{"id":164724,"date":"2023-03-17T08:58:30","date_gmt":"2023-03-17T08:58:30","guid":{"rendered":"\/knowledge\/forums\/topic\/why-am-i-getting-the-polyflow-error-number-of-constraints-exceeded\/"},"modified":"2023-07-31T12:26:08","modified_gmt":"2023-07-31T12:26:08","slug":"why-am-i-getting-the-polyflow-error-number-of-constraints-exceeded","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/why-am-i-getting-the-polyflow-error-number-of-constraints-exceeded\/","title":{"rendered":"Why am I getting the POLYFLOW error &#8220;Number of constraints exceeded !&#8221;?"},"content":{"rendered":"<p>When running a large simulation case or a case that involves a lot of constraints (boundary conditions), POLYFLOW may be aborted before the first iteration with the error message &#8220;Number of constraints exceeded!&#8221;  In most cases, this can be circumvented by entering (or modifying) an option in the .p3rc file.  If running in POLYMAN, select the simulation and click on Tools > Options > Polyflow. In the box that appears, under \u00e2\u20ac\u0153Modify .p3rc configuration file\u00e2\u20ac\u009d, add  MCONTR 30   and run the simulation  If running in Workbench environment, right click on Solution cell and click on Preferences > Polyflow. In the box that appears, under \u00e2\u20ac\u0153Modify .p3rc configuration file\u00e2\u20ac\u009d, add  MCONTR 30  and run the simulation  If running simulations in standalone mode, then create a .p3rc file containing MCONTR 30 and launch the POLYFLOW calculation with the command  polyflow \u00e2\u20ac\u201cs .p3rc <file.dat> output.lst  The factor &#8217;30&#8217; is indicative and can be increased if the &#8216;Number of constraints exceeded!&#8217; message still appears. Then, run the calculation again.<\/p>\n","protected":false},"template":"","class_list":["post-164724","topic","type-topic","status-publish","hentry","topic-tag-fluid-dynamics","topic-tag-general","topic-tag-other","topic-tag-polyflow"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_wp_page_template":["default"],"_bbp_last_active_time":["3-15-2023  20:20:48"],"_bbp_forum_id":["27796"],"_bbp_author_ip":["23.56.168.180"],"_btv_view_count":["492"],"siebel_km_number":["700"],"product_version":["Other"],"km_published_date":["2003-04-11T00:00:00.000Z"],"family":["Fluid Dynamics"],"application_name":["POLYFLOW"]},"test":"articlesansys-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/164724","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\/164724\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/media?parent=164724"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}