{"id":171104,"date":"2023-06-05T07:05:41","date_gmt":"2023-06-05T07:05:41","guid":{"rendered":"\/knowledge\/forums\/topic\/what-are-the-differences-between-expressions-and-variables-for-what-purpose-should-they-be-used\/"},"modified":"2023-07-31T12:30:03","modified_gmt":"2023-07-31T12:30:03","slug":"what-are-the-differences-between-expressions-and-variables-for-what-purpose-should-they-be-used","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/what-are-the-differences-between-expressions-and-variables-for-what-purpose-should-they-be-used\/","title":{"rendered":"What are the differences between expressions and variables? For what purpose should they be used?"},"content":{"rendered":"<p>Expressions can be used to get alphanumerical values of e. g. a variable at a location like a surface or volume.  Equations can be used to define a variable directly but it is preferred to define first an expression and define the variable with this expression.<\/p>\n","protected":false},"template":"","class_list":["post-171104","topic","type-topic","status-publish","hentry","topic-tag-4422","topic-tag-cfd-post","topic-tag-fluid-dynamics","topic-tag-general"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_wp_page_template":["default"],"_bbp_last_active_time":["2\/6\/2023 20:20"],"_bbp_forum_id":["27796"],"_bbp_author_ip":["209.182.204.162"],"_btv_view_count":["1003"],"siebel_km_number":["2048809"],"product_version":["18"],"km_published_date":["2017-03-21T00:00:00.000Z"],"family":["Fluid Dynamics"],"application_name":["CFD-Post"],"_edit_lock":["1704985039:2"]},"test":"articlesansys-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/171104","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":0,"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/171104\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/media?parent=171104"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}