{"id":367946,"date":"2024-05-21T18:52:33","date_gmt":"2024-05-21T18:52:33","guid":{"rendered":"\/forum\/forums\/reply\/367946\/"},"modified":"2024-05-21T18:52:33","modified_gmt":"2024-05-21T18:52:33","slug":"367946","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/367946\/","title":{"rendered":"Reply To: fdtd simulation"},"content":{"rendered":"<p>&lt;p&gt;Hi Abha,&lt;\/p&gt;&lt;p&gt;If you are placing the source in a lossless medium, I think only the phase will be affected, other parameters like transmission won&#8217;t be affected depending upon the location of the source. In general, it is advised to keep the source and the geometry lambda\/2 distance away from the PML to avoid injection errors and also reflections from PML. What kind of PML profile are you using (the default is standard)? In peridic simulations, you can have diffrcation orders propagating at stepp angles to the PML boundaries, this can impact the performance of the PML. To reduce the effects, we generall recommend using the &#8220;steep angle&#8221; PML profile.&lt;\/p&gt;&lt;p&gt;Regards,&lt;br&gt;Amrita&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-367946","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=\"Hi Abha,If you are placing the source in a lossless medium, I think only the phase will be affected, other parameters like transmission won&#039;t be affected depending upon the location of the source. In general, it is advised to keep the source and the geometry lambda\/2 distance away from the PML to avoid injection errors\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/367946\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Learning Forum | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Reply To: fdtd simulation | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Hi Abha,If you are placing the source in a lossless medium, I think only the phase will be affected, other parameters like transmission won&#039;t be affected depending upon the location of the source. In general, it is advised to keep the source and the geometry lambda\/2 distance away from the PML to avoid injection errors\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/367946\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-05-21T18:52:33+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-05-21T18:52:33+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: fdtd simulation | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Hi Abha,If you are placing the source in a lossless medium, I think only the phase will be affected, other parameters like transmission won&#039;t be affected depending upon the location of the source. 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In general, it is advised to keep the source and the geometry lambda\/2 distance away from the PML to avoid injection errors","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/367946\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/367946\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","position":1,"name":"Home","item":"https:\/\/innovationspace.ansys.com\/forum","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/367946\/#listItem","name":"Reply To: fdtd simulation"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/367946\/#listItem","position":2,"name":"Reply To: fdtd simulation","previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","name":"Home"}}]},{"@type":"Organization","@id":"https:\/\/innovationspace.ansys.com\/forum\/#organization","name":"Ansys Learning Forum","description":"Ansys Innovation Space","url":"https:\/\/innovationspace.ansys.com\/forum\/"},{"@type":"WebPage","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/367946\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/367946\/","name":"Reply To: fdtd simulation | Ansys Learning Forum","description":"Hi Abha,If you are placing the source in a lossless medium, I think only the phase will be affected, other parameters like transmission won't be affected depending upon the location of the source. 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In general, it is advised to keep the source and the geometry lambda\/2 distance away from the PML to avoid injection errors","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/367946\/","article:published_time":"2024-05-21T18:52:33+00:00","article:modified_time":"2024-05-21T18:52:33+00:00","twitter:card":"summary_large_image","twitter:title":"Reply To: fdtd simulation | Ansys Learning Forum","twitter:description":"Hi Abha,If you are placing the source in a lossless medium, I think only the phase will be affected, other parameters like transmission won't be affected depending upon the location of the source. 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