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The figures below compare the three types of the FDTD mesh for a dielectric ellipsoid with ε<sub>r</sub> = 4. Note that the cell size inside the dielectric region is half the cell size in the air region.
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The figures below compare the low resolution and high resolution adaptive FDTD meshes of a PEC parabolic reflector. This structure involves both a curved surface and a very thin surface.
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