{"id":250947,"date":"2023-02-22T08:17:41","date_gmt":"2023-02-22T08:17:41","guid":{"rendered":"\/forum\/forums\/reply\/250947\/"},"modified":"2023-02-22T08:17:41","modified_gmt":"2023-02-22T08:17:41","slug":"250947","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/250947\/","title":{"rendered":"Reply To: How to find the Natural frequency of Vibrating Structure ?"},"content":{"rendered":"<p>&lt;p&gt;if you are looking for the &lt;span style=&#8221;text-decoration: underline;&#8221;&gt;<strong>natural <\/strong>&lt;\/span&gt;frequencies, the &#8220;vibrating motor&#8221; at 16 Hz is not important. Just use a modal analysis system from Workbench, constrain the surfaces or points that are physically constrained and let the analysis run. If the analysis will give modes with frequencies of zero, or numerically zero, that will mean you have &#8220;free&#8221; parts in your assembly, that need to be correctly connected.&nbsp;&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-250947","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=\"if you are looking for the natural frequencies, the &quot;vibrating motor&quot; at 16 Hz is not important. Just use a modal analysis system from Workbench, constrain the surfaces or points that are physically constrained and let the analysis run. If the analysis will give modes with frequencies of zero, or numerically zero, that\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/250947\/\" \/>\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: How to find the Natural frequency of Vibrating Structure ? | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"if you are looking for the natural frequencies, the &quot;vibrating motor&quot; at 16 Hz is not important. Just use a modal analysis system from Workbench, constrain the surfaces or points that are physically constrained and let the analysis run. If the analysis will give modes with frequencies of zero, or numerically zero, that\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/250947\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-02-22T08:17:41+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-02-22T08:17:41+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: How to find the Natural frequency of Vibrating Structure ? | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"if you are looking for the natural frequencies, the &quot;vibrating motor&quot; at 16 Hz is not important. Just use a modal analysis system from Workbench, constrain the surfaces or points that are physically constrained and let the analysis run. 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