{"id":395954,"date":"2024-12-02T13:46:29","date_gmt":"2024-12-02T13:46:29","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ansys-mechanical-modal\/"},"modified":"2024-12-02T14:12:24","modified_gmt":"2024-12-02T14:12:24","slug":"ansys-mechanical-modal","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ansys-mechanical-modal\/","title":{"rendered":"Ansys Mechanical : Modal"},"content":{"rendered":"<p>&lt;p&gt;&lt;p&gt;Good morning everyone I am working on a reinforced concrete beam-column joint, I have roller constraints and a hinge constraint applied on the main beam and column base respectively. The constraints have been applied to steel plates. Once the analysis is done I find that my frequency is 10Hz higher than what is identified through experimental data, what could be the problems associated with this high value? The materials have the same properties as the experimental model. Thank you all!&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;Christian<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/12\/02-12-2024-1733147112-Joint1.jpg\" alt=\"\" \/>&lt;\/p&gt;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-395954","topic","type-topic","status-publish","hentry","topic-tag-Modal_Analysis-1","topic-tag-modal","topic-tag-reinforced-concrete"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Good morning everyone I am working on a reinforced concrete beam-column joint, I have roller constraints and a hinge constraint applied on the main beam and column base respectively. The constraints have been applied to steel plates. 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