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Forum: OpenFOAM Running, Solving & CFD

April 26, 2012, 06:03

Replies: 12

Finding Lift/Drag/Moment Coefficients on 3D model aircraft

Views: 5,301

Posted By lovecraft22

Yes, I thought of that actually… You are right,...

Yes, I thought of that actually… You are right, we are saying the same thing, that's why I said:

and to summarize they will change if you change your flow direction.

Forum: OpenFOAM Running, Solving & CFD

April 26, 2012, 04:56

Replies: 12

Finding Lift/Drag/Moment Coefficients on 3D model aircraft

Views: 5,301

Posted By lovecraft22

Actually the lift is defined as the aerodynamic...

Actually the lift is defined as the aerodynamic force acting perpendicular to the flow direction and the drag is the force that has the same direction as the flow. So, if you rotate your plane around...

Forum: OpenFOAM Running, Solving & CFD

April 25, 2012, 18:02

Replies: 12

Finding Lift/Drag/Moment Coefficients on 3D model aircraft

Views: 5,301

Posted By lovecraft22

You can use whatever you want. For instance you...

You can use whatever you want. For instance you could you your medium aerodynamic chord times your span (c in you figure) but it won't make any different… You can use half of it or you can use 1, the...

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