{"id":370891,"date":"2024-07-06T16:38:14","date_gmt":"2024-07-06T16:38:14","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/370891\/"},"modified":"2024-07-06T16:38:14","modified_gmt":"2024-07-06T16:38:14","slug":"370891","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/370891\/","title":{"rendered":"Reply To: Loss factor define for COMBIN14 in damped modal analysis don&#8217;t affect results"},"content":{"rendered":"<p>&lt;p&gt;The term loss factor isn&#8217;t used to describe any of the types of damping for COMBIN14, which are the real constants cv1 and cv2 and the material properties betd, dmpr and dmps.&nbsp; These types of damping should all have affected the damped natural frequency, except possibly dmpr, based on Table 1.3 in the Structural Analysis Guide.&nbsp; The input below tests a large value of the material property betd on the damped natural frequency.&lt;\/p&gt;&lt;p&gt;\/prep7&lt;br&gt;et,1,14&lt;br&gt;r,1,10000&lt;br&gt;mp,betd,1,.01&lt;\/p&gt;&lt;p&gt;et,2,21,,,2&lt;br&gt;r,2,1&lt;\/p&gt;&lt;p&gt;n,1&lt;br&gt;n,2,1&lt;br&gt;e,1,2&lt;\/p&gt;&lt;p&gt;type,2&lt;br&gt;real,2&lt;br&gt;mat,2&lt;br&gt;e,2&lt;\/p&gt;&lt;p&gt;d,1,all&lt;br&gt;d,2,uy&lt;br&gt;d,2,uz&lt;\/p&gt;&lt;p&gt;fini&lt;\/p&gt;&lt;p&gt;\/solu&lt;br&gt;antyp,modal&lt;br&gt;modop,damp,2&lt;br&gt;mxpand,2,,,yes&lt;br&gt;solve&lt;br&gt;fini&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-370891","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=\"The term loss factor isn&#039;t used to describe any of the types of damping for COMBIN14, which are the real constants cv1 and cv2 and the material properties betd, dmpr and dmps. These types of damping should all have affected the damped natural frequency, except possibly dmpr, based on Table 1.3 in the Structural Analysis\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/370891\/\" \/>\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: Loss factor define for COMBIN14 in damped modal analysis don\u2019t affect results | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"The term loss factor isn&#039;t used to describe any of the types of damping for COMBIN14, which are the real constants cv1 and cv2 and the material properties betd, dmpr and dmps. These types of damping should all have affected the damped natural frequency, except possibly dmpr, based on Table 1.3 in the Structural Analysis\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/370891\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-07-06T16:38:14+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-07-06T16:38:14+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: Loss factor define for COMBIN14 in damped modal analysis don\u2019t affect results | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"The term loss factor isn&#039;t used to describe any of the types of damping for COMBIN14, which are the real constants cv1 and cv2 and the material properties betd, dmpr and dmps. These types of damping should all have affected the damped natural frequency, except possibly dmpr, based on Table 1.3 in the Structural Analysis\" \/>\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\\\/370891\\\/#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\\\/370891\\\/#listItem\",\"name\":\"Reply To: Loss factor define for COMBIN14 in damped modal analysis don&#8217;t affect results\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/370891\\\/#listItem\",\"position\":2,\"name\":\"Reply To: Loss factor define for COMBIN14 in damped modal analysis don&#8217;t affect results\",\"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\\\/370891\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/370891\\\/\",\"name\":\"Reply To: Loss factor define for COMBIN14 in damped modal analysis don\\u2019t affect results | Ansys Learning Forum\",\"description\":\"The term loss factor isn't used to describe any of the types of damping for COMBIN14, which are the real constants cv1 and cv2 and the material properties betd, dmpr and dmps. These types of damping should all have affected the damped natural frequency, except possibly dmpr, based on Table 1.3 in the Structural Analysis\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/370891\\\/#breadcrumblist\"},\"datePublished\":\"2024-07-06T16:38:14+00:00\",\"dateModified\":\"2024-07-06T16:38:14+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: Loss factor define for COMBIN14 in damped modal analysis don\u2019t affect results | Ansys Learning Forum","description":"The term loss factor isn't used to describe any of the types of damping for COMBIN14, which are the real constants cv1 and cv2 and the material properties betd, dmpr and dmps. 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These types of damping should all have affected the damped natural frequency, except possibly dmpr, based on Table 1.3 in the Structural Analysis","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/370891\/#breadcrumblist"},"datePublished":"2024-07-06T16:38:14+00:00","dateModified":"2024-07-06T16:38:14+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: Loss factor define for COMBIN14 in damped modal analysis don\u2019t affect results | Ansys Learning Forum","og:description":"The term loss factor isn't used to describe any of the types of damping for COMBIN14, which are the real constants cv1 and cv2 and the material properties betd, dmpr and dmps. These types of damping should all have affected the damped natural frequency, except possibly dmpr, based on Table 1.3 in the Structural Analysis","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/370891\/","article:published_time":"2024-07-06T16:38:14+00:00","article:modified_time":"2024-07-06T16:38:14+00:00","twitter:card":"summary_large_image","twitter:title":"Reply To: Loss factor define for COMBIN14 in damped modal analysis don\u2019t affect results | Ansys Learning Forum","twitter:description":"The term loss factor isn't used to describe any of the types of damping for COMBIN14, which are the real constants cv1 and cv2 and the material properties betd, dmpr and dmps. 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