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Forum: CFX

October 23, 2013, 13:49

Replies: 7

External Vehicle Aerodynamics

Views: 3,074

Posted By Torque_Converter

I have been monitoring Cd, and you are right,...

I have been monitoring Cd, and you are right, despite the lack of convergence it is very precisely and consistently oscillating about 0.405+/-0.015. I don't have a converged transient analysis to...

Forum: CFX

October 23, 2013, 07:19

Replies: 7

External Vehicle Aerodynamics

Views: 3,074

Posted By Torque_Converter

Is a sign of transience when a steady state...

Is a sign of transience when a steady state solution has residual oscillation that is independent of time step size? I believe noticing that as a clue that I needed to switch. As opposed to time...

Forum: CFX

October 22, 2013, 19:25

Replies: 7

External Vehicle Aerodynamics

Views: 3,074

Posted By Torque_Converter

Thanks for the response. The tires are not truly...

Thanks for the response. The tires are not truly tangential close up, but I may flatten them a bit more to help out a bit the RMS residuals of the system as a whole.

And I think you are right...

Forum: CFX

October 22, 2013, 13:36

Replies: 7

External Vehicle Aerodynamics

Views: 3,074

Posted By Torque_Converter

External Vehicle Aerodynamics

Hi All,

This is a relatively new field for me coming from internal rotating machinery.

To get myself started I did the Ahmed body and had no problem getting convergence and good results.
...

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