{"id":171034,"date":"2023-06-05T07:05:33","date_gmt":"2023-06-05T07:05:33","guid":{"rendered":"\/knowledge\/forums\/topic\/how-to-start-cfx-solver-with-large-csv-file-1-gbyte-or-big-mesh\/"},"modified":"2023-07-31T12:29:54","modified_gmt":"2023-07-31T12:29:54","slug":"how-to-start-cfx-solver-with-large-csv-file-1-gbyte-or-big-mesh","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-start-cfx-solver-with-large-csv-file-1-gbyte-or-big-mesh\/","title":{"rendered":"How to start CFX-Solver with large csv file (> 1 GByte) or big mesh?"},"content":{"rendered":"

By using very large mesh, or profile data, the CFX solver may fails with the following error message, during memory allocation. +——————————————————————–+ | ERROR #333100180 has occurred in subroutine Out_MemPar. | | Message: | | | | The total number of words requested by partition 1 | | for the Character stack is : 2149735936 | | That exceeds the maximum of : 2147483648 | | supported by the flow solver. Please reduce the memory usage. | +——————————————————————–+ By default, the workspace allocation is limited by using 32-bits Integers. But big problems may need 64-bits as shown in the above error message. To increase to 64-bits, a “Large Problem” option can be used: – interactively in CFX-Solver, by selecting Large Problem option in the Run Definition tab, or in the Advanced Controls tabs (Partitioner, Solver, Interpolator) – by the running command cfx5solve with the option”-large” (or -part-large, -solver-large, -interp-large)<\/p>\n","protected":false},"template":"","class_list":["post-171034","topic","type-topic","status-publish","hentry","topic-tag-4422","topic-tag-cfx","topic-tag-cfx-error","topic-tag-fluid-dynamics","topic-tag-general-cfx","topic-tag-large-mesh","topic-tag-large-problem","topic-tag-memory-allocation","topic-tag-profile-data"],"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":["969"],"siebel_km_number":["2048291"],"product_version":["18"],"km_published_date":["2017-02-13T00:00:00.000Z"],"family":["Fluid Dynamics"],"application_name":["CFX"],"_edit_lock":["1704984862:2"]},"test":"articlesansys-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/171034","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\/171034\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/media?parent=171034"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}