{"id":294164,"date":"2023-07-20T17:29:10","date_gmt":"2023-07-20T17:29:10","guid":{"rendered":"\/forum\/forums\/topic\/fleunt-dynamic-mesh-remeshing-problem-on-boundarys\/"},"modified":"2023-07-20T17:29:10","modified_gmt":"2023-07-20T17:29:10","slug":"fleunt-dynamic-mesh-remeshing-problem-on-boundarys","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/fleunt-dynamic-mesh-remeshing-problem-on-boundarys\/","title":{"rendered":"Fleunt dynamic mesh, remeshing problem on boundarys"},"content":{"rendered":"<p>In fleunt dynamic mesh option the remeshing does not work in boundary by deforming wall. See what happend, some people here seem to have had this problem.<\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/07\/20-07-2023-1689873069-Unbenannt.jpg\" alt=\"\"><\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/07\/20-07-2023-1689873086-Unbenannt2.jpg\" alt=\"\"><\/p>\n<p>&nbsp;<\/p>\n<p>The boundary cells on defined deforming wall only ceep stretching, not remeshing. Same problem on 2D Mesh. I think it is a bug. Dynamic mesh option is smoothing and remeshing with maximum cell local size with 1 mm.<\/p>\n<p>Was someone able to solve the problem?<\/p>\n<p>Fluent seems to have the problem with defined deforming wall by a tetrahedron mesh. In the Ansys examples shown, you always see a layering zone with hex mesh. With ist not possible here, because here overlapping the valve with the combustion chamber.<\/p>\n<p>Piston ist a rigid body motion. The liner walls a deforming wall. Smoothing diffuse and local cell size remeshing.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<div id=\"tw-target-text-container\" class=\"tw-ta-container F0azHf tw-nfl\">\n<pre id=\"tw-target-text\" class=\"tw-data-text tw-text-large tw-ta\" dir=\"ltr\" style=\"text-align: left\" data-placeholder=\"&Uuml;bersetzung\"><\/pre>\n<\/div>\n<div id=\"tw-target-rmn-container\" class=\"tw-target-rmn tw-ta-container F0azHf tw-nfl\">\n<pre id=\"tw-target-rmn\" class=\"tw-data-placeholder tw-text-small tw-ta\" dir=\"ltr\" style=\"text-align: left\" data-placeholder=\"\"><\/pre>\n<\/div>\n<p>&nbsp;<\/p>\n","protected":false},"template":"","class_list":["post-294164","topic","type-topic","status-closed","hentry","topic-tag-dynamic-mesh","topic-tag-fluent"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["166171","13659","181494"],"_bbp_author_ip":["23.206.193.154"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["546"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["294164"],"_bbp_forum_id":["27792"],"_bbp_engagement":["13659","166171","181494"],"_bbp_voice_count":["3"],"_bbp_reply_count":["9"],"_bbp_last_reply_id":["294596"],"_bbp_last_active_id":["294596"],"_bbp_last_active_time":["2023-07-24 18:41:06"]},"test":"duke711"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/294164","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":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/294164\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=294164"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}