{"id":387472,"date":"2024-09-30T08:57:17","date_gmt":"2024-09-30T08:57:17","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/elastic-membrane\/"},"modified":"2024-10-01T11:01:47","modified_gmt":"2024-10-01T11:01:47","slug":"elastic-membrane","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/elastic-membrane\/","title":{"rendered":"elastic membrane"},"content":{"rendered":"<p>&lt;p&gt;good morning, I&#8217;ve designed a cylindrical chamber filled with water, sealed at both ends with elastic circular membranes. When an external force is applied to the outer surface of the membranes, they begin to vibrate, transferring these vibrations into the water. This setup allows us to measure both acoustic pressure and particle velocity within the water, providing valuable insights into how vibrations propagate in aquatic environments. so the problem is how can i model this , by usig FSI&nbsp; or Modal+harmonic response +harmonic acoustic, i tried to use fluent + transient Structure, but i don&acute;t have any inlet or outlet since i want to mesure the effect of the vibrating membrane on the fluide. can anyone help please.&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-387472","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"good morning, I&#039;ve designed a cylindrical chamber filled with water, sealed at both ends with elastic circular membranes. When an external force is applied to the outer surface of the membranes, they begin to vibrate, transferring these vibrations into the water. 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