{"id":171313,"date":"2023-06-05T07:06:07","date_gmt":"2023-06-05T07:06:07","guid":{"rendered":"\/knowledge\/forums\/topic\/how-can-i-use-the-selective-amg-solver-in-ansys-fluent\/"},"modified":"2023-07-31T12:30:19","modified_gmt":"2023-07-31T12:30:19","slug":"how-can-i-use-the-selective-amg-solver-in-ansys-fluent","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-can-i-use-the-selective-amg-solver-in-ansys-fluent\/","title":{"rendered":"How can I use the selective AMG solver in ANSYS Fluent?"},"content":{"rendered":"<p>Starting with Fluent 18.2, the serial version of Fluent is replaced by a parallel version that uses one compute node. Therefore, the selective solver is no longer available. Instead, the aggregative AMG (AAMG) solver is used instead which was also the default setting in earlier versions. You can start the old serial version with the startup option \u201c-t0\u201d. This will be dropped in a future version. See also Fluent 18.2 migration manual, chapter \u201cUpdates affecting code behaviour\u201d.<\/p>\n","protected":false},"template":"","class_list":["post-171313","topic","type-topic","status-publish","hentry","topic-tag-18-2","topic-tag-fluent","topic-tag-fluid-dynamics","topic-tag-general","topic-tag-general-fluent"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Starting with Fluent 18.2, the serial version of Fluent is replaced by a parallel version that uses one compute node. Therefore, the selective solver is no longer available. Instead, the aggregative AMG (AAMG) solver is used instead which was also the default setting in earlier versions. You can start the old serial version with the\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-can-i-use-the-selective-amg-solver-in-ansys-fluent\/\" \/>\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 Knowledge | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"How can I use the selective AMG solver in ANSYS Fluent? | Ansys Knowledge\" \/>\n\t\t<meta property=\"og:description\" content=\"Starting with Fluent 18.2, the serial version of Fluent is replaced by a parallel version that uses one compute node. Therefore, the selective solver is no longer available. 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