Finite Element Method Application For
Simulation Of Ground Penetrating
Radar Response
Author(s)
M. Pasternak, R. Kędzierawski & J. Pietrasiński
Abstract
The software for the simulation of electromagnetic waves propagation through
the soil structure with buried objects has been described in the paper.
The calculations are based on the finite element method (FEM) and allow
prediction of the ground penetrating radar (GPR) echo structure from different
buried objects. Such a virtual radar seems to be useful for test of chosen objects
detection possibility in different soil structure configurations as well as for test of
different kinds of radar signals. The comparison of simulation results and real
measurements data has been also presented and discussed in the paper.
Keywords: finite element method (FEM), ground penetrating radar (GPR).
1 Introduction
The most popular method for simulation of electromagnetic wave propagation
inside the soil structure is finite difference time domain (FDTD) method [1, 2].
The main reason for the FDTD method popularity is its relative simplicity and
good enough accuracy. An alternative approach is possible using finite element
method (FEM). The solutions in this case are easier for interpretation and it gives
more precise information about material discontinuities. The last feature is very
important as far as ground penetrating radar working conditions are concerned.
Additionally, the construction of the simulation boundaries in the FEM approach
is easier and more precise [3]. Contrary to the FDTD in the case of FEM method
the main field quantity characterizes all elements of volume instead of nodes.
The material properties
Keywords
finite element method (FEM), ground penetrating radar (GPR)
Related Book
Other papers in this volume
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