An Unconditionally Stable Cylindrical FDTD Method to Analyze the EM Ground Wave Propagation

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left"></td><td class="align_center">△<svg height="8.02022pt" id="M65" style="vertical-align:-0.2063999pt" version="1.1" viewbox="-0.0498162 -7.81382 4.54925 8.02022" width="4.54925pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M324 430H196L233 583L223 592L145 529L120 430H54L29 396L31 388H111L56 126C33 15 54 -12 77 -12C137 -12 214 57 250 95L233 119C208 92 155 59 138 59C126 59 120 70 131 125L186 390L298 394L324 430Z" id="g113-117"></path></g></svg> (ns)</td><td class="align_center">Memory (Mb)</td><td class="align_center">CPU times (s)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Conventional FDTD</td><td class="align_center">0.21</td><td class="align_center">1.78</td><td class="align_center">587.4</td></tr><tr><td class="align_left">Proposed method</td><td class="align_center">21</td><td class="align_center">24.9</td><td class="align_center">31.2</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Comparison of the computational resources.</div>

International Journal of Antennas and Propagation

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Table 1

Table 1: An Unconditionally Stable Cylindrical FDTD Method to Analyze the EM Ground Wave Propagation 