{"id":425063,"date":"2025-03-11T02:53:07","date_gmt":"2025-03-11T02:53:07","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/error-in-udf-3\/"},"modified":"2025-03-11T02:53:07","modified_gmt":"2025-03-11T02:53:07","slug":"error-in-udf-3","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/error-in-udf-3\/","title":{"rendered":"Error in UDF"},"content":{"rendered":"<p>&lt;p&gt;Hi,&lt;\/p&gt;&lt;p&gt;I am working on an E-E multiphase model to simulate heat transfer between the phases. I am using the following UDF to apply a temperature-dependent density profile of the secondary phase.&lt;\/p&gt;&lt;p&gt;#include &#8220;udf.h&#8221; #include &#8220;math.h&#8221; DEFINE_PROPERTY(cell_density,c,t) { real g_density; real temp; \/* density of secondary phase *\/ Thread *phase_thread = THREAD_SUB_THREAD(t, 1); temp = C_T(c, phase_thread); if (temp &gt; 273.0) g_density = 522.478 * pow(temp, -1.014); else g_density = 1.63; return g_density; }&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;While compiling, no error displays; however, while initialising the solution, getting the following error. Not sure where is the problem. Any suggestions will be great.&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;==============================================================================&lt;\/p&gt;&lt;p&gt;Node 4: Process 45008: Received signal SIGSEGV.&lt;\/p&gt;&lt;p&gt;==============================================================================&lt;\/p&gt;&lt;p&gt;==============================================================================&lt;\/p&gt;&lt;p&gt;Node 5: Process 47176: Received signal SIGSEGV.&lt;\/p&gt;&lt;p&gt;==============================================================================&lt;\/p&gt;&lt;p&gt;==============================================================================&lt;\/p&gt;&lt;p&gt;Node 0: Process 44496: Received signal SIGSEGV.&lt;\/p&gt;&lt;p&gt;==============================================================================&lt;\/p&gt;&lt;p&gt;==============================================================================&lt;\/p&gt;&lt;p&gt;Node 3: Process 5776: Received signal SIGSEGV.&lt;\/p&gt;&lt;p&gt;==============================================================================&lt;\/p&gt;&lt;p&gt;==============================================================================&lt;\/p&gt;&lt;p&gt;Node 2: Process 48580: Received signal SIGSEGV.&lt;\/p&gt;&lt;p&gt;==============================================================================&lt;\/p&gt;&lt;p&gt;==============================================================================&lt;\/p&gt;&lt;p&gt;Node 1: Process 53732: Received signal SIGSEGV.&lt;\/p&gt;&lt;p&gt;==============================================================================&lt;\/p&gt;&lt;p&gt;999999: mpt_accept: error: accept failed: No such file or directory&lt;\/p&gt;&lt;p&gt;999999: mpt_accept: error: accept failed: No such file or directory&lt;\/p&gt;&lt;p&gt;999999: mpt_accept: error: accept failed: No such file or directory&lt;\/p&gt;&lt;p&gt;999999: mpt_accept: error: accept failed: No such file or directory&lt;\/p&gt;&lt;p&gt;999999: mpt_accept: error: accept failed: No such file or directory&lt;\/p&gt;&lt;p&gt;999999: mpt_accept: error: accept failed: No such file or directory&lt;\/p&gt;&lt;p&gt;999999: mpt_accept: error: accept failed: No such file or directory&lt;\/p&gt;&lt;p&gt;999999: mpt_accept: error: accept failed: No such file or directory&lt;\/p&gt;&lt;p&gt;999999: mpt_accept: error: accept failed: No such file or directory&lt;\/p&gt;&lt;p&gt;===================================================================================&lt;br&gt;= &nbsp; BAD TERMINATION OF ONE OF YOUR APPLICATION PROCESSES&lt;br&gt;= &nbsp; RANK 0 PID 44496 RUNNING AT CNA309-6LJDRZ2&lt;br&gt;= &nbsp; EXIT STATUS: -1 (ffffffff)&lt;br&gt;===================================================================================&lt;\/p&gt;&lt;p&gt;===================================================================================&lt;br&gt;= &nbsp; BAD TERMINATION OF ONE OF YOUR APPLICATION PROCESSES&lt;br&gt;= &nbsp; RANK 4 PID 45008 RUNNING AT CNA309-6LJDRZ2&lt;br&gt;= &nbsp; EXIT STATUS: -1 (ffffffff)&lt;br&gt;===================================================================================&lt;\/p&gt;&lt;p&gt;===================================================================================&lt;br&gt;= &nbsp; BAD TERMINATION OF ONE OF YOUR APPLICATION PROCESSES&lt;br&gt;= &nbsp; RANK 5 PID 47176 RUNNING AT CNA309-6LJDRZ2&lt;br&gt;= &nbsp; EXIT STATUS: -1 (ffffffff)&lt;br&gt;===================================================================================&lt;br&gt;&nbsp;The fl process could not be started.&lt;\/p&gt;&lt;p&gt;Error: Invalid result name.&lt;br&gt;Error Object: ()&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-425063","topic","type-topic","status-publish","hentry","topic-tag-cfd-udf-fleunt","topic-tag-fluent-udf-multi-phase","topic-tag-udferror"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27792"],"_bbp_topic_id":["425063"],"_bbp_subscription":["174262","199"],"_bbp_author_ip":["134.148.191.122"],"_bbp_last_reply_id":["425142"],"_bbp_last_active_id":["425142"],"_bbp_last_active_time":["2025-03-11 12:04:35"],"_bbp_reply_count":["6"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["2"],"_bbp_engagement":["174262","199"],"_btv_view_count":["194"],"_bbp_topic_status":["unanswered"],"_edit_lock":["1741661621:174262"]},"test":"mathru"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/425063","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/425063\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=425063"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}