{"id":50557,"date":"2020-12-11T13:24:29","date_gmt":"2020-12-11T13:24:29","guid":{"rendered":"\/forum\/forums\/topic\/errors-when-trying-to-compile-udf-in-fluent\/"},"modified":"2020-12-11T13:24:29","modified_gmt":"2020-12-11T13:24:29","slug":"errors-when-trying-to-compile-udf-in-fluent","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/errors-when-trying-to-compile-udf-in-fluent\/","title":{"rendered":"Errors when trying to compile UDF in Fluent"},"content":{"rendered":"

Hi all, wondering if you could help me with something,nI’m getting two different errors when trying to load the libudf library and compile my UDF in ANSYS. See below for the errors I get.nI’m running ANSYS student.nThings I’ve tried:nI’ve added it to the path as specified here:\u00a0https:\/\/www.cfd-online.com\/Forums\/blogs\/trollreign\/2036-getting-ansys-14-fluent-windows-8-1-vs2013-compile-udfs.html<\/a> and also tried all the other solutions on that pagenI’ve started Fluent through VS2017’s common tools command prompt as specified here \/forum\/discussion\/13927\/compiling-udf<\/a>, gives the same errorsnI’ve tried a few different UDFs, some simple example ones from online and the ones I’ve written, to the same errorsnI’ve completed remade the whole project with new geometry and a new mesh and re-opened it in FluentnI’m trying to get this\u00a0https:\/\/www.ansys.com\/blog\/dragonfly-flapping-ansys<\/a>\u00a0model to work. If anyone could help me it’d be appreciated!nnThe first error when trying to compile\/build the libudf:nCopied \\Program Files\\ANSYS Inc\\ANSYS Student\\Project Files\\Dragonfly 2\\dragonfly_2_files\\dp0\\FFF\\Fluent\/\\Program Files\\ANSYS Inc\\ANSYS Student\\Project Files\\Dragonfly 2\\dragonfly_2_files\\dp0\\FFF\\Fluent\\inlet.c to libudf\\srcnCreating user_nt.udf file for 3ddp_host …n(system copy \\Program Files\\ANSYS Inc\\ANSYS Student\\v202\\fluent\\fluent20.2.0\\src\\udf\\makefile_nt.udf libudf\\win64\\3ddp_host\\makefile )n1 file(s) copied.n(chdir libudf)(chdir win64\\3ddp_host)’nmake’ is not recognized as an internal or external command,noperable program or batch file.nCreating user_nt.udf file for 3ddp_node …n(system copy \\Program Files\\ANSYS Inc\\ANSYS Student\\v202\\fluent\\fluent20.2.0\\src\\udf\\makefile_nt.udf libudf\\win64\\3ddp_node\\makefile )n1 file(s) copied.n(chdir libudf)(chdir win64\\3ddp_node)’nmake’ is not recognized as an internal or external command,noperable program or batch file.nnDone.nCopied \\Program Files\\ANSYS Inc\\ANSYS Student\\Project Files\\Dragonfly 2\\dragonfly_2_files\\dp0\\FFF\\Fluent\/\\Program Files\\ANSYS Inc\\ANSYS Student\\Project Files\\Dragonfly 2\\dragonfly_2_files\\dp0\\FFF\\Fluent\\inlet.c to libudf\\srcn(system copy \\Program Files\\ANSYS Inc\\ANSYS Student\\v202\\fluent\\fluent20.2.0\\src\\udf\\sconstruct.udf libudf\\win64\\3ddp_host\\SConstruct )n1 file(s) copied.n(system copy \\Program Files\\ANSYS Inc\\ANSYS Student\\v202\\fluent\\fluent20.2.0\\src\\udf\\scons_test.bat libudf\\win64\\3ddp_host\\scons_test.bat )n1 file(s) copied.n(chdir libudf)(chdir win64\\3ddp_host)nD:\\Program Files\\ANSYS Inc\\ANSYS Student\\Project Files\\Dragonfly 2\\dragonfly_2_files\\dp0\\FFF\\Fluent\\libudf\\win64\\3ddp_host>set PYTHONHOME=\\Program Files\\ANSYS Inc\\ANSYS Student\\v202\\fluent\/..\/commonfiles\/CPython\/3_7\/winx64\/Release\/pythoD:\\Program Files\\ANSYS Inc\\ANSYS Student\\Project Files\\Dragonfly 2\\dragonfly_2_files\\dp0\\FFF\\Fluent\\libudf\\win64\\3ddp_host>set PYTHONPATH=\\Program Files\\ANSYS Inc\\ANSYS Student\\v202\\fluent\/..\/commonfiles\/CPython\/3_7\/winx64\/Release\/pythoD:\\Program Files\\ANSYS Inc\\ANSYS Student\\Project Files\\Dragonfly 2\\dragonfly_2_files\\dp0\\FFF\\Fluent\\libudf\\win64\\3ddp_host>\\Program Files\\ANSYS Inc\\ANSYS Student\\v202\\fluent\/..\/commonfiles\/CPython\/3_7\/winx64\/Release\/python\/sconsn’\\Program’ is not recognized as an internal or external command,noperable program or batch file.n(system copy \\Program Files\\ANSYS Inc\\ANSYS Student\\v202\\fluent\\fluent20.2.0\\src\\udf\\sconstruct.udf libudf\\win64\\3ddp_node\\SConstruct )n1 file(s) copied.n(system copy \\Program Files\\ANSYS Inc\\ANSYS Student\\v202\\fluent\\fluent20.2.0\\src\\udf\\scons_test.bat libudf\\win64\\3ddp_node\\scons_test.bat )n1 file(s) copied.n(chdir libudf)(chdir win64\\3ddp_node)nD:\\Program Files\\ANSYS Inc\\ANSYS Student\\Project Files\\Dragonfly 2\\dragonfly_2_files\\dp0\\FFF\\Fluent\\libudf\\win64\\3ddp_node>set PYTHONHOME=\\Program Files\\ANSYS Inc\\ANSYS Student\\v202\\fluent\/..\/commonfiles\/CPython\/3_7\/winx64\/Release\/pythoD:\\Program Files\\ANSYS Inc\\ANSYS Student\\Project Files\\Dragonfly 2\\dragonfly_2_files\\dp0\\FFF\\Fluent\\libudf\\win64\\3ddp_node>set PYTHONPATH=\\Program Files\\ANSYS Inc\\ANSYS Student\\v202\\fluent\/..\/commonfiles\/CPython\/3_7\/winx64\/Release\/pythoD:\\Program Files\\ANSYS Inc\\ANSYS Student\\Project Files\\Dragonfly 2\\dragonfly_2_files\\dp0\\FFF\\Fluent\\libudf\\win64\\3ddp_node>\\Program Files\\ANSYS Inc\\ANSYS Student\\v202\\fluent\/..\/commonfiles\/CPython\/3_7\/winx64\/Release\/python\/sconsn’\\Program’ is not recognized as an internal or external command,noperable program or batch file.nnDone.nnAnd then another when I click load:nnError: The UDF library you are trying to load (libudf) is not compiled for parallel use on the current platform (win64).The system cannot find the file specified.nD:\\Program Files\\ANSYS Inc\\ANSYS Student\\Project Files\\Dragonfly 2\\dragonfly_2_files\\dp0\\FFF\\Fluent\\libudf\\win64\\3ddp_host\\libudf.dllnError Object: #fn<\/p>\n","protected":false},"template":"","class_list":["post-50557","topic","type-topic","status-closed","hentry","topic-tag-fluent","topic-tag-libudf","topic-tag-student","topic-tag-udf","topic-tag-udf-fluent"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["22809"],"_bbp_old_topic_author_name_id":["Anonymous"],"_bbp_old_is_topic_anonymous_id":["false"],"_bbp_old_closed_status_id":["publish"],"_bbp_author_ip":[" 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