{"id":382462,"date":"2024-09-12T13:08:02","date_gmt":"2024-09-12T13:08:02","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/382462\/"},"modified":"2024-09-12T13:08:02","modified_gmt":"2024-09-12T13:08:02","slug":"382462","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/382462\/","title":{"rendered":"Reply To: PSD (random vibration) and Acceleration on a body (harmonic response)"},"content":{"rendered":"<p>&lt;p&gt;Yes, that&#8217;s a common scenario which isn&#8217;t supported by the Mechanical Gui.&nbsp; With APDL commands you could use a force psd applied to the motor.&nbsp; The harmonic analysis could be done in Mechanical.&nbsp; If Mechanical doesn&#8217;t allow acceleration to be scoped to a body you can apply it with a commands object:&nbsp; CMACEL,named_selection,Xacel,Yacel,Zacel where a named selection has been created for the motor body in the gui.&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-382462","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=\"Yes, that&#039;s a common scenario which isn&#039;t supported by the Mechanical Gui. With APDL commands you could use a force psd applied to the motor. The harmonic analysis could be done in Mechanical. If Mechanical doesn&#039;t allow acceleration to be scoped to a body you can apply it with a commands object: CMACEL,named_selection,Xacel,Yacel,Zacel where a\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/382462\/\" \/>\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: PSD (random vibration) and Acceleration on a body (harmonic response) | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Yes, that&#039;s a common scenario which isn&#039;t supported by the Mechanical Gui. With APDL commands you could use a force psd applied to the motor. The harmonic analysis could be done in Mechanical. If Mechanical doesn&#039;t allow acceleration to be scoped to a body you can apply it with a commands object: CMACEL,named_selection,Xacel,Yacel,Zacel where a\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/382462\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-09-12T13:08:02+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-09-12T13:08:02+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: PSD (random vibration) and Acceleration on a body (harmonic response) | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Yes, that&#039;s a common scenario which isn&#039;t supported by the Mechanical Gui. With APDL commands you could use a force psd applied to the motor. The harmonic analysis could be done in Mechanical. If Mechanical doesn&#039;t allow acceleration to be scoped to a body you can apply it with a commands object: CMACEL,named_selection,Xacel,Yacel,Zacel where a\" \/>\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\\\/382462\\\/#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\\\/382462\\\/#listItem\",\"name\":\"Reply To: PSD (random vibration) and Acceleration on a body (harmonic response)\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/382462\\\/#listItem\",\"position\":2,\"name\":\"Reply To: PSD (random vibration) and Acceleration on a body (harmonic response)\",\"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\\\/382462\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/382462\\\/\",\"name\":\"Reply To: PSD (random vibration) and Acceleration on a body (harmonic response) | Ansys Learning Forum\",\"description\":\"Yes, that's a common scenario which isn't supported by the Mechanical Gui. With APDL commands you could use a force psd applied to the motor. The harmonic analysis could be done in Mechanical. 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With APDL commands you could use a force psd applied to the motor. The harmonic analysis could be done in Mechanical. If Mechanical doesn't allow acceleration to be scoped to a body you can apply it with a commands object: CMACEL,named_selection,Xacel,Yacel,Zacel where a","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/382462\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/382462\/#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\/382462\/#listItem","name":"Reply To: PSD (random vibration) and Acceleration on a body (harmonic response)"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/382462\/#listItem","position":2,"name":"Reply To: PSD (random vibration) and Acceleration on a body (harmonic response)","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\/382462\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/382462\/","name":"Reply To: PSD (random vibration) and Acceleration on a body (harmonic response) | Ansys Learning Forum","description":"Yes, that's a common scenario which isn't supported by the Mechanical Gui. 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