Nondestructive Approach for Complex-Shaped Cracks in Concrete Structures by Electromagnetic Waves with FDTD Technique

<div>Simulation result for Case B at 600-time step: (a) Ex field distribution for 1.5 GHz, (b) Ez field distribution for 1.5 GHz, (c) Ex field distribution for 3.0 GHz, and (d) Ez field distribution for 3.0 GHz.</div>

Mathematical Problems in Engineering

fig7

Figure 7

Figure 7: Nondestructive Approach for Complex-Shaped Cracks in Concrete Structures by Electromagnetic Waves with FDTD Technique 