{"id":398588,"date":"2024-12-27T08:10:49","date_gmt":"2024-12-27T08:10:49","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/modal-analysis-of-a-composite-material-structure\/"},"modified":"2025-01-06T00:06:32","modified_gmt":"2025-01-06T00:06:32","slug":"modal-analysis-of-a-composite-material-structure","status":"answered","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/modal-analysis-of-a-composite-material-structure\/","title":{"rendered":"modal analysis of a composite material structure"},"content":{"rendered":"<p>&lt;p&gt;Hi,&lt;\/p&gt;&lt;p&gt;I have a question and want to ask for help.&nbsp;&lt;\/p&gt;&lt;p&gt;I want to use ANSYS Mechanical to perform a modal analysis of a composite material structure.&lt;\/p&gt;&lt;p&gt;The structure is a hollow cylinder with a height of 101.2 mm, an inner diameter of 250 mm, and an outer diameter of 300 mm. It consists of 400 alternating layers of 0.25 mm thick steel and 0.003 mm thick epoxy along the height of the cylinder. All layers are bonded together with bonded contact.&lt;\/p&gt;&lt;p&gt;Besides using the volume averaging method to homogenize the composite material, is there a specific setting for simulating periodic structures, such that drawing only one layer of steel and epoxy is sufficient for analysis?&lt;\/p&gt;&lt;p&gt;Thank you\uff01&lt;\/p&gt;&lt;p&gt;Wei-Hao Chang&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-398588","topic","type-topic","status-answered","hentry","topic-tag-compositematerials-1"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hi,I have a question and want to ask for help. 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