{"id":188827,"date":"2021-08-12T00:10:57","date_gmt":"2021-08-12T00:10:57","guid":{"rendered":"\/forum\/forums\/reply\/188827\/"},"modified":"2021-08-12T00:12:09","modified_gmt":"2021-08-12T00:12:09","slug":"188827","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/188827\/","title":{"rendered":"Reply To: Why the resonant frequency get changed with solution frequency in solution setup?"},"content":{"rendered":"<p>1) Theres something weird because it is not just a shift but a change in the character.<br \/>\n2) Strictly speaking, FEM gives correct results only at meshing frequency. The closest frequencies may reuse the mesh, particularly in lower band, if there are no peculiarities, like cutoffs and resonances. in that way solve bands separately, or in new HFSS versions set multiple frequencies above and below the peculiarities. <br \/>\n3) Use discrete sweep, check that there is no mistake and it is really discrete.<br \/>\n4) Set number of passes to 15-20, and the convergence to 0.05. The default is only good for simple straight lines.<br \/>\nTry 2nd order or mixed order solver.<\/p>\n","protected":false},"template":"","class_list":["post-188827","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=\"1) Theres something weird because it is not just a shift but a change in the character. 2) Strictly speaking, FEM gives correct results only at meshing frequency. The closest frequencies may reuse the mesh, particularly in lower band, if there are no peculiarities, like cutoffs and resonances. in that way solve bands separately, or\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/188827\/\" \/>\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: Why the resonant frequency get changed with solution frequency in solution setup? | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"1) Theres something weird because it is not just a shift but a change in the character. 2) Strictly speaking, FEM gives correct results only at meshing frequency. The closest frequencies may reuse the mesh, particularly in lower band, if there are no peculiarities, like cutoffs and resonances. in that way solve bands separately, or\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/188827\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2021-08-12T00:10:57+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2021-08-12T00:12:09+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: Why the resonant frequency get changed with solution frequency in solution setup? | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"1) Theres something weird because it is not just a shift but a change in the character. 2) Strictly speaking, FEM gives correct results only at meshing frequency. The closest frequencies may reuse the mesh, particularly in lower band, if there are no peculiarities, like cutoffs and resonances. in that way solve bands separately, or\" \/>\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\\\/188827\\\/#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\\\/188827\\\/#listItem\",\"name\":\"Reply To: Why the resonant frequency get changed with solution frequency in solution setup?\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/188827\\\/#listItem\",\"position\":2,\"name\":\"Reply To: Why the resonant frequency get changed with solution frequency in solution setup?\",\"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\\\/188827\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/188827\\\/\",\"name\":\"Reply To: Why the resonant frequency get changed with solution frequency in solution setup? | Ansys Learning Forum\",\"description\":\"1) Theres something weird because it is not just a shift but a change in the character. 2) Strictly speaking, FEM gives correct results only at meshing frequency. 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The closest frequencies may reuse the mesh, particularly in lower band, if there are no peculiarities, like cutoffs and resonances. in that way solve bands separately, or","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/188827\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/188827\/#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\/188827\/#listItem","name":"Reply To: Why the resonant frequency get changed with solution frequency in solution setup?"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/188827\/#listItem","position":2,"name":"Reply To: Why the resonant frequency get changed with solution frequency in solution setup?","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\/188827\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/188827\/","name":"Reply To: Why the resonant frequency get changed with solution frequency in solution setup? | Ansys Learning Forum","description":"1) Theres something weird because it is not just a shift but a change in the character. 2) Strictly speaking, FEM gives correct results only at meshing frequency. 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