2020R1打不开的原因是由于之前在2019R2里用了udf,所以您在2020R1版的WB下启动Fluent后,会报如下错误:
Error at host: The UDF library you are trying to load (libudf) is compiled for FLUENT 19.4.0
and is not compatible with FLUENT 20.1.0
解决办法是请在Fluent启动窗口把环境变量设置为:C:\Program Files\ANSYS Inc\v201\fluent\ntbin\win64\udf.bat。如下图所示。