{"id":461520,"date":"2026-07-20T21:47:41","date_gmt":"2026-07-20T21:47:41","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/structure-with-fluid-filled-cavity-water-balloon-or-tennis-ball-simulation-2\/"},"modified":"2026-07-21T01:23:18","modified_gmt":"2026-07-21T01:23:18","slug":"structure-with-fluid-filled-cavity-water-balloon-or-tennis-ball-simulation-2","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/structure-with-fluid-filled-cavity-water-balloon-or-tennis-ball-simulation-2\/","title":{"rendered":"Structure with Fluid-Filled Cavity: water balloon or tennis ball simulation"},"content":{"rendered":"<p>I made a video to explain how to use HSFLD242 fluid elements to represent a gas or liquid that completely fills a cavity in a structure such as a water balloon or a tennis ball.&nbsp;<\/p>\n<p><a title=\"Water Balloons and Tennis Balls\" href=\"https:\/\/www.youtube.com\/watch?v=WfGLdlFiFh0\" target=\"_blank\" rel=\"noopener\">https:\/\/www.youtube.com\/watch?v=WfGLdlFiFh0<\/a><\/p>\n","protected":false},"template":"","class_list":["post-461520","topic","type-topic","status-publish","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27791"],"_bbp_topic_id":["461520"],"_bbp_subscription":["240","58821","199"],"_bbp_author_ip":[null],"_bbp_last_reply_id":["461556"],"_bbp_last_active_id":["461556"],"_bbp_last_active_time":["2026-07-21 09:24:00"],"_bbp_reply_count":["3"],"_bbp_reply_count_hidden":["0"],"_bbp_likes_count":["1"],"_btv_view_count":["29"],"application":["Mechanical"],"emailnotification":[null],"_edit_lock":["1784650168:699662"],"_bbp_engagement":["240","58821","199"],"_bbp_voice_count":["3"],"_bbp_topic_status":["unanswered"]},"test":"peteroznewman"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/461520","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":1,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/461520\/revisions"}],"predecessor-version":[{"id":461523,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/461520\/revisions\/461523"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=461520"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}