Have you properly created the mesh groups in Salome? Look in youtube, there are several tutorials of preprocessing in Salome and how to create groups asociated to the geometry.
Have you tried using PrePoMax?
Hi jbr,
I haven’t tried using PrePoMax because I’m a freshman in these software about CAE. I just learnt from videos on youtube. Are you good at PrePoMax or any other software to generate mesh for calculix ?
Best regard
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Sorry for late, SergioP. I don’t know whether I have properly created the mesh groups in Salome. I upload the screenshot. The top and bottom of cylinder are outlet and inlet. Surface of cylinder is interface. Could you find the problem in my setup?
Looks ok, but the best way to see the mesh groups in Salome, is using the Mesh module, there you can select and show each group and they will be displayed in the graphic area, you could even change the color individually for the better vieweing. In the upper left side will appear a nice color reference with the group’s name.
I’ve solved that problem. I didn’t create groups of nodes in mesh generation, which is the main reason that there is no data about NSET, NSET=Ninlet in .inp file. After I added groups of nodes, I could write the data into the files inlet.nam and outlet.nam. Thanks for your patience to help me.
@COCO , PrePoMax is great for newbies and there are sufficient videos on YouTube PrePoMax search.. Give it a try 
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