simulated by using effective CPML boundary conditions, and then the two-Dimension GPR images for voids beneath slab are obtained. Moreover, the relationship between characteristics of voids beneath rigid slabs and GPR data is analyzed. The achievements of this paper will provide a theoretical basis for the use of GPR to rapidly detect voids beneath rigid slab.

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Periodical:

Advanced Materials Research (Volumes 250-253)

Pages:

2765-2768

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.250-253.2765

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Online since:

May 2011

Authors:

Yan Hui Zhong, Bei Zhang, Xiao Li Xie, Fu Ming Wang, Cheng Chao Guo

Keywords:

FDTD, GPR Electromagnetic Wave, Numerical Simulation, Rigid Pavement, Void

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References

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