{"id":235645,"date":"2022-09-19T09:51:52","date_gmt":"2022-09-19T09:51:52","guid":{"rendered":"\/forum\/forums\/topic\/how-to-deal-with-negative-quality-mesh-elements-in-icem-cfd-mesh\/"},"modified":"2022-09-19T09:51:52","modified_gmt":"2022-09-19T09:51:52","slug":"how-to-deal-with-negative-quality-mesh-elements-in-icem-cfd-mesh","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-deal-with-negative-quality-mesh-elements-in-icem-cfd-mesh\/","title":{"rendered":"How to deal with negative quality mesh elements in ICEM CFD mesh?"},"content":{"rendered":"<p>I am trying to develop a Hexa mesh in a flow domain with a cylinder in a scour hole. The flow domain is shown below.<\/p>\n<p>The bottom surface and the cylinder surface are treated as walls, and hence the inflation layers are provided around them.<\/p>\n<p>The developed mesh contains some negative quality elements at the intersection of the cylinder with the bottom surface.&nbsp;<\/p>\n<p>How can I remove those cells from the mesh?<\/p>\n<p>I tried pre-mesh smoothing but was unable to remove them.&nbsp;<\/p>\n<p>Please find the figures below<\/p>\n<p>1. Flow domain<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2022\/09\/19-09-2022-1663580796-Domain.PNG\" alt=\"\"><\/p>\n<p>2. cylinder and bottom surface<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2022\/09\/19-09-2022-1663580849-bottom_and_cylinder.PNG\" alt=\"\"><\/p>\n<p>3. Blocking<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2022\/09\/19-09-2022-1663580895-blocking1.PNG\" alt=\"\"><\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2022\/09\/19-09-2022-1663580911-Blocking.PNG\" alt=\"\"><\/p>\n<p>4. Mesh section<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2022\/09\/19-09-2022-1663580948-mesh.PNG\" alt=\"\"><\/p>\n<p>5. Negative quality elements<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2022\/09\/19-09-2022-1663580978-low_quality.PNG\" alt=\"\"><\/p>\n","protected":false},"template":"","class_list":["post-235645","topic","type-topic","status-closed","hentry","topic-tag-fluent-mesh","topic-tag-hexahedral-mesh","topic-tag-icem-cfd-mesh-1","topic-tag-icem-cfd-structured-mesh"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["262379","39507"],"_bbp_author_ip":["23.56.168.190"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["2393"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["235645"],"_bbp_forum_id":["27789"],"_bbp_engagement":["39507","262379"],"_bbp_voice_count":["2"],"_bbp_reply_count":["2"],"_bbp_last_reply_id":["235857"],"_bbp_last_active_id":["235857"],"_bbp_last_active_time":["2022-09-21 05:42:26"]},"test":"cez198229iitd-ac-in"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/235645","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\/235645\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=235645"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}