{"id":161951,"date":"2023-01-25T07:28:15","date_gmt":"2023-01-25T07:28:15","guid":{"rendered":"\/knowledge\/forums\/topic\/when-running-in-smp-using-fluent-18-2-double-precision-does-not-happen-in-single-precision-and-ibmmpi-default-you-might-encounter-one-of-the-following-issues-errors-the-fluent-application-fail\/"},"modified":"2023-07-31T12:36:10","modified_gmt":"2023-07-31T12:36:10","slug":"when-running-in-smp-using-fluent-18-2-double-precision-does-not-happen-in-single-precision-and-ibmmpi-default-you-might-encounter-one-of-the-following-issues-errors-the-fluent-application-fail","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/when-running-in-smp-using-fluent-18-2-double-precision-does-not-happen-in-single-precision-and-ibmmpi-default-you-might-encounter-one-of-the-following-issues-errors-the-fluent-application-fail\/","title":{"rendered":"When running in SMP using Fluent 18.2, Double Precision (does not happen in Single Precision)  and IBMMPI (default) you might encounter one of the following issues\/errors  &#8220;The FLUENT application failed to validate the connection.&#8221;  &#8220;mpirun.exe has stop working&#8221;  &#8220;MPI application rank 0 exited before MPI_Finalize () with status&#8230;&#8221;  Fluent 18.2 hangs"},"content":{"rendered":"<p>Resolution:  Use Intel MPI  OR  Share the ANSYS Inc directory located by default at C:Program FilesANSYS Inc  Right Click on the ANSYS Inc directory, Go to Properties, Sharing (TAB), Click &#8220;Advanced Sharing&#8221;  Select &#8220;Share this Folder&#8221;, then Advanced  Change the permission to Full Control  Apply, OK  Back to the Sharing folder copy the network Path to ANSYS Inc  Paste the network path in the Fluent_Root Path adding v182fluent  So your root path would look like this not a local path  \\computer_nameAnsys Incv182fluent<\/p>\n","protected":false},"template":"","class_list":["post-161951","topic","type-topic","status-publish","hentry","topic-tag-18-2","topic-tag-double-precision","topic-tag-fluent","topic-tag-fluent-sys","topic-tag-hpc-parallel","topic-tag-ibm-mpi","topic-tag-installation-licensing-systems","topic-tag-n-a"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Resolution: Use Intel MPI OR Share the ANSYS Inc directory located by default at C:Program FilesANSYS Inc Right Click on the ANSYS Inc directory, Go to Properties, Sharing (TAB), Click &quot;Advanced Sharing&quot; Select &quot;Share this Folder&quot;, then Advanced Change the permission to Full Control Apply, OK Back to the Sharing folder copy the network Path\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" 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19:32:17","updated":"2026-07-29 06:39:12","ai":null,"breadcrumb_settings":null,"seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/knowledge\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/knowledge\/topics\/\" title=\"Topics\">Topics<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/fluent\/\" title=\"fluent\">fluent<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tWhen running in SMP using Fluent 18.2, Double Precision (does not happen in Single Precision)  and IBMMPI (default) you might encounter one of the 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