{"id":46246,"date":"2020-07-17T14:33:01","date_gmt":"2020-07-17T14:33:01","guid":{"rendered":"\/forum\/forums\/topic\/solid-gas-multiphase-system-error-turbulent-viscosity-limited-to-viscosity-ratio-of-1-000000e05\/"},"modified":"2020-07-17T14:33:01","modified_gmt":"2020-07-17T14:33:01","slug":"solid-gas-multiphase-system-error-turbulent-viscosity-limited-to-viscosity-ratio-of-1-000000e05","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/solid-gas-multiphase-system-error-turbulent-viscosity-limited-to-viscosity-ratio-of-1-000000e05\/","title":{"rendered":"Solid-Gas Multiphase System ERROR: Turbulent viscosity limited to viscosity ratio of 1.000000e+05"},"content":{"rendered":"<p>Hello,<\/p>\n<p><\/p>\n<p>I am simulating a multiphase system (gas-solid using Eulerian Granular, Model: Realizable k-e, Standard Wall Function) with a air inlet velocity of 13 m\/s. I want to simulate it as a fluidized packed bed reactor (without inlet and outlet flow of plastic pellets) and with &#8220;Adapt&#8221; &#8211; &#8220;Patch&#8221; I fill the reactor with plastic pellets (see image).<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/1df48033-82bb-41d1-964c-aba400a0ae7a\/e453ddad-bfe7-4a62-a214-abfb00ee16f4_simulationsetup.jpg?width=690&amp;upscale=false\" alt=\"\"><\/p>\n<p><\/p>\n<p>I have a problem during the calculation. I get a floating point exception error (turbulent viscosity limited to viscosity ratio of 1.000000e+05). I refined my mesh looking at skewness and orthogonal quality and it was really fine. I looked at some other forums and it seems that the k-epsilon model is probably calculating&nbsp;erroneously or my&nbsp;solver\/controls setup is not right for my simulation.<\/p>\n<p><\/p>\n<p>Is there anyone who could help me with this problem? If you need more information I will immediately share it with you.<\/p>\n<p><\/p>\n<p>Thanks,<\/p>\n<p><\/p>\n<p>Sundra<\/p>\n","protected":false},"template":"","class_list":["post-46246","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["18429"],"_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"],"_btv_view_count":["1352"],"_bbp_subscription":["250254"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["46246"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","176084"],"_bbp_voice_count":["2"],"_bbp_reply_count":["13"],"_bbp_last_reply_id":["122234"],"_bbp_last_active_id":["122234"],"_bbp_last_active_time":["2020-07-23 10:56:59"]},"test":"sundra"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/46246","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\/46246\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=46246"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}