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The FDTD simulation of the vehicle structure with its new antenna location is performed on the same computing platform using Amazon Web Services (AWS). The total computation time in this case increased to 325 minutes. Â
The figure below shows the electric field distribution of the vehicle-antenna combination structure in the vertical ZX plane that passes through the center of the vehicle.
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The figure below shows the 3D far-field radiation pattern of the installed patch antenna on the vehicle roof's hood. For this simulation, the far-field angular resolution was set to 2.5° along both azimuth and elevation directions.
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[[Image:Hood pattern.png|thumb|left|640px| 3D far-field radiation pattern of the vehicle-antenna combination structure, with the patch antenna installed on the vehicle roof's hood.]]
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The figures below show the 2D polar radiation patterns of the roofhood-mounted patch antenna in the principal YZ and ZX planes. Comparing these graphs with those of the isolated patch antenna in the previous section reveals the impact of the mounting platform on the radiation characteristics of the installed antenna.
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[[Image:Hood yz cut.png|thumb|left|480px| 2D linear-scale polar radiation pattern of the roofhood-mounted patch antenna.]]
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[[Image:Hood zx cut.png|thumb|left|480px| 2D linear-scale polar radiation pattern of the roofhood-mounted patch antenna.]]
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