{"id":182478,"date":"2024-05-27T14:18:17","date_gmt":"2024-05-27T14:18:17","guid":{"rendered":"\/knowledge\/?post_type=topic&#038;p=182478"},"modified":"2024-05-27T14:20:31","modified_gmt":"2024-05-27T14:20:31","slug":"fluid-flow-turbulence-modeling-in-discovery","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/fluid-flow-turbulence-modeling-in-discovery\/","title":{"rendered":"Fluid Flow Turbulence Modeling in Discovery"},"content":{"rendered":"<div style=\"display: flex;\"><a class=\"discovery-attachments\" href=\"https:\/\/ansys13.ansys.com\/KnowledgeArticles\/Discovery\/Fluid%20Flow%20Turbulence%20Modeling%20in%20Discovery.pdf\"> <i class=\"fa fa-file-pdf-o\" aria-hidden=\"true\"> <\/i> Turbulence Model Options\u00a0<\/a><\/div>\n<p>A vast majority of industrial flows are turbulent. While conditions at boundaries may be steady, shear action near walls and other velocity profiles lead to time-dependent pressure and velocity fluctuations transported by and affecting the mean path of the fluid. These &#8220;turbulent&#8221; fluctuations span a wide range of length and timescales. As a result, computational demands for exact solutions of industrial turbulent flows far exceed available computing resources.<\/p>\n<p>In\u00a0<span class=\"keyword\">Discovery<\/span>, the k-omega SST turbulence model is appropriate for most cases and is the default for both time-dependent and steady-state simulations. Additional turbulence models are available and can be modified based on your simulation requirements. Refer the attached document to learn more about them.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-182479 aligncenter\" src=\"\/knowledge\/wp-content\/uploads\/sites\/4\/2024\/05\/Turbulence-models-300x256.png\" alt=\"\" width=\"300\" height=\"256\" srcset=\"https:\/\/innovationspace.ansys.com\/knowledge\/wp-content\/uploads\/sites\/4\/2024\/05\/Turbulence-models-300x256.png 300w, https:\/\/innovationspace.ansys.com\/knowledge\/wp-content\/uploads\/sites\/4\/2024\/05\/Turbulence-models-24x21.png 24w, https:\/\/innovationspace.ansys.com\/knowledge\/wp-content\/uploads\/sites\/4\/2024\/05\/Turbulence-models-36x31.png 36w, https:\/\/innovationspace.ansys.com\/knowledge\/wp-content\/uploads\/sites\/4\/2024\/05\/Turbulence-models-48x41.png 48w, https:\/\/innovationspace.ansys.com\/knowledge\/wp-content\/uploads\/sites\/4\/2024\/05\/Turbulence-models.png 351w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n","protected":false},"template":"","class_list":["post-182478","topic","type-topic","status-publish","hentry","topic-tag-additional-fluid-flow-options","topic-tag-ansys-discovery","topic-tag-discovery-explore","topic-tag-discovery-refine","topic-tag-k-omega-sst","topic-tag-k-omega-standard","topic-tag-k-omega-model","topic-tag-laminar","topic-tag-livegx","topic-tag-modeling-method","topic-tag-pressure","topic-tag-shear","topic-tag-spalart-allmaras-and-smagorinsky-les","topic-tag-steady-state","topic-tag-time-dependent","topic-tag-turbulence-models","topic-tag-turbulent","topic-tag-velocity"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_edit_lock":["1716819554:77045"],"_edit_last":["77045"],"filter_by_optics_product":["Lumerical"],"_filter_by_optics_product":["field_64fb192ba3121"],"application_name":[""],"_application_name":["field_64a80903c8e15"],"family":[""],"_family":["field_64a809229a857"],"siebel_km_number":[""],"_siebel_km_number":["field_63ecbffce60db"],"salesforce_km_number":[""],"_salesforce_km_number":["field_63ecc018e60dc"],"km_published_date":[""],"_km_published_date":["field_64c77704499dd"],"product_version":[""],"_product_version":["field_64c776cb4fd2e"],"_bbp_forum_id":["159543"],"_bbp_topic_id":["182478"],"_bbp_author_ip":["184.24.96.172"],"_bbp_last_reply_id":["0"],"_bbp_last_active_id":["182480"],"_bbp_last_active_time":["2024-05-27 14:18:17"],"_bbp_reply_count":["0"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["0"],"_yoast_wpseo_content_score":["90"],"_yoast_wpseo_estimated-reading-time-minutes":["1"],"_btv_view_count":["3102"],"_bbp_likes_count":["1"]},"test":"solution"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/182478","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":2,"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/182478\/revisions"}],"predecessor-version":[{"id":182481,"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/182478\/revisions\/182481"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/media?parent=182478"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}