{"id":396071,"date":"2024-12-03T12:35:42","date_gmt":"2024-12-03T12:35:42","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/udf-compiling-issue-in-ansys-fluent-2\/"},"modified":"2024-12-03T12:35:42","modified_gmt":"2024-12-03T12:35:42","slug":"udf-compiling-issue-in-ansys-fluent-2","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/udf-compiling-issue-in-ansys-fluent-2\/","title":{"rendered":"UDF Compiling issue in ANSYS Fluent"},"content":{"rendered":"

<p>Hello everyone,<br><br>I’m a french intern in National Technical University of Athens and I’m currently trying to compile a UDF file (2DGaussian.c) in order to create a moving heat source in ANSYS Fluent but the following error message appears :<br><br>Setting Post Processing and Surfaces information … Done.<br>Copy “C:\\Users\\joshu\\Desktop\\UDF Test\\2DGaussian.c” to “libudf\\src”<br><br>Creating user_nt.udf file for 3ddp_host …<br><br>Copyright 1987-2024 ANSYS, Inc. All Rights Reserved.<br>Compiler and linker: Clang (builtin)<br><br>scons: warning: No version of Visual Studio compiler found – C\/C++ compilers most likely not set correctly<br>File “C:\\Users\\joshu\\Desktop\\Test_avec_fluent_files\\dp0\\FFF\\Fluent\\libudf\\win64\\3ddp_host\\SConstruct”, line 20, in<br>Compiler path: “C:\\PROGRA~1\\ANSYSI~1\\ANSYSS~1\\v242\\fluent”\\ntbin\\clang\\bin\\clang-cl<br>Linker path: “C:\\PROGRA~1\\ANSYSI~1\\ANSYSS~1\\v242\\fluent”\\ntbin\\clang\\bin\\lld-link<br><br>scons: warning: No version of Visual Studio compiler found – C\/C++ compilers most likely not set correctly<br>File “C:\\Users\\joshu\\Desktop\\Test_avec_fluent_files\\dp0\\FFF\\Fluent\\libudf\\win64\\3ddp_host\\SConstruct”, line 156, in<br>C sources: [‘2DGaussian.c’]<br>lld-link: error: undefined symbol: ??w<br>>>> referenced by 2DGaussian.obj:(gauss2D_heat_flux)<br>scons: *** [libudf.dll] Error 1<br>Creating user_nt.udf file for 3ddp_node …<br><br>Copyright 1987-2024 ANSYS, Inc. All Rights Reserved.<br>Compiler and linker: Clang (builtin)<br><br>scons: warning: No version of Visual Studio compiler found – C\/C++ compilers most likely not set correctly<br>File “C:\\Users\\joshu\\Desktop\\Test_avec_fluent_files\\dp0\\FFF\\Fluent\\libudf\\win64\\3ddp_node\\SConstruct”, line 20, in<br>Compiler path: “C:\\PROGRA~1\\ANSYSI~1\\ANSYSS~1\\v242\\fluent”\\ntbin\\clang\\bin\\clang-cl<br>Linker path: “C:\\PROGRA~1\\ANSYSI~1\\ANSYSS~1\\v242\\fluent”\\ntbin\\clang\\bin\\lld-link<br><br>scons: warning: No version of Visual Studio compiler found – C\/C++ compilers most likely not set correctly<br>File “C:\\Users\\joshu\\Desktop\\Test_avec_fluent_files\\dp0\\FFF\\Fluent\\libudf\\win64\\3ddp_node\\SConstruct”, line 156, in<br>C sources: [‘2DGaussian.c’]<br>lld-link: error: undefined symbol: ??w<br>>>> referenced by 2DGaussian.obj:(gauss2D_heat_flux)<br>scons: *** [libudf.dll] Error 1<br><br>Done.<br>Copy “C:\\Users\\joshu\\Desktop\\UDF Test\\2DGaussian.c” to “libudf\\src”<br><br>Files udf_names.c and user_nt.udf in 3ddp_host are up-to-date.<br><br>Copyright 1987-2024 ANSYS, Inc. All Rights Reserved.<br>Compiler and linker: Clang (builtin)<br><br>scons: warning: No version of Visual Studio compiler found – C\/C++ compilers most likely not set correctly<br>File “C:\\Users\\joshu\\Desktop\\Test_avec_fluent_files\\dp0\\FFF\\Fluent\\libudf\\win64\\3ddp_host\\SConstruct”, line 20, in<br>Compiler path: “C:\\PROGRA~1\\ANSYSI~1\\ANSYSS~1\\v242\\fluent”\\ntbin\\clang\\bin\\clang-cl<br>Linker path: “C:\\PROGRA~1\\ANSYSI~1\\ANSYSS~1\\v242\\fluent”\\ntbin\\clang\\bin\\lld-link<br><br>scons: warning: No version of Visual Studio compiler found – C\/C++ compilers most likely not set correctly<br>File “C:\\Users\\joshu\\Desktop\\Test_avec_fluent_files\\dp0\\FFF\\Fluent\\libudf\\win64\\3ddp_host\\SConstruct”, line 156, in<br>C sources: [‘2DGaussian.c’]<br>lld-link: error: undefined symbol: ??w<br>>>> referenced by 2DGaussian.obj:(gauss2D_heat_flux)<br>scons: *** [libudf.dll] Error 1<br>Files udf_names.c and user_nt.udf in 3ddp_node are up-to-date.<br><br>Copyright 1987-2024 ANSYS, Inc. All Rights Reserved.<br>Compiler and linker: Clang (builtin)<br><br>scons: warning: No version of Visual Studio compiler found – C\/C++ compilers most likely not set correctly<br>File “C:\\Users\\joshu\\Desktop\\Test_avec_fluent_files\\dp0\\FFF\\Fluent\\libudf\\win64\\3ddp_node\\SConstruct”, line 20, in<br>Compiler path: “C:\\PROGRA~1\\ANSYSI~1\\ANSYSS~1\\v242\\fluent”\\ntbin\\clang\\bin\\clang-cl<br>Linker path: “C:\\PROGRA~1\\ANSYSI~1\\ANSYSS~1\\v242\\fluent”\\ntbin\\clang\\bin\\lld-link<br><br>scons: warning: No version of Visual Studio compiler found – C\/C++ compilers most likely not set correctly<br>File “C:\\Users\\joshu\\Desktop\\Test_avec_fluent_files\\dp0\\FFF\\Fluent\\libudf\\win64\\3ddp_node\\SConstruct”, line 156, in<br>C sources: [‘2DGaussian.c’]<br>lld-link: error: undefined symbol: ??w<br>>>> referenced by 2DGaussian.obj:(gauss2D_heat_flux)<br>scons: *** [libudf.dll] Error 1<br><br>Done.<br><br>Could anyone help me with this problem please?<\/p><\/p>\n","protected":false},"template":"","class_list":["post-396071","topic","type-topic","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t