{"id":459247,"date":"2026-06-03T10:16:35","date_gmt":"2026-06-03T10:16:35","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/cfd-post-segmentation-violation\/"},"modified":"2026-06-03T10:16:35","modified_gmt":"2026-06-03T10:16:35","slug":"cfd-post-segmentation-violation","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/cfd-post-segmentation-violation\/","title":{"rendered":"CFD POST segmentation violation"},"content":{"rendered":"<p>&lt;p&gt;Hi,&lt;br&gt;&lt;br&gt;I get frequently this error when switching to different time step in the Timestep Selector. I&#8217;m working with cas and cdat files by Fluent. This makes impossible to do data analysis.&lt;br&gt;&lt;br&gt;Thank you for your help!&lt;br&gt;&lt;br&gt;Best wishes,&lt;br&gt;&lt;br&gt;Daniel&lt;br&gt;&lt;br&gt;&lt;\/p&gt;&lt;p&gt;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&lt;\/p&gt;&lt;p&gt;&nbsp;signal 11 was caught: segmentation violation&lt;br&gt;Socket error: recv: connection reset&lt;br&gt;Aborting due to unexpected error:&lt;br&gt;socketError: RemoteEngineProtocol::receiveTransStat &#8211; Communications error: unexpected end of transmission from engine, expected status code.&lt;br&gt;The application has encountered an unexpected problem and will now terminate:&lt;\/p&gt;&lt;p&gt;Aborting due to unexpected error:&lt;br&gt;socketError: RemoteEngineProtocol::receiveTransStat &#8211; Communications error: unexpected end of transmission from engine, expected status code.&lt;\/p&gt;&lt;p&gt;Please report this error, along with the circumstances in which it occurred.&lt;\/p&gt;&lt;p&gt;The following information may be useful to CFX support:&lt;\/p&gt;&lt;p&gt;Unexpected error: Aborting due to unexpected error:&lt;br&gt;socketError: RemoteEngineProtocol::receiveTransStat &#8211; Communications error: unexpected end of transmission from engine, expected status code.&lt;\/p&gt;&lt;p&gt;&lt;br&gt;Socket error: recv: connection reset&lt;br&gt;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-&lt;br&gt;&lt;br&gt;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-459247","topic","type-topic","status-publish","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27792"],"_bbp_topic_id":["459247"],"_bbp_subscription":["450736","199842","691442","199"],"_bbp_author_ip":["92.34.99.229"],"_bbp_last_reply_id":["459420"],"_bbp_last_active_id":["459420"],"_bbp_last_active_time":["2026-06-05 20:50:16"],"_bbp_reply_count":["11"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["4"],"_bbp_engagement":["450736","199842","691442","199"],"_btv_view_count":["65"],"_bbp_topic_status":["unanswered"]},"test":"daniel-dejan-gundemdu-se"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/459247","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\/459247\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=459247"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}