{"id":386436,"date":"2024-09-24T13:22:41","date_gmt":"2024-09-24T13:22:41","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/cfd-for-simulate-the-flow-of-fresh-concrete\/"},"modified":"2024-09-24T13:57:53","modified_gmt":"2024-09-24T13:57:53","slug":"cfd-for-simulate-the-flow-of-fresh-concrete","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/cfd-for-simulate-the-flow-of-fresh-concrete\/","title":{"rendered":"CFD WITH FLUENT TO SIMULATE THE FLOW OF THE FRESH CONCRETE"},"content":{"rendered":"<p>&lt;p&gt;&lt;p&gt;Hi everyone,&nbsp;&lt;\/p&gt;&lt;p&gt;i&#8217;m trying to simulate the flow of the <strong>fresh concrete (SCC)<\/strong> inside a cast.&lt;br&gt;I&#8217;m considering also inside the analysis two phases with <strong>VOF<\/strong> (air and fresh concrete).&lt;br&gt;&lt;span style=&#8221;font-size: 14pt;&#8221;&gt;For the fresh concrete properties I&#8217;m using the <strong>Herschel-Bulkley<\/strong> law in order to consider it as a Non-Newtonian fluid.&lt;br&gt;&lt;\/span&gt;<strong>What kind of viscous model could i use to model it?<\/strong>&lt;\/p&gt;&lt;p&gt;With <strong>laminar<\/strong> model i&#8217;m having problems with the analysis (aborted for divergence) with the following error inside the console:&lt;br&gt;<strong><em>Error: floating point exception&lt;br&gt;Error Object: #f<\/em><\/strong>&lt;\/p&gt;&lt;p&gt;F&lt;span style=&#8221;font-size: 14pt;&#8221;&gt;or meshing the geometry&lt;\/span&gt;&lt;span style=&#8221;font-size: 14pt;&#8221;&gt; I&lt;\/span&gt;&lt;span style=&#8221;font-size: 14pt;&#8221;&gt;&#8217;m using tetrahedral or hexa FE (with a good quality), but i don&#8217;t know if the problem could be linked to the analysis method or for something else.&lt;\/span&gt;&lt;\/p&gt;&lt;p&gt;Could someone kindly help me? &lt;br&gt;Thank you so much&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-386436","topic","type-topic","status-publish","hentry","topic-tag-ansys-cfd-1","topic-tag-cfd-dem","topic-tag-concrete","topic-tag-error-object-f","topic-tag-floating-point-exception","topic-tag-herschel-bulkley","topic-tag-laminar","topic-tag-laminar-flow","topic-tag-non-newtonian","topic-tag-viscoplatic-2"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["440569","199"],"_bbp_author_ip":["192.167.31.3"],"_btv_view_count":["540"],"_bbp_topic_status":["unanswered"],"_edit_last":["440569"],"_bbp_revision_log":["a:1:{i:386465;a:2:{s:6:\"author\";i:440569;s:6:\"reason\";s:0:\"\";}}"],"_bbp_topic_id":["386436"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","440569"],"_bbp_voice_count":["2"],"_bbp_reply_count":["1"],"_bbp_last_reply_id":["386474"],"_bbp_last_active_id":["386474"],"_bbp_last_active_time":["2024-09-24 14:05:47"]},"test":"ivan-beltracchiunibs-it"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/386436","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":1,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/386436\/revisions"}],"predecessor-version":[{"id":386465,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/386436\/revisions\/386465"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=386436"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}