{"id":365347,"date":"2024-05-03T08:36:50","date_gmt":"2024-05-03T08:36:50","guid":{"rendered":"\/forum\/forums\/topic\/converge-issue-with-phase-interaction\/"},"modified":"2024-05-03T08:36:50","modified_gmt":"2024-05-03T08:36:50","slug":"converge-issue-with-phase-interaction","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/converge-issue-with-phase-interaction\/","title":{"rendered":"Converge issue with phase interaction"},"content":{"rendered":"<div>Hi, everybody.<br \/>I&#8217;m doing in ansys fluent 2023R2.<br \/>&#8211;&nbsp; Steady-state for 2D model.<\/div>\n<div>&#8211; Multiphase model: Eulerian.<\/div>\n<div>&#8211; Primary phase material: Newtonian.<\/div>\n<div>&#8211; Second phase material: non-Newtonian.<\/div>\n<div>&#8211;&nbsp; Scheme: phase coupled simple<br \/>&#8211;&nbsp; Mesh size: 5e-3mm.<br \/>&#8211;&nbsp; Diameter for secondary phase: 8e-3mm.<br \/>&#8211;&nbsp; Momentum is second-order upwind.<br \/>Boundary condition: rectagular (0.1 mm and 20mm ), velocity inlet is 0.5m\/s. zero presure at outlet<\/p>\n<\/div>\n<div>My model cannot converge when using Schiller-Naumann model for Drag Coefficient and saffman-mei for Lift Coefficient. If Lift Coefficient and Drag Coefficient are constant, then it can converge with the default criteria.<br \/><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/05\/03-05-2024-1714725209-Capture.PNG\" alt=\"\"><\/p>\n<p>I am looking forward help from experts and knowledgeable users<br \/>Thank you so much!!!<\/div>\n","protected":false},"template":"","class_list":["post-365347","topic","type-topic","status-closed","hentry","topic-tag-convergence","topic-tag-fluent-udf-multi-phase","topic-tag-phase-interactions"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hi, everybody.I&#039;m doing in ansys fluent 2023R2.- Steady-state for 2D model.- Multiphase model: Eulerian.- Primary phase material: Newtonian.- Second phase material: non-Newtonian.- Scheme: phase coupled simple- Mesh size: 5e-3mm.- Diameter for secondary phase: 8e-3mm.- Momentum is second-order upwind.Boundary condition: rectagular (0.1 mm and 20mm ), velocity inlet is 0.5m\/s. zero presure at outletMy model cannot\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/converge-issue-with-phase-interaction\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Learning Forum | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Converge issue with phase interaction | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Hi, everybody.I&#039;m doing in ansys fluent 2023R2.- Steady-state for 2D model.- Multiphase model: Eulerian.- Primary phase material: Newtonian.- Second phase material: non-Newtonian.- Scheme: phase coupled simple- Mesh size: 5e-3mm.- Diameter for 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