{"id":396493,"date":"2024-12-05T17:25:05","date_gmt":"2024-12-05T17:25:05","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/396493\/"},"modified":"2024-12-05T17:25:05","modified_gmt":"2024-12-05T17:25:05","slug":"396493","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/396493\/","title":{"rendered":"Reply To: Generation of constraint equation issues"},"content":{"rendered":"<p>&lt;p&gt;Hello Dlooman,&lt;\/p&gt;&lt;p&gt;During substructuring, I have a problem with eigenfrequencies. For example, I&acute;m doing substructuring for a gear wheel. After condensation, the eigenfrequencies are not as expected as you can see in image 1 but i removed constraint equations and mass elements then i got proper frequency values as you can see in image 2. Can you please&lt;span style=&#8221;font-size: 14pt;&#8221;&gt; help me with this &lt;\/span&gt;&lt;span style=&#8221;font-size: 14pt;&#8221;&gt;pro&lt;\/span&gt;&lt;span style=&#8221;font-size: 14pt;&#8221;&gt;b&lt;\/span&gt;&lt;span style=&#8221;font-size: 14pt;&#8221;&gt;l&lt;\/span&gt;&lt;span style=&#8221;font-size: 14pt;&#8221;&gt;e&lt;\/span&gt;&lt;span style=&#8221;font-size: 14pt;&#8221;&gt;m&lt;\/span&gt;&lt;span style=&#8221;font-size: 14pt;&#8221;&gt;?&lt;\/span&gt;&lt;\/p&gt;&lt;p&gt;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/12\/05-12-2024-1733419330-Screenshot 2024-12-05 180810.png\" alt=\"\" width=\"969\" height=\"542\" \/><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/12\/05-12-2024-1733419468-Screenshot 2024-12-05 181057.png\" alt=\"\" width=\"919\" height=\"536\" \/>&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-396493","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/396493","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/reply"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/396493\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=396493"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}