{"id":355480,"date":"2024-03-05T20:07:53","date_gmt":"2024-03-05T20:07:53","guid":{"rendered":"\/forum\/forums\/reply\/355480\/"},"modified":"2024-03-05T20:07:53","modified_gmt":"2024-03-05T20:07:53","slug":"355480","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/355480\/","title":{"rendered":"Reply To: Calculate phase of the field"},"content":{"rendered":"<p>&lt;p&gt;This is a more theoretical question: scalar vs vectorial.&lt;\/p&gt;&lt;p&gt;FDTD solves the Maxwell Equations with full vectorial fields, whereas the scalar one is approximate. In case the field components have similar values, you may try to use magnetic fields. or possibly transfer the Cartisian results into spherical coordinates if the later gives a better representation. Or better to use the farfield result to quantify the phase, where it has only two components, Ep and Es. If they are on the same order, then choice is yours. As long as the result can explain the physics, it wshould work.&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-355480","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"This is a more theoretical question: scalar vs vectorial.FDTD solves the Maxwell Equations with full vectorial fields, whereas the scalar one is approximate. In case the field components have similar values, you may try to use magnetic fields. or possibly transfer the Cartisian results into spherical coordinates if the later gives a better representation. 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