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Zero streamwise gradient at outlet

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October 14, 2009, 19:33	Zero streamwise gradient at outlet	#1
san.pirate New Member Santhosh Join Date: Oct 2009 Posts: 14 Rep Power: 17	Hi, How do we specify the Neumann boundary conditions or Zero streamwise gradient at the outlet in a pipe in CFX-pre. There are options only for Static Pressure, Avg. Static Pressure, Velocity components, Mass flow rate and Normal speed. I need to specify derivative of all the variables to zero, I couldn't find clear help from ANSYS. I am wondering whether I need to specify any additional variable? If so, how is that done. Thanks Santhosh

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boundary condition, cfx-pre, neumann, outlet, zero flux

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