{"id":295401,"date":"2023-07-28T17:59:23","date_gmt":"2023-07-28T17:59:23","guid":{"rendered":"\/forum\/forums\/reply\/295401\/"},"modified":"2023-07-28T17:59:23","modified_gmt":"2023-07-28T17:59:23","slug":"295401","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/295401\/","title":{"rendered":"Reply To: fluctuating autoshutoff level"},"content":{"rendered":"<p>&lt;p&gt;This is most likely that such device has some strong&nbsp; resonance, which needs long time for the resonant signal to decay.&lt;\/p&gt;&lt;p&gt;If you do not need very accurate transmission and reflection at the resonance, you can use &#8220;time apodization&#8221; in the monitor.&lt;\/p&gt;&lt;p&gt;Please also check if the PML is thick enough. Occasionally PML may also cause fake resonance. However in such case changing the simulation span the resonace will shift, which can be differentiated from the real resonance.&lt;\/p&gt;&lt;p&gt;Please refer to this post for more:&nbsp;&lt;\/p&gt;&lt;p class=&#8221;MsoNormal&#8221;&gt;<a href=\"\/forum\/forums\/topic\/ansys-insight-slow-convergence-in-fdtd\/\">Ansys Insight: Slow convergence in FDTD<\/a>&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-295401","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 most likely that such device has some strong resonance, which needs long time for the resonant signal to decay.If you do not need very accurate transmission and reflection at the resonance, you can use &quot;time apodization&quot; in the monitor.Please also check if the PML is thick enough. Occasionally PML may also cause fake\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/295401\/\" \/>\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: fluctuating autoshutoff level | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"This is most likely that such device has some strong resonance, which needs long time for the resonant signal to decay.If you do not need very accurate transmission and reflection at the resonance, you can use &quot;time apodization&quot; in the monitor.Please also check if the PML is thick enough. Occasionally PML may also cause fake\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/295401\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-07-28T17:59:23+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-07-28T17:59:23+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: fluctuating autoshutoff level | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"This is most likely that such device has some strong resonance, which needs long time for the resonant signal to decay.If you do not need very accurate transmission and reflection at the resonance, you can use &quot;time apodization&quot; in the monitor.Please also check if the PML is thick enough. Occasionally PML may also cause fake\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/295401\\\/#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\\\/295401\\\/#listItem\",\"name\":\"Reply To: fluctuating autoshutoff level\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/295401\\\/#listItem\",\"position\":2,\"name\":\"Reply To: fluctuating autoshutoff level\",\"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\\\/295401\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/295401\\\/\",\"name\":\"Reply To: fluctuating autoshutoff level | Ansys Learning Forum\",\"description\":\"This is most likely that such device has some strong resonance, which needs long time for the resonant signal to decay.If you do not need very accurate transmission and reflection at the resonance, you can use \\\"time apodization\\\" in the monitor.Please also check if the PML is thick enough. Occasionally PML may also cause fake\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/295401\\\/#breadcrumblist\"},\"datePublished\":\"2023-07-28T17:59:23+00:00\",\"dateModified\":\"2023-07-28T17:59:23+00:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"inLanguage\":\"en-US\",\"publisher\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"Reply To: fluctuating autoshutoff level | Ansys Learning Forum","description":"This is most likely that such device has some strong resonance, which needs long time for the resonant signal to decay.If you do not need very accurate transmission and reflection at the resonance, you can use \"time apodization\" in the monitor.Please also check if the PML is thick enough. Occasionally PML may also cause fake","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/295401\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/295401\/#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\/295401\/#listItem","name":"Reply To: fluctuating autoshutoff level"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/295401\/#listItem","position":2,"name":"Reply To: fluctuating autoshutoff level","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\/295401\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/295401\/","name":"Reply To: fluctuating autoshutoff level | Ansys Learning Forum","description":"This is most likely that such device has some strong resonance, which needs long time for the resonant signal to decay.If you do not need very accurate transmission and reflection at the resonance, you can use \"time apodization\" in the monitor.Please also check if the PML is thick enough. Occasionally PML may also cause fake","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/295401\/#breadcrumblist"},"datePublished":"2023-07-28T17:59:23+00:00","dateModified":"2023-07-28T17:59:23+00:00"},{"@type":"WebSite","@id":"https:\/\/innovationspace.ansys.com\/forum\/#website","url":"https:\/\/innovationspace.ansys.com\/forum\/","name":"Ansys Learning Forum","description":"Ansys Innovation Space","inLanguage":"en-US","publisher":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#organization"}}]},"og:locale":"en_US","og:site_name":"Ansys Learning Forum | Ansys Innovation Space","og:type":"article","og:title":"Reply To: fluctuating autoshutoff level | Ansys Learning Forum","og:description":"This is most likely that such device has some strong resonance, which needs long time for the resonant signal to decay.If you do not need very accurate transmission and reflection at the resonance, you can use &quot;time apodization&quot; in the monitor.Please also check if the PML is thick enough. Occasionally PML may also cause fake","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/295401\/","article:published_time":"2023-07-28T17:59:23+00:00","article:modified_time":"2023-07-28T17:59:23+00:00","twitter:card":"summary_large_image","twitter:title":"Reply To: fluctuating autoshutoff level | Ansys Learning Forum","twitter:description":"This is most likely that such device has some strong resonance, which needs long time for the resonant signal to decay.If you do not need very accurate transmission and reflection at the resonance, you can use &quot;time apodization&quot; in the monitor.Please also check if the PML is thick enough. Occasionally PML may also cause fake"},"aioseo_meta_data":{"post_id":"295401","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"content","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":true,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"limit_modified_date":false,"created":"2024-10-28 17:56:36","updated":"2026-08-12 05:16:21","ai":null,"breadcrumb_settings":null,"seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/forum\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tReply To: fluctuating autoshutoff level\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/forum"},{"label":"Reply To: fluctuating autoshutoff level","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/295401\/"}],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/295401","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/reply"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/295401\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=295401"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}