{"id":290544,"date":"2023-06-27T12:01:05","date_gmt":"2023-06-27T12:01:05","guid":{"rendered":"\/forum\/forums\/topic\/floating-point-exception-17\/"},"modified":"2023-06-27T12:01:05","modified_gmt":"2023-06-27T12:01:05","slug":"floating-point-exception-17","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/floating-point-exception-17\/","title":{"rendered":"floating point exception"},"content":{"rendered":"<p>Hello everyone, excuse me I&#8217;m having an &laquo;error object&#8230; floating point exception &raquo; .&nbsp;<\/p>\n<p>The calculation process goes for a while then it stops and I get that message.&nbsp;<\/p>\n<p>I&#8217;m simulating a fluid flow (biomass byrolysis) using ANSYS Fluent, with following details:<\/p>\n<ul>\n<li>Eulerian-Eulerian multiphase model.<\/li>\n<li>Three phases- with one reaction equation.<\/li>\n<li>Viscous model -K-epsilon.<\/li>\n<li>Turblance multiphase model- disperesed.<\/li>\n<\/ul>\n<p>Kindly see the following error massage:<\/p>\n<p>Divergence detected in AMG solver: pressure correction Stabilizing k to enhance linear solver robustness.<\/p>\n<p>Stabilizing k using GMRES to enhance linear solver robustness.<\/p>\n<p>&nbsp;<\/p>\n<p>Divergence detected in AMG solver: k Stabilizing epsilon to enhance linear solver robustness.<\/p>\n<p>Stabilizing epsilon using GMRES to enhance linear solver robustness.<\/p>\n<p>&nbsp;<\/p>\n<p>Divergence detected in AMG solver: epsilon Stabilizing gas-species-0 to enhance linear solver robustness.<\/p>\n<p>Stabilizing gas-species-3 to enhance linear solver robustness.<\/p>\n<p>Stabilizing gas-species-4 to enhance linear solver robustness.<\/p>\n<p>Stabilizing gas-species-5 to enhance linear solver robustness.<\/p>\n<p>Stabilizing gas-species-6 to enhance linear solver robustness.<\/p>\n<p>Stabilizing temperature to enhance linear solver robustness.<\/p>\n<p>Stabilizing temperature using GMRES to enhance linear solver robustness.<\/p>\n<p>temperature limited to 1.000000e+00 in 99842 cells on zone 4 in domain 2<\/p>\n<p>temperature limited to 1.000000e+00 in 99842 cells on zone 4 in domain 3<\/p>\n<p>temperature limited to 1.000000e+00 in 99842 cells on zone 4 in domain 4<\/p>\n<p>Stabilizing vof-1 to enhance linear solver robustness.<\/p>\n<p>Stabilizing vof-1 using GMRES to enhance linear solver robustness.<\/p>\n<p>&nbsp;<\/p>\n<p>Divergence detected in AMG solver: vof-1 Stabilizing vof-2 to enhance linear solver robustness.<\/p>\n<p>Stabilizing vof-2 using GMRES to enhance linear solver robustness.<\/p>\n<p>&nbsp;<\/p>\n<p>Divergence detected in AMG solver: vof-2<\/p>\n<p>&nbsp;<\/p>\n<p>WARNING: Invalid cp (0.00<\/p>\n<p>0===============Message from the Cortex Process================================<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>Error at Node 3: floating point exception<\/p>\n<p>Compute processes interrupted. Processing can be resumed.<\/p>\n<p>&nbsp;<\/p>\n<p>000e==============================================================================<\/p>\n<p>&nbsp;<\/p>\n<p>+Error at Node 2: floating point exception<\/p>\n<p>&nbsp;<\/p>\n<p>Error at Node 1: floating point exception<\/p>\n<p>00<\/p>\n<p>Error at Node 0: floating point exception<\/p>\n<p>J\/kgK) for carbon-solid at temperature -nan(ind) K<\/p>\n<p>Thanks<\/p>\n","protected":false},"template":"","class_list":["post-290544","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["287854","199"],"_bbp_author_ip":["23.217.200.71"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["2881"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["290544"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","287854"],"_bbp_voice_count":["2"],"_bbp_reply_count":["15"],"_bbp_last_reply_id":["292218"],"_bbp_last_active_id":["292218"],"_bbp_last_active_time":["2023-07-10 07:57:29"]},"test":"ebasheiraus-edu"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/290544","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\/290544\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=290544"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}