{"id":315376,"date":"2023-11-08T09:27:26","date_gmt":"2023-11-08T09:27:26","guid":{"rendered":"\/forum\/forums\/topic\/variation-with-analytical-solution\/"},"modified":"2023-11-08T09:27:26","modified_gmt":"2023-11-08T09:27:26","slug":"variation-with-analytical-solution","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/variation-with-analytical-solution\/","title":{"rendered":"Variation with analytical solution"},"content":{"rendered":"<p>I had conducted the transient analysis of a beam with a mass at the end. The damping ratio was given as 0.01 for the fundamental frequency of 12.38 Hz (in damping controls). But when I compared the time response of the beam with that in matlab, it seemed to have a huge difference. I had previously conducted the modal analysis of the same system and the natural frequency value had matched. It seems that system in ansys has somehow been more damped than required. What might be the reason?&nbsp; <img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/11\/08-11-2023-1699435320-Capture1.PNG\" alt=\"\"><\/p>\n","protected":false},"template":"","class_list":["post-315376","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"I had conducted the transient analysis of a beam with a mass at the end. The damping ratio was given as 0.01 for the fundamental frequency of 12.38 Hz (in damping controls). But when I compared the time response of the beam with that in matlab, it seemed to have a huge difference. I had\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/variation-with-analytical-solution\/\" \/>\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=\"Variation with analytical solution | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"I had conducted the transient analysis of a beam with a mass at the end. The damping ratio was given as 0.01 for the fundamental frequency of 12.38 Hz (in damping controls). But when I compared the time response of the beam with that in matlab, it seemed to have a huge difference. 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The damping ratio was given as 0.01 for the fundamental frequency of 12.38 Hz (in damping controls). But when I compared the time response of the beam with that in matlab, it seemed to have a huge difference. I had\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/sites\/2\/2023\/11\/08-11-2023-1699435320-Capture1.PNG\" \/>\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\\\/topic\\\/variation-with-analytical-solution\\\/#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\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"position\":2,\"name\":\"Topics\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/variation-with-analytical-solution\\\/#listItem\",\"name\":\"Variation with analytical solution\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/variation-with-analytical-solution\\\/#listItem\",\"position\":3,\"name\":\"Variation with analytical solution\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}}]},{\"@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\\\/topic\\\/variation-with-analytical-solution\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/variation-with-analytical-solution\\\/\",\"name\":\"Variation with analytical solution | Ansys Learning Forum\",\"description\":\"I had conducted the transient analysis of a beam with a mass at the end. The damping ratio was given as 0.01 for the fundamental frequency of 12.38 Hz (in damping controls). But when I compared the time response of the beam with that in matlab, it seemed to have a huge difference. 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The damping ratio was given as 0.01 for the fundamental frequency of 12.38 Hz (in damping controls). But when I compared the time response of the beam with that in matlab, it seemed to have a huge difference. I had","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/variation-with-analytical-solution\/#breadcrumblist"},"datePublished":"2023-11-08T09:27:26+00:00","dateModified":"2023-11-08T09:27:26+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":"Variation with analytical solution | Ansys Learning Forum","og:description":"I had conducted the transient analysis of a beam with a mass at the end. The damping ratio was given as 0.01 for the fundamental frequency of 12.38 Hz (in damping controls). 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