How can I match to the viscous force by UDF? I need to sum pressur force and viscous force. The command to obtain the pressur force is F_P(), what's the command to obtain the viscous force? Otherwise,are there any other way to obtain it?
I solve my own problem with
Wall_Shear_Force_X = F_STORAGE_R_N3V(f,f_thread,SV_WALL_SHEAR);
Wall_Shear_Force_Y = F_STORAGE_R_N3V(f,f_thread,SV_WALL_SHEAR);
( I find these funcions on the web; they are NOT on UDF manual!!!! )
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