{"id":387473,"date":"2024-09-30T08:58:21","date_gmt":"2024-09-30T08:58:21","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/elastic-membrane-2\/"},"modified":"2024-09-30T10:21:43","modified_gmt":"2024-09-30T10:21:43","slug":"elastic-membrane-2","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/elastic-membrane-2\/","title":{"rendered":"elastic membrane and acoustics"},"content":{"rendered":"<p>&lt;p&gt;&lt;p&gt;&lt;p&gt;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.&lt;\/p&gt;&lt;\/p&gt;&lt;p&gt;so what i should use FSI or modal+harmonic response+harmonic acoustic&lt;\/p&gt;&lt;p&gt;and in fluent we don&acute;t have inlet or outlet , just since the membrane vibrate transfer this vibration into water&lt;\/p&gt;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-387473","topic","type-topic","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=\"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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