{"id":32819,"date":"2019-01-23T15:35:20","date_gmt":"2019-01-23T15:35:20","guid":{"rendered":"\/forum\/forums\/topic\/dynamic-mesh-deforming-wall\/"},"modified":"2019-01-23T15:35:20","modified_gmt":"2019-01-23T15:35:20","slug":"dynamic-mesh-deforming-wall","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/dynamic-mesh-deforming-wall\/","title":{"rendered":"Dynamic Mesh &#8211; Deforming Wall"},"content":{"rendered":"<p>Hello,<\/p>\n<p><\/p>\n<p>I want to simulate the movement of the piston in black. Around the piston there is an inflation layer, which moves with the piston and set as rigid body in the dynamic mesh.<\/p>\n<p><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/d652d665-7f9c-42a4-8f4c-a96d00d34316\/af0a248d-914e-486f-9bc5-a9de01004962_2.jpg?width=690&amp;upscale=false\" alt=\"\" width=\"387\" height=\"251\"><\/p>\n<p><\/p>\n<p>In the dynamic mesh zones, I set wall_p_1 and wall_p2_ as Deforming, and the simulation works well right down to the corner. The wall_p_1 belong to the inflation layer.<\/p>\n<p><\/p>\n<p>The problem is that I get negative cells in the corner (see the mesh below)<\/p>\n<p><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/d652d665-7f9c-42a4-8f4c-a96d00d34316\/6e4a84e2-3734-4898-86e0-a9de00fd4f2b_negative-zellen.jpg?width=690&amp;upscale=false\" alt=\"\" width=\"343\" height=\"274\"><\/p>\n<p><\/p>\n<p>My question is, is this coming from the wall and the software doesn&#8217;t understand that it has to continue? I want to have a situation like below.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/d652d665-7f9c-42a4-8f4c-a96d00d34316\/a9b2d591-a333-4505-8334-a9de0100dd92_unbenannt.jpg?width=690&amp;upscale=false\" alt=\"\"><\/p>\n<p><\/p>\n<p>Regards,<\/p>\n<p><\/p>\n<p>Maxime<\/p>\n","protected":false},"template":"","class_list":["post-32819","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["4991"],"_bbp_old_topic_author_name_id":["Anonymous"],"_bbp_old_is_topic_anonymous_id":["false"],"_bbp_old_closed_status_id":["publish"],"_bbp_author_ip":[null],"_bbp_old_sticky_status_id":["normal"],"_bbp_likes_count":["0","0","0","0","0"],"_btv_view_count":["1837"],"_bbp_subscription":["237203"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["32819"],"_bbp_forum_id":["27792"],"_bbp_engagement":["62","22555","154844","159144"],"_bbp_voice_count":["4"],"_bbp_reply_count":["23"],"_bbp_last_reply_id":["76735"],"_bbp_last_active_id":["76735"],"_bbp_last_active_time":["2019-02-04 07:34:29"]},"test":"max4"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/32819","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\/32819\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=32819"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}