{"id":33776,"date":"2019-03-07T16:33:05","date_gmt":"2019-03-07T16:33:05","guid":{"rendered":"\/forum\/forums\/topic\/update-dynamic-mesh-failed-negative-cell-volume-detected\/"},"modified":"2019-03-07T16:33:05","modified_gmt":"2019-03-07T16:33:05","slug":"update-dynamic-mesh-failed-negative-cell-volume-detected","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/update-dynamic-mesh-failed-negative-cell-volume-detected\/","title":{"rendered":"Update-Dynamic-Mesh failed. Negative cell volume detected"},"content":{"rendered":"<p><span style=\"color: #3b3b3b; font-family: 'Open Sans', Arial, Helvetica, sans-serif; font-size: 15px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;\">Hello, <\/span><\/p>\n<p><\/p>\n<p><span style=\"color: #3b3b3b; font-family: 'Open Sans', Arial, Helvetica, sans-serif; font-size: 15px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;\">I am trying to simulate steady flow around a hull model with 3 DoF (surging, heaving and pitching) in calm water. I used tetrahedral grid only around the hull and hexahedral grid rest of the domain. So I used Smoothing and Remeshing method with Six DOF option in dynamic mesh setting. I faced <strong>Update-Dynamic-Mesh failed. Negative cell volume detected<\/strong> after some time steps.<\/span><span style=\"color: #3b3b3b; font-family: 'Open Sans', Arial, Helvetica, sans-serif; font-size: 15px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;\"><span style=\"color: #3b3b3b; font-family: 'Open Sans', Arial, Helvetica, sans-serif; font-size: 15px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;\"> Please help me to solve the problem<\/span>, if possible please also check the attached case and udf file.<br \/><\/span><\/p>\n<p><\/p>\n<p><span style=\"color: #3b3b3b; font-family: 'Open Sans', Arial, Helvetica, sans-serif; font-size: 15px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;\">Bijoy<\/span><\/p>\n","protected":false},"template":"","class_list":["post-33776","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["5948"],"_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":["6742"],"_bbp_subscription":["236023","265185","290847"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["33776"],"_bbp_forum_id":["27792"],"_bbp_engagement":["62","199","156412","159144","173083","265185","290847"],"_bbp_voice_count":["7"],"_bbp_reply_count":["15"],"_bbp_last_reply_id":["319958"],"_bbp_last_active_id":["319958"],"_bbp_last_active_time":["2023-11-29 09:45:24"]},"test":"bijoy-prasad"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/33776","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\/33776\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=33776"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}