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-   -   Wind Tunnel kEpsilon Boundary Conditions (http://www.cfd-online.com/Forums/openfoam-solving/103768-wind-tunnel-kepsilon-boundary-conditions.html)

iamed18 June 26, 2012 09:20

Wind Tunnel kEpsilon Boundary Conditions
 
I'm looking to model a wind tunnel in which the sides are all freestream velocities with freestreamPressure boundary conditions. However, when using the models from the CFD-Online wiki
Code:

http://www.cfd-online.com/Wiki/Standard_k-epsilon_model
something goes awry and my results make no physical sense (speeds on the order of Mach 1.45, for one).

My setup is:
freestream velocity of 10m/s in the \hat{y}-direction
vehicle situated 0.5m above "ground" on the x=0 wall (extending to x=1), and 7m long in direction of wind

Geometry:
6mx25mx7m

Can someone assist me with choosing boundary conditions for the vehicle, freestream sides, and ground?


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