{"id":169697,"date":"2023-05-15T08:32:39","date_gmt":"2023-05-15T08:32:39","guid":{"rendered":"\/knowledge\/forums\/topic\/what-is-the-effect-of-different-discretization-schemes-for-flow-and-adjoint-solver-in-ansys-fluent\/"},"modified":"2023-07-31T12:28:49","modified_gmt":"2023-07-31T12:28:49","slug":"what-is-the-effect-of-different-discretization-schemes-for-flow-and-adjoint-solver-in-ansys-fluent","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/what-is-the-effect-of-different-discretization-schemes-for-flow-and-adjoint-solver-in-ansys-fluent\/","title":{"rendered":"What is the effect of different discretization schemes for flow and adjoint solver in ANSYS Fluent?"},"content":{"rendered":"<p>It is possible to use different discretization schemes for the flow and the adjoint solvers in ANSYS Fluent. This is often recommended to have a higher accuracy for the flow solver and better stability for the adjoint solver. Having different discretization schemes can have some adverse effect on the calculation of the value of the observable (see also solution 2058309) but it offers a great advantage with respect to stability. The attached document shows examples that you can better judge the influence of using different schemes for flow and adjoint solvers.  <\/p>\n<p>Attachments:<br \/>\n1. <a href=https:\/\/ansys13.ansys.com\/KnowledgeArticles\/Phase-2B\/2059054\/2059054.pdf>2059054.pdf<\/a><\/p>\n","protected":false},"template":"","class_list":["post-169697","topic","type-topic","status-publish","hentry","topic-tag-2019-r1","topic-tag-adjoint-solvers","topic-tag-fluent","topic-tag-fluent-flow-optimization","topic-tag-fluid-dynamics","topic-tag-optimization"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"It is possible to use different discretization schemes for the flow and the adjoint solvers in ANSYS Fluent. This is often recommended to have a higher accuracy for the flow solver and better stability for the adjoint solver. Having different discretization schemes can have some adverse effect on the calculation of the value of the\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/what-is-the-effect-of-different-discretization-schemes-for-flow-and-adjoint-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=\"What is the effect of different discretization schemes for flow and adjoint solver in ANSYS Fluent? | Ansys Knowledge\" \/>\n\t\t<meta property=\"og:description\" content=\"It is possible to use different discretization schemes for the flow and the adjoint solvers in ANSYS Fluent. This is often recommended to have a higher accuracy for the flow solver and better stability for the adjoint solver. Having different discretization schemes can have some adverse effect on the calculation of the value of the\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/what-is-the-effect-of-different-discretization-schemes-for-flow-and-adjoint-solver-in-ansys-fluent\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-05-15T08:32:39+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-07-31T12:28:49+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"What is the effect of different discretization schemes for flow and adjoint solver in ANSYS Fluent? | Ansys Knowledge\" \/>\n\t\t<meta name=\"twitter:description\" content=\"It is possible to use different discretization schemes for the flow and the adjoint solvers in ANSYS Fluent. This is often recommended to have a higher accuracy for the flow solver and better stability for the adjoint solver. Having different discretization schemes can have some adverse effect on the calculation of the value of the\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/what-is-the-effect-of-different-discretization-schemes-for-flow-and-adjoint-solver-in-ansys-fluent\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"position\":2,\"name\":\"Topics\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/fluent\\\/#listItem\",\"name\":\"fluent\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/fluent\\\/#listItem\",\"position\":3,\"name\":\"fluent\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/fluent\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/what-is-the-effect-of-different-discretization-schemes-for-flow-and-adjoint-solver-in-ansys-fluent\\\/#listItem\",\"name\":\"What is the effect of different discretization schemes for flow and adjoint solver in ANSYS Fluent?\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/what-is-the-effect-of-different-discretization-schemes-for-flow-and-adjoint-solver-in-ansys-fluent\\\/#listItem\",\"position\":4,\"name\":\"What is the effect of different discretization schemes for flow and adjoint solver in ANSYS Fluent?\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/fluent\\\/#listItem\",\"name\":\"fluent\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/#organization\",\"name\":\"Ansys Knowledge\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/what-is-the-effect-of-different-discretization-schemes-for-flow-and-adjoint-solver-in-ansys-fluent\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/what-is-the-effect-of-different-discretization-schemes-for-flow-and-adjoint-solver-in-ansys-fluent\\\/\",\"name\":\"What is the effect of different discretization schemes for flow and adjoint solver in ANSYS Fluent? | Ansys Knowledge\",\"description\":\"It is possible to use different discretization schemes for the flow and the adjoint solvers in ANSYS Fluent. 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