[katiyon]

i fixed walls in my simulation in no-slip condition but when i plot velocity vectors it put a velocity near the wall, how can i fixed it with zero speed? az you can see below

[bg2k6]

Try setting the veocity variables to "hybrid."

See
CFX- Post User's Guide/ANSYS CFX-Post Workspace/Variables Workspace

[katiyon]

what is showed in picture above is in hybrid setting, but as you can see its not zero in wall